Multiservice Applications Commands:
A Through CA

This chapter explains the function and syntax of the Multiservice Applications commands from A through CA. For more information about defaults and usage guidelines, see the corresponding chapter of the Cisco IOS Multiservice Applications Command Reference, Release 12.1.

acc-qos

To generate an SNMP event if the quality of service for a dial peer drops below a specified level, use the acc-qos command in dial-peer configuration mode. To restore the default value, use the no form of this command.

acc-qos {best-effort | controlled-load | guaranteed-delay}

no acc-qos

Syntax Description

best-effort

Indicates that Resource Reservation Protocol (RSVP) makes no bandwidth reservation. This is the default.

controlled-load

Indicates that RSVP guarantees a single level of preferential service, presumed to correlate to a delay boundary. The controlled load service uses admission (or capacity) control to ensure that preferential service is received even when the bandwidth is overloaded.

guaranteed-delay

Indicates that RSVP reserves bandwidth and guarantees a minimum bit rate and preferential queuing if the bandwidth reserved is not exceeded.

best-effort	Indicates that Resource Reservation Protocol (RSVP) makes no bandwidth reservation. This is the default.
controlled-load	Indicates that RSVP guarantees a single level of preferential service, presumed to correlate to a delay boundary. The controlled load service uses admission (or capacity) control to ensure that preferential service is received even when the bandwidth is overloaded.
guaranteed-delay	Indicates that RSVP reserves bandwidth and guarantees a minimum bit rate and preferential queuing if the bandwidth reserved is not exceeded.

alias static

To create a static entry in the local alias table, use the alias static command in gatekeeper configuration mode. To remove a static entry, use the no form of this command.

alias static ip-signalling-addr [port] gkid gatekeeper-name [ras ip-ras-addr port] [terminal | mcu | gateway {h320 | h323-proxy | voip}] [e164 e164-address] [h323id h323-id]

no alias static ip-signalling-addr [port] gkid gatekeeper-name [ras ip-ras-addr port] [terminal | mcu | gateway {h320 | h323-proxy | voip}] [e164 e164-address] [h323id h323-id]

Syntax Description

ip-signalling-addr

IP address of the H.323 node, used as the address to signal when establishing a call.

[port]

(Optional) Port number other than the endpoint Call Signalling well-known port number (1720).

gkid gatekeeper-name

Name of the local gatekeeper whose zone this node is a member of.

ras ip-ras-addr

(Optional) Node RAS signalling address. If omitted, the ip-signalling-addr parameter is used in conjunction with the RAS well-known port.

port

(Optional) Port number other than the RAS well-known port number (1719).

terminal

(Optional) Indicates that the alias refers to a terminal.

mcu

(Optional) Indicates that the alias refers to an MCU.

gateway

(Optional) Indicates that the alias refers to a gateway.

h320

(Optional) Indicates that the alias refers to an H.320 node.

h323-proxy

(Optional) Indicates that the alias refers to an H.323 proxy.

voip

(Optional) Indicates that the alias refers to VoIP.

e164 e164-address

(Optional) Specifies the node E.164 address. This keyword and argument can be used more than once to specify as many E.164 addresses as needed. Note that there is a maximum number of 128 characters that can be entered for this address. To avoid exceeding this limit, you can enter multiple alias static commands with the same call signalling address and different aliases.

h323id h323-id

(Optional) Specifies the node H.323 alias. This keyword and argument can be used more than once to specify as many H.323 ID aliases as needed. Note that there is a maximum number of 256 characters that can be entered for this address. To avoid exceeding this limit, you can enter multiple alias static commands with the same call signalling address and different aliases.

ip-signalling-addr	IP address of the H.323 node, used as the address to signal when establishing a call.
[port]	(Optional) Port number other than the endpoint Call Signalling well-known port number (1720).
gkid gatekeeper-name	Name of the local gatekeeper whose zone this node is a member of.
ras ip-ras-addr	(Optional) Node RAS signalling address. If omitted, the ip-signalling-addr parameter is used in conjunction with the RAS well-known port.
port	(Optional) Port number other than the RAS well-known port number (1719).
terminal	(Optional) Indicates that the alias refers to a terminal.
mcu	(Optional) Indicates that the alias refers to an MCU.
gateway	(Optional) Indicates that the alias refers to a gateway.
h320	(Optional) Indicates that the alias refers to an H.320 node.
h323-proxy	(Optional) Indicates that the alias refers to an H.323 proxy.
voip	(Optional) Indicates that the alias refers to VoIP.
e164 e164-address	(Optional) Specifies the node E.164 address. This keyword and argument can be used more than once to specify as many E.164 addresses as needed. Note that there is a maximum number of 128 characters that can be entered for this address. To avoid exceeding this limit, you can enter multiple alias static commands with the same call signalling address and different aliases.
h323id h323-id	(Optional) Specifies the node H.323 alias. This keyword and argument can be used more than once to specify as many H.323 ID aliases as needed. Note that there is a maximum number of 256 characters that can be entered for this address. To avoid exceeding this limit, you can enter multiple alias static commands with the same call signalling address and different aliases.

alt-dial

To configure an alternate dial-out string for dial peers on the Cisco MC3810, use the alt-dial command in dial-peer configuration mode. To delete the alternate dial-out string, use the no form of this command.

alt-dial string

no alt-dial string

Syntax Description

string

The alternate dial-out string.

string	The alternate dial-out string.

answer-address

To specify the full E.164 telephone number to be used to identify the dial peer of an incoming call, use the answer-address command in dial-peer configuration mode. To disable the configured telephone number, use the no form of this command.

answer-address [+]string[T]

no answer-address

Syntax Description

+

(Optional) Character indicating an E.164 standard number.

string

Series of digits that specify the E.164 or private dialing plan telephone number. Valid entries are:

Digits 0 through 9, letters A through D, pound sign (#), and asterisk (*), which represent specific digits that can be entered.

Comma (,), which inserts a pause between digits.

Period (.), which matches any entered digit.

T

(Optional) Control character indicating that the answer-address value is a variable length dial-string.

+	(Optional) Character indicating an E.164 standard number.
string	Series of digits that specify the E.164 or private dialing plan telephone number. Valid entries are: Digits 0 through 9, letters A through D, pound sign (#), and asterisk (*), which represent specific digits that can be entered. Comma (,), which inserts a pause between digits. Period (.), which matches any entered digit.
T	(Optional) Control character indicating that the answer-address value is a variable length dial-string.

application

To associate a specific interactive voice response (IVR) application with a POTS dial peer, use the application command in dial-peer configuration mode. To discontinue this association, use the no form of this command.

application name

no application name

Syntax Description

name

Indicates the name of the predefined IVR application. Incoming calls using this POTS dial peer will be handed off to this application.

name	Indicates the name of the predefined IVR application. Incoming calls using this POTS dial peer will be handed off to this application.

arq reject-unknown-prefix

To enable the gatekeeper to reject Admission Requests (ARQs) for zone prefixes that are not configured, use the arq reject-unknown-prefix command in gatekeeper configuration mode. To reenable the gatekeeper to accept and process all incoming ARQs, use the no form of this command.

arq reject-unknown-prefix

no arq reject-unknown-prefix

Syntax Description

This command has no arguments or keywords.

atm compression

To specify the software compression mode on the Cisco MC3810, use the atm compression command in interface configuration mode. To remove the compression mode setting, use the no form of this command.

atm compression {per-packet | per-interface | per-vc}

no atm compression {per-packet | per-interface | per-vc}

Syntax Description

per-packet

Specifies packet-by-packet compression mode (no history). This is the default.

per-interface

Specifies one context per interface (with history).

per-vc

Specifies one context for every virtual circuit (with history).

per-packet	Specifies packet-by-packet compression mode (no history). This is the default.
per-interface	Specifies one context per interface (with history).
per-vc	Specifies one context for every virtual circuit (with history).

atm scramble-enable

To enable scrambling on E1 links, use the atm scramble-enable command in interface configuration mode. To disable scrambling, use the no form of this command.

atm scramble-enable

no atm scramble-enable

Syntax Description

This command has no arguments or keywords.

atm video aesa

To set the unique ATM end-station address (AESA) for an ATM video interface that is using switched virtual circuit (SVC) mode, use the atm video aesa command in ATM interface configuration mode. To remove any configured address for the interface, use the no form of this command.

atm video aesa [default | esi-address]

no atm video aesa

Syntax Description

default

(Optional) Automatically creates an NSAP address for the interface, based on a prefix from the ATM switch (26 hexadecimal characters), the MAC address (12 hexadecimal characters) as the ESI (end station identifier), and a selector byte (two hexadecimal characters).

esi-address

(Optional) Defines the 12 hexadecimal characters used as the end-station identifier (ESI). The ATM switch provides the prefix (26 hexadecimal characters), and the video selector byte provides the remaining two hexadecimal characters.

default	(Optional) Automatically creates an NSAP address for the interface, based on a prefix from the ATM switch (26 hexadecimal characters), the MAC address (12 hexadecimal characters) as the ESI (end station identifier), and a selector byte (two hexadecimal characters).
esi-address	(Optional) Defines the 12 hexadecimal characters used as the end-station identifier (ESI). The ATM switch provides the prefix (26 hexadecimal characters), and the video selector byte provides the remaining two hexadecimal characters.

audio-prompt load

To initiate loading the selected audio file (.au) (the file that contains the announcement prompt for the caller) from Flash memory into RAM, use the audio-prompt load command in privileged EXEC mode.

audio-prompt load name

Syntax Description

name

Indicates the location of the audio file that you want to be loaded from memory, Flash memory, or an FTP server. Presently, with Cisco IOS Release 11.3(6)NA2, the URL pointer refers to the directory where Flash memory is stored.

name	Indicates the location of the audio file that you want to be loaded from memory, Flash memory, or an FTP server. Presently, with Cisco IOS Release 11.3(6)NA2, the URL pointer refers to the directory where Flash memory is stored.

auto-cut-through

To enable the Cisco MC3810 to complete a call when a PBX does not provide an M-lead response, use the auto-cut-through command in voice-port configuration mode. To disable the auto-cut-through operation, use the no form of this command.

auto-cut-through

no auto-cut-through

Syntax Description

This command has no arguments or keywords.

busyout forced

To force the voice port into busyout state, use the busyout forced command in voice-port configuration mode. To remove the voice port from busyout state, use the no form of this command.

busyout forced

no busyout forced

Syntax Description

This command has no arguments or keywords.

busyout-monitor interface

To place a voice port into busyout monitor state, enter the busyout-monitor interface command in voice-port configuration mode. To remove the busyout monitor state on the voice port, use the no form of this command.

busyout-monitor interface interface number

no busyout-monitor interface interface number

Syntax Description

interface

The name of the associated interface or subinterface that will be monitored to trigger a voice-port busyout, for example serial, atm, or ethernet.

number

The slot and port position of the interface or subinterface, for example, 0/1, 1/1.0, and so on.

interface	The name of the associated interface or subinterface that will be monitored to trigger a voice-port busyout, for example serial, atm, or ethernet.
number	The slot and port position of the interface or subinterface, for example, 0/1, 1/1.0, and so on.

busyout-seize

To change the busyout seize procedure for a voice port, use the busyout-seize command in voice-port configuration mode. To restore the default busyout seize state on the voice port, use the no form of this command.

busyout-seize {ignore | repeat}

no busyout-seize {ignore | repeat}

Syntax Description

ignore

On busyout, leaves the loop open and ignores the incoming signal.

repeat

On busyout, seizes the far end and ignores all incoming signals until the far end release. Remove the seize signal, wait for one second before starting to seize the far end again.

ignore	On busyout, leaves the loop open and ignores the incoming signal.
repeat	On busyout, seizes the far end and ignores all incoming signals until the far end release. Remove the seize signal, wait for one second before starting to seize the far end again.

cable arp

To activate cable Address Resolution Protocol (ARP), use the cable arp command in cable interface configuration mode. To disable cable ARP, use the no form of this command.

cable arp

no cable arp

Syntax Description

This command has no arguments or keywords.

cable channel-change

To move a cable modem from its current upstream channel to another upstream channel, use the cable channel-change command in cable interface configuration mode. To disable this feature, use the no form of this command.

cable channel-change sid channel

no cable channel-change sid channel

Syntax Description

sid

Service identifier (SID) of the cable modem. Valid values are from 1 to 8191.

channel

User-defined or user-selected. Valid values are from 0 to 6 depending on which cable modem line card is installed in the Cisco uBR7200 series.

sid	Service identifier (SID) of the cable modem. Valid values are from 1 to 8191.
channel	User-defined or user-selected. Valid values are from 0 to 6 depending on which cable modem line card is installed in the Cisco uBR7200 series.

cable dhcp-giaddr

To modify the GIADDR field of DHCPDISCOVER and DHCPREQUEST packets with a Relay IP address before they are forwarded to the DHCP server, use the cable dhcp-giaddr command in cable interface configuration mode. To set the GIADDR field to its default, use the no form of this command.

cable dhcp-giaddr [policy | primary]

no cable dhcp-giaddr

Syntax Description

policy

(Optional) Selects the control policy, so the primary address is used for cable modems and the secondary addresses are used for hosts.

primary

(Optional) Always selects the primary address to be used for giaddr.

policy	(Optional) Selects the control policy, so the primary address is used for cable modems and the secondary addresses are used for hosts.
primary	(Optional) Always selects the primary address to be used for giaddr.

cable downstream annex

To set the MPEG framing format for a downstream port on a cable modem card to either Annex A (Europe) or Annex B (North America), use the cable downstream annex command in cable interface configuration mode.

cable downstream annex {A | B}

Syntax Description

A

Annex A. The downstream is compatible with the European MPEG framing format specified in ITU-TJ.83 Annex A. This option is not supported in Cisco IOS Release 12.1.

B

Default. The downstream is compatible with the North American MPEG framing format specified in ITU-TJ.83 Annex B.

A	Annex A. The downstream is compatible with the European MPEG framing format specified in ITU-TJ.83 Annex A. This option is not supported in Cisco IOS Release 12.1.
B	Default. The downstream is compatible with the North American MPEG framing format specified in ITU-TJ.83 Annex B.

cable downstream channel-id

To configure the downstream channel ID, use the cable downstream channel-id command in cable interface configuration mode. To set the downstream channel ID to its default value, use the no form of this command.

cable downstream channel-id id

no cable downstream channel-id

Syntax Description

id

Specifies a downstream channel ID. Valid values are from 1 to 255.

id	Specifies a downstream channel ID. Valid values are from 1 to 255.

cable downstream frequency

To set the fixed center frequency for downstream radio frequency carrier in hertz (Hz), use the cable downstream frequency command in cable interface configuration mode. To set no fixed center frequency, use the no form of this command.

cable downstream frequency down-freq-hz

no cable downstream frequency

Syntax Description

down-freq-hz

The known center frequency of the downstream carrier in Hz. The valid range is 54,000,000 to 1,020,000,000 Hz.

down-freq-hz	The known center frequency of the downstream carrier in Hz. The valid range is 54,000,000 to 1,020,000,000 Hz.

cable downstream if-output

To activate a downstream port on a cable modem card for digital data transmissions over the HFC network, use the cable downstream if-output command in cable interface configuration mode. To disable the 44-MHz intermediate frequency (IF) carrier, use the no form of this command.

cable downstream if-output

no cable downstream if-output

Syntax Description

This command has no arguments or keywords.

cable downstream interleave-depth

To set the downstream interleave depth, use the cable downstream interleave-depth command in cable interface configuration mode. To restore the default setting, use the no form of this command.

cable downstream interleave-depth {8 | 16 | 32 | 64 | 128}

no cable downstream interleave-depth

Syntax Description

8 | 16 | 32 | 64 | 128

Indicates the downstream interleave depth in milliseconds.

8 \| 16 \| 32 \| 64 \| 128	Indicates the downstream interleave depth in milliseconds.

cable downstream modulation

To set the modulation rate for a downstream port on a cable modem card, use the cable downstream modulation command in cable interface configuration mode.

cable downstream modulation {64qam | 256qam}

Syntax Description

64qam

Modulation rate is 6 bits per downstream symbol.

256qam

Modulation rate is 8 bits per downstream symbol.

64qam	Modulation rate is 6 bits per downstream symbol.
256qam	Modulation rate is 8 bits per downstream symbol.

cable downstream rate-limit

To enable DOCSIS rate limiting on downstream traffic, use the cable downstream rate-limit command in cable interface configuration mode. To disable DOCSIS rate limiting on downstream traffic, use the no form of this command.

cable downstream rate-limit [token-bucket [[shaping [granularity msec | max-delay msec]] | weighted-discard] [exp-weight]

no cable downstream rate-limit

Syntax Description

token-bucket

(Optional) Specifies the token bucket filter algorithm.

shaping

(Optional) Enables rate limiting on the downstream port using the token bucket policing algorithm with default traffic shaping parameters.

granularity msec

(Optional) Specifies traffic shaping granularity in milliseconds. Valid values are 1, 2, 4, 8, or 16 milliseconds.

max-delay msec

(Optional) Specifies the maximum traffic shaping buffering delay in milliseconds. Valid values are 128, 256, 512, or 1028 milliseconds.

weighted-discard

(Optional) Specifies the weighted discard algorithm.

exp-weight

(Optional) Specifies the weight for the exponential moving average of loss rate. Valid values are from 1 to 4.

token-bucket	(Optional) Specifies the token bucket filter algorithm.
shaping	(Optional) Enables rate limiting on the downstream port using the token bucket policing algorithm with default traffic shaping parameters.
granularity msec	(Optional) Specifies traffic shaping granularity in milliseconds. Valid values are 1, 2, 4, 8, or 16 milliseconds.
max-delay msec	(Optional) Specifies the maximum traffic shaping buffering delay in milliseconds. Valid values are 128, 256, 512, or 1028 milliseconds.
weighted-discard	(Optional) Specifies the weighted discard algorithm.
exp-weight	(Optional) Specifies the weight for the exponential moving average of loss rate. Valid values are from 1 to 4.

cable flap-list aging

To specify the number of days to keep a cable modem in the flap-list table before aging it out of the table, use the cable flap-list aging command in global configuration mode. To disable this feature, use the no form of this command.

cable flap-list aging number-of-days

no cable flap-list aging

Syntax Description

number-of-days

Specifies how many days of cable modem performance is retained in the flap list. Valid values are from 1 to 60 days.

number-of-days	Specifies how many days of cable modem performance is retained in the flap list. Valid values are from 1 to 60 days.

cable flap-list insertion-time

To set the cable flap-list insertion time interval, use the cable flap-list insertion-time command in global configuration mode. To disable insertion time, use the no form of this command.

cable flap-list insertion-time seconds

no cable flap-list insertion-time

Syntax Description

seconds

Insertion time interval in seconds. Valid values are from 60 to 86400 seconds.

seconds	Insertion time interval in seconds. Valid values are from 60 to 86400 seconds.

cable flap-list power-adjust threshold

To specify the power-adjust threshold for recording a flap-list event, use the cable flap-list power-adjust threshold command in global configuration mode. To disable power-adjust thresholds, use the no form of this command.

cable flap-list power-adjust threshold dBmV

no cable flap-list power-adjust threshold

Syntax Description

dBmV

Specifies the minimum power adjustment in decibels per millivolt that will result in a flap-list event. Valid values are from 1 to 10 dBmV.

dBmV	Specifies the minimum power adjustment in decibels per millivolt that will result in a flap-list event. Valid values are from 1 to 10 dBmV.

cable flap-list size

To specify the maximum number of cable modems that can be listed in the flap-list table, use the cable flap-list size command in global configuration mode. To specify the default flap-list table size, use the no form of this command.

cable flap-list size number

no cable flap-list size

Syntax Description

number

Specifies the maximum number of cable modems that will report flap performance to the flap-list table. Valid values are from 1 to 8192.

number	Specifies the maximum number of cable modems that will report flap performance to the flap-list table. Valid values are from 1 to 8192.

cable helper-address

To specify a destination IP address for User Datagram Protocol (UDP) broadcast (DHCP) packets, use the cable helper-address command in cable interface configuration mode. To disable this feature, use the no form of this command.

cable helper-address IP-address {cable-modem | host}

no cable helper-address IP-address {cable-modem | host}

Syntax Description

IP-address

The IP address of a DHCP server to which UDP broadcast packets will be sent.

cable-modem

Specifies that only cable modem UDP broadcasts are forwarded.

host

Specifies that only host UDP broadcasts are forwarded.

IP-address	The IP address of a DHCP server to which UDP broadcast packets will be sent.
cable-modem	Specifies that only cable modem UDP broadcasts are forwarded.
host	Specifies that only host UDP broadcasts are forwarded.

cable insertion-interval

To limit the amount of time that a cable modem can request an upstream frequency for the first time from the Cisco uBR7200 series, use the cable insertion-interval command in cable interface configuration mode. To configure the automatic setting and ignore any minimum or maximum time settings, use the no form of this command.

cable insertion-interval [automatic] [min | max]

no cable insertion-interval

Syntax Description

automatic

(Optional) Causes the Cisco uBR7200 series MAC scheduler for each upstream cable modem to vary the initial ranging times available to new cable modems joining the network.

min

(Optional) Minimum time in milliseconds that the Cisco uBR7200 series is allowed to specify in MAP messages as the initial ranging time for cable modems. Valid values are from 25 to 200 milliseconds. Default is 50 milliseconds.

max

(Optional) Maximum time in milliseconds that the Cisco uBR7200 series is allowed to specify in MAP messages as the initial ranging time for cable modems. Valid values are from 500 to 2000 milliseconds. Default is 2000 milliseconds (2 seconds).

automatic	(Optional) Causes the Cisco uBR7200 series MAC scheduler for each upstream cable modem to vary the initial ranging times available to new cable modems joining the network.
min	(Optional) Minimum time in milliseconds that the Cisco uBR7200 series is allowed to specify in MAP messages as the initial ranging time for cable modems. Valid values are from 25 to 200 milliseconds. Default is 50 milliseconds.
max	(Optional) Maximum time in milliseconds that the Cisco uBR7200 series is allowed to specify in MAP messages as the initial ranging time for cable modems. Valid values are from 500 to 2000 milliseconds. Default is 2000 milliseconds (2 seconds).

cable ip-multicast-echo

To enable IP multicast echo, use the cable ip-multicast-echo command in cable interface configuration mode. To disable IP multicast echo, use the no form of this command.

cable ip-multicast-echo

no cable ip-multicast-echo

Syntax Description

This command has no arguments or keywords.

cable ip-broadcast-echo

To activate upstream IP broadcast echo so that the Cisco uBR7200 series can echo broadcast packets, use the cable ip-broadcast-echo command in cable interface configuration mode. To disable the upstream IP broadcast echo, use the no form of this command.

cable ip-broadcast-echo

no cable ip-broadcast-echo

Syntax Description

This command has no arguments or keywords.

cable match address

To specify that IP multicast streams be encrypted, use the cable match address command in cable interface configuration mode. Use the no form of this command if you do not want to use encryption.

cable match address access-list

no cable match address

Syntax Description

access-list

Specifies that the IP multicast streams defined by the access list be encrypted. Access lists can be IP access list numbers or an IP access list name. Valid access list numbers are from 100 to 199.

access-list	Specifies that the IP multicast streams defined by the access list be encrypted. Access lists can be IP access list numbers or an IP access list name. Valid access list numbers are from 100 to 199.

cable modem change-frequency

To override the frequency used by a cable modem, use the cable modem change-frequency command in EXEC mode.

cable modem [mac-addr | ip-addr] change-frequency [ds-frequency-hz] [us-channel-id]

Syntax Description

mac-addr | ip-addr

(Optional) Specifies either the MAC address or the IP address of the cable modem whose frequency is to be changed.

ds-frequency-hz

(Optional) Specifies the downstream frequency for the cable modem (in Hertz).

us-channel-id

(Optional) Specifies the upstream channel ID.

cable modem max-hosts

To specify the maximum number of CPE devices (hosts) that can be supported by a specific cable modem, use the cable modem max-hosts command in cable interface configuration mode. To set the number of hosts to 0, use the no form of this command.

cable modem {mac-addr | ip-addr} max-hosts {n | default}

no cable modem {mac-addr | ip-addr} max-hosts

Syntax Description

mac-addr | ip-addr

Specifies either the MAC address or the IP address of the cable modem.

max-hosts {n | default}

Specifies either the maximum number of hosts supported by the cable modem (from 0 to 255), or specifies the default value of 0.

cable modulation-profile

To define the cable modulation profile, use the cable modulation-profile command in global configuration mode. To remove the specified modulation profile, use the no form of this command.

cable modulation-profile profile iuc fec-tbytes fec-len burst-len guard-t mod scrambler seed diff pre-len last-cw uw-len

no cable modulation-profile profile iuc fec-tbytes fec-len burst-len guard-t mod scrambler seed diff pre-len last-cw uw-len

Syntax Description

profile

Modulation profile number.

iuc

Interval usage code. Valid entries are: initial, long, request, short, or station.

fec-tbytes

The number of bytes that can be corrected per FEC code word. Valid values are from 0 to 10, where 0 means no FEC.

fec-len

FEC code word length. Valid values are from 16 to 253.

burst-len

Maximum burst length in minislots. Valid values are from 0 to 255, where 0 means no limit.

guard-t

Guard time in symbols. The time between successive bursts.

mod

Modulation. Valid entries are 16qam and qpsk.

scrambler

Enable or disable scrambler. Valid entries are scrambler and no-scrambler.

seed

Scrambler seed in hexidecimal format. Valid values are from 0x0000 to 0x7FFF.

diff

Enable or disable differential encoding. Valid entries are diff and no-diff.

pre-len

Preamble length in bits. Valid values are from 2 to 128.

last-cw

Handling of FEC for last code word. Valid entries are fixed for fixed code word length and shortened for shortened last code word.

uw-len

Upstream unique word length. Enter uw8 for 8-bit unique words or uw16 for 16-bit unique code words.

cable privacy

To enable privacy in the system, use the cable privacy command in cable interface configuration mode. To disable privacy, use the no form of this command.

cable privacy [mandatory | authenticate-modem | authorize-multicast]

no cable privacy

Syntax Description

mandatory

(Optional) Enforce Baseline Privacy for all modems.

authenticate-modem

(Optional) Use AAA protocols to authenticate all modems during BPI initialization.

authorize-multicast

(Optional) Use AAA protocols to authorize all multicast stream (IGMP) join requests.

cable privacy kek

To set key encryption keys (KEKs) grace-time and life-time values for baseline privacy on an HFC network, use the cable privacy kek command in global configuration mode. To restore the default values, use the no form of this command.

cable privacy kek {grace-time [seconds] | life-time [seconds]}

no cable privacy kek {grace-time | life-time}

Syntax Description

grace-time seconds

(Optional) Length of key encryption grace-time in seconds. Valid range is 300 to 1800 seconds.

life-time seconds

(Optional) Length of the key encryption life-time in seconds.Valid range is 86400 to 6048000.

cable privacy tek

To set traffic encryption keys (TEKs) grace-time and life-time values for baseline privacy on an HFC network, use the cable privacy tek command in global configuration mode. To restore the default value, use the no form of this command.

cable privacy tek {grace-time [seconds] | life-time [seconds]}

no cable privacy {tek grace-time | life-time}

Syntax Description

grace-time seconds

(Optional) Length of traffic encryption grace-time in seconds. Valid range is 300 to 1800 seconds. Default is 600 seconds.

life-time seconds

(Optional) Length of the traffic encryption life-time in seconds.Valid range is 1800 to 6048000. Default is 43200 seconds.

cable proxy-arp

To activate cable proxy Address Resolution Protocol (ARP) on the cable interface, use the cable proxy-arp command in cable interface configuration mode. To disable this feature, use the no form of this command.

cable proxy-arp

no cable proxy-arp

Syntax Description

This command has no arguments or keywords.

cable qos permission

To specify permission for updating the quality of service (QoS) table, use the cable qos permission command in global configuration mode. To remove a previously enabled permission, use the no form of this command.

cable qos permission {create-snmp | modems | update-snmp}

no cable qos permission

Syntax Description

create-snmp

Permits creation of QoS table entries by Simple Network Management Protocol (SNMP).

modems

Permits creation of QoS table entries by modem registration requests.

update-snmp

Permits dynamic update of QoS table entries by SNMP.

cable qos permission enforce

To override the provisioned quality of service (QoS) profile of the cable modem and enforce a specific CMTS-local QoS profile, use the cable qos permission enforce command in global configuration mode. To allow cable modems to use the QoS profile they were configured to use, use the no form of this command.

cable qos permission enforce index

no cable qos permission enforce

Syntax Description

index

Specifies the number of the QoS profile to be enforced on all cable modems connecting to the CMTS. Valid values are from 1 to 255.

cable qos profile

To configure a QoS profile, use the cable qos profile command in global configuration mode. To either set default values for profile group numbers 1 or 2, or to remove the QoS profile if no specific parameters remain, use the no form of this command.

cable qos profile {groupnum | ip-precedence | guaranteed-upstream | max-burst | max-upstream | max-downstream | priority | tos-overwrite | value}

no cable qos profile {groupnum | ip-precedence | guaranteed-upstream | max-burst | max-downstream | priority | tos-overwrite | value}

Syntax Description

groupnum

QoS profile group number. Qos profiles 1 and 2 are required by the system; they are preconfigured and can be modified but cannot be removed. QoS profile 1 is used during registration; QoS profile 2 is the default QoS profile.

ip-precedence

Sets the bits in the ToS byte that enable you to configure individual data rate limits on a per-modem basis. Valid values are from 0 to 7.

guaranteed-upstream

Guaranteed minimum upstream rate in kilobits per second. Valid values are from 0 to 100000 kbps. Default value is 0 (no reserved rate).

max-burst

Maximum upstream transmit burst size in minislots that the modem can send for any single transmit burst. Valid values are from 0 to 255 minislots. Default value is 0 (no limit).

max-upstream

Maximum upstream data rate in kilobits per second that a modem using this QoS profile will receive. Valid values are from 0 to 255 kbps. Default value is 0 (no upstream rate limit).

max-downstream

Maximum downstream data rate in kilobits per second that a modem using this QoS profile will receive. Valid values are from 0 to 255 kbps. Default value is 0 (no downstream rate limit).

priority

Relative priority number assigned to upstream traffic by this QoS profile. Valid values are from 0 to 7, with 7 being the highest priority. Default value is 0.

tos-overwrite

Overwrite the Type of Service (ToS) field in the IP datagrams received on the upstream before forwarding them downstream. This parameter sets the mask bits to a hexadecimal value to help the CMTS identify datagrams for QoS on the backbone.

value

The value substituted for the ToS value.

cable relay-agent-option

To enable the system to insert the cable modem MAC address into a DHCP packet received from a cable modem or host and forward the packet to a DHCP server, use the cable relay-agent-option command in cable interface configuration mode. To disable MAC address insertion, use the no form of this command.

cable relay-agent-option

no cable relay-agent-option

Syntax Description

This command has no keywords or arguments.

cable shared-secret

To configure authentication and data privacy parameters, use the cable shared-secret command in cable interface configuration mode. To disable authentication during the cable modem registration phase, use the no form of this command.

cable shared-secret [0 | 7] authentication-key

no cable shared-secret

Syntax Description

0

(Optional) Specifies that an unencrypted message will follow.

7

(Optional) Specifies that an encrypted message will follow.

authentication-key

Text string is a shared secret string. When you enable the service password-encryption option, the password is stored in encrypted form. The text string is a 64-character authentication key.

cable source-verify

To turn on cable modem upstream verification, use the cable source-verify command in cable interface configuration mode. To disable verification, use the no form of this command.

cable source-verify [dhcp]

no cable source-verify dhcp

Syntax Description

dhcp

(Optional) Specifies that queries will be sent to verify unknown source IP addresses in upstream data packets.

cable spectrum-group

To create a spectrum group, use the cable spectrum-group command in global configuration mode. To disable this spectrum group, use the no form of this command.

cable spectrum-group group-number type {blind | scheduled | daily periodic-sec seconds}

no cable spectrum-group group-number type {blind | scheduled | daily periodic-sec seconds}

Syntax Description

group-number

Spectrum group number. Valid range is from 1 to 32.

blind

Creates a spectrum group that enables the upstream frequency and input power level to change whenever noise impairs upstream data traffic.

scheduled daily

Creates a spectrum group that enables the upstream frequency and power level to change at a set time during the day.

scheduled periodic-sec

Creates a spectrum group that enables the upstream frequency and power level to change at a specified interval in seconds.

seconds

Rate in seconds when upstream frequency and power level change.

cable spectrum-group band

To configure a continuous frequency band setting for a spectrum group, use the cable spectrum-group band command in global configuration mode. To delete the band settings for a spectrum group, use the no form of this command.

cable spectrum-group group-number [time day hh:mm:ss] [delete] band start-freq-hz end-freq-hz [power-level-dbmv]

no cable spectrum-group group-number

Syntax Description

group-number

Spectrum group number. Valid values are from 1 to 32.

time day hh:mm:ss

(Optional) For scheduled spectrum groups, makes the frequency band setting available on the specified day at the specified time in hours (hh), minutes (mm), and seconds (ss).

delete

(Optional) Removes the frequency band setting from use at the specified time.

start-freq-hz

Lower boundary of the frequency band.

end-freq-hz

Upper boundary of the frequency band.

power-level-dbmv

(Optional) Nominal input power level in decibels per millivolt (dBmV). Valid values are from -10 to +10 dBmV. Some cable plants might want to change only the input power level and not frequency on a daily time schedule.

cable spectrum-group frequency

To configure a list of upstream frequencies and nominal power levels that each spectrum group can use when an upstream frequency change is necessary, use the cable spectrum-group frequency command in global configuration mode. To delete a spectrum group list, use the no form of this command.

cable spectrum-group group-number [time day hh:mm:ss] [delete] frequency ctr-freq-hz [power-level-dbmv]

no cable spectrum-group group-number

Syntax Description

group-number

Spectrum group number. Valid range is 1 to 32. Configuring a spectrum group with multiple entries of this type defines a list of frequencies which are available for use as upstream frequencies.

time day hh:mm:ss

(Optional) For scheduled spectrum groups, specifies the day and time of day that the frequency and input power level should change. Valid entries for the day argument are:

Monday: mon

Tuesday: tue

Wednesday: wed

Thursday: thu

Friday: fri

Saturday: sat

Sunday: sun

Valid entries for the hh: argument are 00 to 23.

Valid entries for the mm: argument are 00 to 59.

Valid entries for the ss: argument are 00 to 59.

delete

(Optional) Removes the frequency setting from use at the specified time.

ctr-freq-hz

Upstream frequency in Hz. Valid range is 5,000,000 to 42,000,000 Hz.

power-level-dbmv

(Optional) Nominal input power level. Valid range is -10 to +10 decibels per millivolt (dBmV). Some cable plants might want to change only the input power level and not the frequency on a daily time schedule.

cable spectrum-group hop period

To set the minimum frequency-hop interval, use the cable spectrum-group hop period command in global configuration mode. To delete the frequency hop interval for this spectrum group, use the no form of this command.

cable spectrum-group groupnum hop period seconds

no cable spectrum-group groupnum hop period

Syntax Description

groupnum

Spectrum group number. Valid values are from 1 to 32.

seconds

Specifies the frequency-hop time period in seconds. Valid values are from 1 to 3600 seconds. Default value is 300 seconds.

cable spectrum-group hop threshold

To specify a frequency hop threshold for a spectrum group, use the cable spectrum-group hop threshold command in global configuration mode. To delete the hop threshold for this spectrum group, use the no form of this command.

cable spectrum-group groupnum hop threshold [percent]

no cable spectrum-group groupnum hop threshold

Syntax Description

groupnum

Spectrum group number. Valid values are from 1 to 32.

percent

(Optional) Specifies the frequency hop threshold as a percentage of cable modems going offline. Valid range is from 1 to 100 percent.

cable spectrum-group shared

To specify that the upstream ports in a spectrum group share the same upstream frequency, use the cable spectrum-group shared command in global configuration mode. To delete this specification, use the no form of this command.

cable spectrum-group groupnum shared

no cable spectrum-group groupnum shared

Syntax Description

groupnum

Spectrum group number. Valid values are from 1 to 32.

cable telco-return enable

To enable telephone return support, use the cable telco-return enable command in cable interface configuration mode. To disable telephone return support, use the no form of this command.

cable telco-return enable

no cable telco-return enable

Syntax Description

This command has no arguments or keywords.

cable telco-return interval

To specify the intervals for sending Telephony Channel Descriptor (TCD) enrollment messages and transmitting subscriber information (TSI) messages, use the cable telco-return interval command in cable interface configuration mode. To set the time interval to the default, use the no form of this command.

cable telco-return interval seconds

no cable telco-return interval

Syntax Description

seconds

Specifies the interval in seconds for sending TCD or TSI messages. Valid range is from 2 to 60 seconds. Default value is 2 seconds.

cable telco-return spd dhcp-authenticate

To set the DHCP Authenticate parameter in Telephony Channel Descriptor (TCD) messages to TRUE (1), specifying the DHCP server that must be used, use the cable telco-return spd dhcp-authenticate command in cable interface configuration mode. To set the DHCP Authenticate parameter to the default value and remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number dhcp-authenticate

no cable telco-return spd dhcp-authenticate

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

cable telco-return spd dhcp-server

To specify the IP address of the DHCP Server parameter in TCD messages, use the cable telco-return spd dhcp-server command in cable interface configuration mode. To set the default value and remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number dhcp-server ip address

no cable telco-return spd dhcp-server

Syntax Description

spd number

Specifies the service provider descriptor (SPD) number.

ip address

Specifies the IP address of the DHCP server.

cable telco-return spd dial-timer

To specify the Demand Dial Timer parameter for TCD messages, use the cable telco-return spd dial-timer command in cable interface configuration mode. To set the default value and remove the dial-timer parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number dial-timer seconds

no cable telco-return spd dial-timer

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

seconds

Specifies the Demand Dial Timer parameter for TCD messages in seconds. Valid range is from 0 to 4294967295 seconds.

cable telco-return spd factory-default

To indicate the service provider descriptor (SPD) used by cable modems during the factory default procedure, use the cable telco-return spd factory-default command in cable interface configuration mode. To restore the default, use the no form of this command.

cable telco-return spd number factory-default

no cable telco-return spd

Syntax Description

number

Specifies the SPD number.

cable telco-return spd manual-dial

To specify the Manual Dial parameter in TCD messages, use the cable telco-return spd manual-dial command in cable interface configuration mode. To remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number manual-dial

no cable telco-return spd number manual-dial

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

cable telco-return spd password

To specify the login password parameter in TCD messages, use the cable telco-return spd password command in cable interface configuration mode. To remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number password string

no cable telco-return spd password

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

string

Specifies the login password.

cable telco-return spd phonenum

To specify the Telephone Numbers parameter in TCD messages, use the cable telco-return spd phonenum command in cable interface configuration mode. To delete any or all previously entered telephone numbers, use the no form of this command.

cable telco-return spd number phonenum string

no cable telco-return spd number phonenum

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

string

Specifies the telephone number to be used by the telephone numbers parameter in TCD messages.

cable telco-return spd ppp-authenticate

To specify the PPP Authentication parameter in TCD messages, use the cable telco-return spd ppp-authenticate command in cable interface configuration mode. To remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number ppp-authenticate [both | chap | pap]

no cable telco-return spd ppp-authenticate

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

both

(Optional) Specifies both PAP and CHAP authentication.

chap

(Optional) Specifies CHAP authentication.

pap

(Optional) Specifies PAP authentication.

cable telco-return spd radius-realm

To specify the RADIUS Realm parameter in TCD messages, use the cable telco-return spd radius-realm command in cable interface configuration mode. To remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number radius-realm string

no cable telco-return spd number radius-realm

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

string

Specifies the RADIUS Realm name.

cable telco-return spd service-provider

To specify the Service Provider Name parameter in TCD messages, use the cable telco-return service-provider command in cable interface configuration mode. To remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number service-provider string

no cable telco-return spd number service-provider

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

string

Specifies the service provider name.

cable telco-return spd threshold

To specify the Connection Attempt Threshold parameter for TCD messages, use the cable telco-return spd threshold command for cable interface configuration mode. To set the default threshold number, use the no form of this command.

cable telco-return spd number threshold number

no cable telco-return spd threshold

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

number

Specifies the connection attempt threshold. Valid range is from 1 to 255. Default value is 1.

cable telco-return spd username

To specify the Login Username parameter in TCD messages, use the cable telco-return spd username command in cable interface configuration mode. To remove the parameter from subsequent TCD messages, use the no form of this command.

cable telco-return spd number username string

no cable telco-return spd number username

Syntax Description

number

Specifies the service provider descriptor (SPD) number.

string

Specifies the login username.

cable time-server

To enable the integrated time-of-day (ToD) server on the Cisco uBR7200 series, enter the cable time-server command in global configuration mode. To disable the time-of-day server function, use the no form of this command, or enter the command with the disable keyword.

cable time-server [enable | disable]

no cable time-server

Syntax Description

enable

(Optional) Starts the time-of-day server as a background task.

disable

(Optional) Stops the time-of-day server.

cable upstream admission-control

To specify the percentage of overbooking that will be allowed on the upstream channel, use the cable upstream admission-control command in cable interface configuration mode. To disable upstream admission control, use the no form of this command.

cable upstream usport admission-control percentage

no cable upstream usport admission-control

Syntax Description

usport

Specifies the upstream port.

percentage

Sets the admission control as a percentage of the upstream channel capacity. Valid values are from 10 to 1000 percent.

cable upstream channel-width

To specify an upstream channel width for an upstream port, use the cable upstream channel-width command in cable interface configuration mode. To set the channel width back to the default setting of 1600000 Hz, use the no form of this command.

cable upstream usport channel-width first-choice-width [last-choice-width]

no cable upstream usport channel-width

Syntax Description

usport

Specifies the port number.

first-choice-width

Specifies upstream channel width in hertz (Hz). Valid values are: 200000 (160000 symbols/sec), 400000 (320000 symbols/sec), 800000 (640000 symbols/sec), 1600000 (1280000 symbols/sec), and 3200000 (2560000 symbols/sec).

last-choice-width

(Optional) The upstream channel width in hertz. The valid values are the same as those for the first-choice-width parameter. Use this parameter with the Cisco MC16S cable modem card to enable symbol rate management algorithms. The symbol rate automatically steps up from the first-choice-width value to the highest value until a stable channel is established.

cable upstream data-backoff

To specify automatic or fixed start and stop values for data backoff, use the cable upstream data-backoff command in cable interface configuration mode. To use the default data backoff values, use the no form of this command.

cable upstream usport data-backoff {automatic | start end}

no cable upstream usport data-backoff

Syntax Description

usport

Specifies the upstream port number.

automatic

Specifies automatic data backoff start and stop values.

start

Binary exponential algorithm. Sets the start value for data backoff. Valid values are from 0 to 15.

end

Binary exponential algorithm. Sets the end value for data backoff. Valid values are from 0 to 15.

cable upstream fec

To enable upstream forward error correction (FEC), use the cable upstream fec command in cable interface configuration mode. To disable FEC, use the no form of this command.

cable upstream usport fec

no cable upstream usport fec

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

cable upstream fec-strength

To override the forward error correction (FEC) setting specified in the modulation profile for this upstream channel, use the cable upstream fec-strength command in cable interface configuration mode. To restore the default value, use the no form of this command.

cable upstream usport fec-strength t-bytes

no cable upstream usport fec-strength

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

t-bytes

Overrides the FEC strength specified in the modulation profile for this upstream channel. Valid values are from 0 to 10, where:

0 disables FEC.

1 is the lowest FEC strength.

10 is the highest FEC strength.

cable upstream frequency

To enter a fixed frequency of the upstream radio frequency (RF) carrier for an upstream port, use the cable upstream frequency command in cable interface configuration mode. To restore the default value for this command, use the no form of this command.

cable upstream usport frequency up-freq-hz

no cable upstream usport frequency up-freq-hz

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

up-freq-hz

The upstream center frequency is configured to a fixed value. The valid range is from 5,000,000 to 42,000,000 Hz.

cable upstream freq-adj averaging

To control power adjustments on a Cisco uBR7200 series cable router by setting the frequency threshold, use the cable upstream freq-adj averaging interface configuration command. To disable power adjustments, use the no form of this command.

cable upstream n freq-adj averaging % of frequency adjustment

no cable upstream freq-adj averaging

Syntax Description

n

Specifies the upstream port number.

averaging

Specifies that a percentage of frequency adjustment packets is required to change the adjustment method from the regular power adjustment method to the noise power adjustment method.

% of frequency adjustment

Specifies the percentage of frequency adjustment packets required to switch from the regular power adjustment method to the noise power adjustment method. Valid range is from 10 to 100%.

cable upstream hop algorithm

To configure the frequency hop algorithm for the upstream port, use the cable upstream hop algorithm command in cable interface configuration mode. To configure the optimum algorithm, use the no form of this command.

cable upstream usport hop algorithm {blind | optimum}

no cable upstream usport hop algorithm

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

blind

Selects the blind frequency hop algorithm.

optimum

Selects the optimum hop algorithm.

cable upstream minislot-size

To specify the minislot size (in ticks) for a specific upstream interface, use the cable upstream minislot-size command in cable interface configuration mode. To set the default minislot size of 8 if this is valid for the current channel width setting, use the no form of this command.

cable upstream usport minislot-size size

no cable upstream usport minislot-size

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

size

Specifies the minislot size in time ticks. Valid minislot sizes are: 2 (32 symbols), 4 (64 symbols), 8 (128 symbols), 16 (256 symbols), 32 (512 symbols), 64 (1024 symbols), and 128 (2048 symbols).

cable upstream modulation

To override modulation types specified in the modulation profile for the specified upstream channel, use the cable upstream modulation command in cable interface configuration mode. To disable overriding modulation profiles, use the no form of this command.

cable upstream usport modulation first-choice-mod [last-choice-mod]

no cable upstream usport modulation

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

first-choice-mod

Overrides the modulation type specified in the modulation profile for this channel. Valid values are qpsk or qam16.

last-choice-mod

(Optional) Valid values are qpsk or qam16. Make sure this parameter is different from the first-choice-mod setting or it will be ignored. When used, this parameter enables modulation management algorithms.

cable upstream modulation-profile

To assign a modulation profile to an upstream interface, use the cable upstream modulation-profile command in cable interface configuration mode. To assign modulation profile 1 to the interface, use the no form of this command.

cable upstream usport modulation-profile profile

no cable upstream usport modulation-profile

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

profile

Assigns the modulation profile to the specified interface.

cable upstream power-adjust

To control power adjustment methods on the Cisco uBR7200 series cable routers, use the cable upstream power-adjust command in interface configuration mode. To disable power adjustments, use the no form of this command.

cable upstream n power-adjust [continue] [noise % of power adjustment] [threshold #]

no cable upstream power-adjust

Syntax Description

n

Specifies the upstream port number.

continue

Specifies the regular power adjustment method (minimum power adjustments).

noise

Specifies that a percentage of power adjustment packets is required to change the adjustment method from the regular power adjustment method to the noise power adjustment method.

% of power adjustment

Specifies the percentage of power adjustment packets required to switch from the regular power adjustment method to the noise power adjustment method. Valid range is from 10 to 100%.

threshold #

Specifies the power adjustment threshold. The threshold range is from 0 to 10dB.

cable upstream power-level

To set the input power level for the upstream radio frequency (RF) carrier in decibels per millivolt (dBmV), use the cable upstream power-level command in cable interface configuration mode. To restore the default value for this command, use the no form of this command.

cable upstream usport power-level dbmv

no cable upstream usport power-level dbmv

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

dbmv

Decibels per millivolt designating the upstream signal input power level. Valid range is -10 dBmV to 25 dBmV.

cable upstream range-backoff

To specify automatic or configured initial ranging backoff calculation, use the cable upstream range-backoff command in cable interface configuration mode. To set default values, use the no form of this command.

cable upstream usport range-backoff {automatic | start end}

no cable upstream usport range-backoff

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

automatic

Specifies the fixed data backoff start and end values.

start

Binary exponential algorithm. Sets the start value for initial ranging backoff. Valid values are from 0 to 15.

end

Binary exponential algorithm. Sets the end value for initial ranging backoff. Valid values are from 0 to 15.

cable upstream rate-limit

To set DOCSIS rate limiting for an upstream port on a cable modem card, use the cable upstream rate-limit command in cable interface configuration mode. To disable DOCSIS rate limiting for the upstream port, use the no form of this command.

cable upstream usport rate-limit [token-bucket [shaping]]

no cable upstream usport rate-limit

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

token-bucket

(Optional) Enables rate limiting for the specified upstream cable interface using the token bucket policing algorithm.

shaping

(Optional) Enables rate limiting for the specified upstream cable interface using the token bucket policing algorithm with traffic shaping.

cable upstream scrambler

To enable the cable upstream scrambler, use the cable upstream scrambler command in cable interface configuration mode. To restore the default configuration value for this command, use the no form of this command.

cable upstream usport scrambler

no cable upstream usport scrambler

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

cable upstream shutdown

To disable the upstream port, use the cable upstream shutdown command in cable interface configuration mode. To enable the upstream port, use the no form of this command.

cable upstream usport shutdown

no cable upstream usport shutdown

Syntax Description

usport

Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.

cable-modem compliant bridge

To enable DOCSIS-compliant transparent bridging for a cable access router interface at startup, use the cable-modem compliant bridge command in cable interface configuration command. To disable DOCSIS-compliant bridging for the interface, use the no form of this command.

cable-modem compliant bridge

no cable-modem compliant bridge

Syntax Description

This command has no arguments or keywords.

cable-modem downstream saved channel

To modify the saved downstream channel setting and upstream power value on a cable access router interface, use the cable-modem downstream saved channel command in cable interface configuration mode. To remove the saved settings, which will be resaved at the next initialization cycle, use the no form of this command.

cable-modem downstream saved channel ds-frequency us-power

no cable-modem downstream saved channel ds-frequency us-power

Syntax Description

ds-frequency

Downstream channel frequency in Hz, which can be from 91000000 to 860000000.

us-power

Upstream power level in decibels per millivolt (dBmV), which can be from 8 to 61.

cable-modem fast-search

To enable a faster downstream search algorithm on a cable access router interface, use the cable-modem fast-search command in cable interface configuration mode. To disable the downstream fast-search feature, use the no form of this command.

cable-modem fast-search

no cable-modem fast-search

Syntax Description

There are no keywords or arguments for this command.

cable-modem upstream preamble qpsk

To enable the QPSK modulation scheme in the upstream direction from the cable access router interface to the headend, use the cable-modem upstream preamble qpsk command in cable interface configuration mode. To disable upstream modulation for the interface, use the no form of this command.

cable-modem upstream preamble qpsk

no cable-modem upstream preamble qpsk

Syntax Description

This command has no arguments or keywords.

cable-modem voip best-effort

To allow voice calls to be sent upstream over the cable interface via best effort, use the cable-modem voip best-effort command in cable interface configuration mode. To disable best-effort voice calls, use the no form of this command.

cable-modem voip best-effort

no cable-modem voip best-effort

Syntax Description

This command has no arguments or keywords.

call application voice

To create an application and to indicate the location where the corresponding TCL files that implement this application are located, use the call application voice command in global configuration mode. To remove the defined application and all configured parameters associated with it, use the no form of the command.

call application voice application-name location

no call application voice application-name location

Syntax Description

application-name

Character string that defines the name of the application.

location

The location of the TCL file in URL format. Valid storage locations are TFTP, FTP, and Flash.

call application voice language

To define the language of the audio file for the specified application and to pass that information to the specified application, use the call application voice language command in global configuration mode. To remove the associated language of the audio file from the application, use the no form of this command.

call application voice application-name language number language

no call application voice application-name language number language

Syntax Description

application-name

The name of the application to which the language parameters are being passed.

number

Tag that uniquely identifies an audio file. Valid entries are 0 to 9.

language

Defines the language of the associated audio file. Valid entries are:

en---English

sp---Spanish

ch---Mandarin

aa---all

call application voice load

To reload the selected TCL script from the URL, use the call application voice load command in privileged EXEC mode.

call application voice load name

Syntax Description

name

Defines the TCL application to use for the call.

call application voice pin-len

To define the number of characters in the personal identification number (PIN) for the designated application, use the call application voice pin-len command in global configuration mode. To restore default values for this command, use the no form of this command.

call application voice application-name pin-len number

no call application voice application-name pin-len number

Syntax Description

application-name

The name of the application to which the PIN length parameter is being passed.

number

Defines the number of allowable characters in PINs associated with the specified application. Valid entries are 0 to 10.

call application voice redirect-number

To define the telephone number to which a call will be redirected---for example, the operator telephone number of the service provider---for the designated application, use the call application voice redirect-number command in global configuration mode. To cancel this particular parameter, use the no form of this command.

call application voice application-name redirect-number number

no call application voice application-name redirect-number number

Syntax Description

application-name

The name of the application to which the redirect telephone number parameter is being passed.

number

Defines the designated operator telephone number of the service provider (or any other number designated by the customer). This is the number that calls are terminated to when, for example, debit time allowed has run out or the debit amount is exceeded.

call application voice retry-count

To define the number of times a caller is permitted to reenter the personal identification number (PIN) for the designated application, use the call application voice retry-count command in global configuration mode. To cancel this particular parameter, use the no form of this command.

call application voice application-name retry-count number

no call application voice application-name retry-count number

Syntax Description

application-name

The name of the application to which the number of possible retries is being passed.

number

Defines the number of times the caller is permitted to re-enter PIN digits.Valid entries for this parameter are 1 to 5.

call application voice set-location

To define the location, language, and category of the audio files for the specified application, use the call application voice set-location command in global configuration mode. To cancel this particular parameter, use the no form of this command.

call application voice application-name set-location language category location

no call application voice application-name set-location language category location

Syntax Description

application-name

The name of the application to which the set-location parameters are being passed.

language

Defines the language associated with the audio files. Possible values for this parameter are:

en = English,

ch = Mandarin

sp = Spanish

category

Defines a particular category group. Audio files can be divided into category groups (from 0 to 4). For example, audio files representing the days and months can be category 1, audio files representing units of currency can be category 2, audio files representing units of time: seconds, minutes, and hours can be category 3. Min = 0, Max = 4 (0 means all).

location

Defines the location (audio file URL or directory in the TFTP server) where the audio files are stored.

call application voice uid-len

To define the number of characters in the user identification number (UID) for the designated application, use the call application voice uid-length command in global configuration mode. To restore default values for this command, use the no form of this command.

call application voice application-name uid-len number

no call application voice application-name uid-len number

Syntax Description

application-name

The name of the application to which the UID length parameter is being passed.

number

Defines the number of allowable characters in UIDs associated with the specified application. Valid entries are 1 to 20.

call application voice warning-time

To define the number of seconds a user is warned before the allowed calling time runs out, use the call application voice warning-time command in global configuration mode. To restore default values for this command, use the no form of this command.

call application voice application-name warning-time number

no call application voice application-name warning-time number

Syntax Description

application-name

The name of the application to which the warning time parameter is being passed.

number

Defines the number of seconds the user is warned before the allowed calling time runs out. Valid entries are 10 to 600.

call-waiting

To enable call waiting, use the call-waiting command in interface configuration mode. To disable call waiting, use the no form of this command.

call-waiting

no call-waiting

Syntax Description

This command has no arguments or keywords.

called-number (dial-peer)

To enable an incoming Voice over Frame Relay call leg to get bridged to the correct POTS call leg when a static FRF.11 trunk connection is used, use the called-numbered command in dial-peer configuration mode. To disable a static trunk connection, use the no form of this command.

called-number string

no called-number

Syntax Description

string

A string of digits including wildcards that specifies the telephone number of the voice-port dial peer

cap-list vfc

To add a voice codec overlay file to the capability file list, use the cap-list vfc command in global configuration mode. To disable a particular codec overlay file that has been added to the capability list, use the no form of this command.

cap-list filename vfc slot-number

no cap-list filename vfc slot-number

Syntax Description

filename

Identifies the codec file stored in VFC Flash memory.

slot-number

Identifies the slot where the VFC is installed. Valid values are 0, 1, and 2.

card type

To configure the card type on the port adapter of the Cisco 7200 series router, use the card type command in global configuration mode. Use the no form of this command to restore the default value.

card type {t1 | e1} slot [bay]

no card type

Syntax Description

t1

Specifies T1connectivity of 1.544 Mbps through the telephone-switching network, using AMI or B8ZS coding.

e1

Specifies wide-area digital transmission scheme used predominately in Europe. that carries data at a rate of 2.048 Mbps.

slot

Slot number of the interface.

bay

(Optional) Card interface bay number in a slot (RSP platform only).

mac-addr \| ip-addr	(Optional) Specifies either the MAC address or the IP address of the cable modem whose frequency is to be changed.
ds-frequency-hz	(Optional) Specifies the downstream frequency for the cable modem (in Hertz).
us-channel-id	(Optional) Specifies the upstream channel ID.

mac-addr \| ip-addr	Specifies either the MAC address or the IP address of the cable modem.
max-hosts {n \| default}	Specifies either the maximum number of hosts supported by the cable modem (from 0 to 255), or specifies the default value of 0.

profile	Modulation profile number.
iuc	Interval usage code. Valid entries are: initial, long, request, short, or station.
fec-tbytes	The number of bytes that can be corrected per FEC code word. Valid values are from 0 to 10, where 0 means no FEC.
fec-len	FEC code word length. Valid values are from 16 to 253.
burst-len	Maximum burst length in minislots. Valid values are from 0 to 255, where 0 means no limit.
guard-t	Guard time in symbols. The time between successive bursts.
mod	Modulation. Valid entries are 16qam and qpsk.
scrambler	Enable or disable scrambler. Valid entries are scrambler and no-scrambler.
seed	Scrambler seed in hexidecimal format. Valid values are from 0x0000 to 0x7FFF.
diff	Enable or disable differential encoding. Valid entries are diff and no-diff.
pre-len	Preamble length in bits. Valid values are from 2 to 128.
last-cw	Handling of FEC for last code word. Valid entries are fixed for fixed code word length and shortened for shortened last code word.
uw-len	Upstream unique word length. Enter uw8 for 8-bit unique words or uw16 for 16-bit unique code words.

mandatory	(Optional) Enforce Baseline Privacy for all modems.
authenticate-modem	(Optional) Use AAA protocols to authenticate all modems during BPI initialization.
authorize-multicast	(Optional) Use AAA protocols to authorize all multicast stream (IGMP) join requests.

grace-time seconds	(Optional) Length of key encryption grace-time in seconds. Valid range is 300 to 1800 seconds.
life-time seconds	(Optional) Length of the key encryption life-time in seconds.Valid range is 86400 to 6048000.

grace-time seconds	(Optional) Length of traffic encryption grace-time in seconds. Valid range is 300 to 1800 seconds. Default is 600 seconds.
life-time seconds	(Optional) Length of the traffic encryption life-time in seconds.Valid range is 1800 to 6048000. Default is 43200 seconds.

create-snmp	Permits creation of QoS table entries by Simple Network Management Protocol (SNMP).
modems	Permits creation of QoS table entries by modem registration requests.
update-snmp	Permits dynamic update of QoS table entries by SNMP.

groupnum	QoS profile group number. Qos profiles 1 and 2 are required by the system; they are preconfigured and can be modified but cannot be removed. QoS profile 1 is used during registration; QoS profile 2 is the default QoS profile.
ip-precedence	Sets the bits in the ToS byte that enable you to configure individual data rate limits on a per-modem basis. Valid values are from 0 to 7.
guaranteed-upstream	Guaranteed minimum upstream rate in kilobits per second. Valid values are from 0 to 100000 kbps. Default value is 0 (no reserved rate).
max-burst	Maximum upstream transmit burst size in minislots that the modem can send for any single transmit burst. Valid values are from 0 to 255 minislots. Default value is 0 (no limit).
max-upstream	Maximum upstream data rate in kilobits per second that a modem using this QoS profile will receive. Valid values are from 0 to 255 kbps. Default value is 0 (no upstream rate limit).
max-downstream	Maximum downstream data rate in kilobits per second that a modem using this QoS profile will receive. Valid values are from 0 to 255 kbps. Default value is 0 (no downstream rate limit).
priority	Relative priority number assigned to upstream traffic by this QoS profile. Valid values are from 0 to 7, with 7 being the highest priority. Default value is 0.
tos-overwrite	Overwrite the Type of Service (ToS) field in the IP datagrams received on the upstream before forwarding them downstream. This parameter sets the mask bits to a hexadecimal value to help the CMTS identify datagrams for QoS on the backbone.
value	The value substituted for the ToS value.

0	(Optional) Specifies that an unencrypted message will follow.
7	(Optional) Specifies that an encrypted message will follow.
authentication-key	Text string is a shared secret string. When you enable the service password-encryption option, the password is stored in encrypted form. The text string is a 64-character authentication key.

group-number	Spectrum group number. Valid range is from 1 to 32.
blind	Creates a spectrum group that enables the upstream frequency and input power level to change whenever noise impairs upstream data traffic.
scheduled daily	Creates a spectrum group that enables the upstream frequency and power level to change at a set time during the day.
scheduled periodic-sec	Creates a spectrum group that enables the upstream frequency and power level to change at a specified interval in seconds.
seconds	Rate in seconds when upstream frequency and power level change.

group-number	Spectrum group number. Valid values are from 1 to 32.
time day hh:mm:ss	(Optional) For scheduled spectrum groups, makes the frequency band setting available on the specified day at the specified time in hours (hh), minutes (mm), and seconds (ss).
delete	(Optional) Removes the frequency band setting from use at the specified time.
start-freq-hz	Lower boundary of the frequency band.
end-freq-hz	Upper boundary of the frequency band.
power-level-dbmv	(Optional) Nominal input power level in decibels per millivolt (dBmV). Valid values are from -10 to +10 dBmV. Some cable plants might want to change only the input power level and not frequency on a daily time schedule.

group-number	Spectrum group number. Valid range is 1 to 32. Configuring a spectrum group with multiple entries of this type defines a list of frequencies which are available for use as upstream frequencies.
time day hh:mm:ss	(Optional) For scheduled spectrum groups, specifies the day and time of day that the frequency and input power level should change. Valid entries for the day argument are: Monday: mon Tuesday: tue Wednesday: wed Thursday: thu Friday: fri Saturday: sat Sunday: sun Valid entries for the hh: argument are 00 to 23. Valid entries for the mm: argument are 00 to 59. Valid entries for the ss: argument are 00 to 59.
delete	(Optional) Removes the frequency setting from use at the specified time.
ctr-freq-hz	Upstream frequency in Hz. Valid range is 5,000,000 to 42,000,000 Hz.
power-level-dbmv	(Optional) Nominal input power level. Valid range is -10 to +10 decibels per millivolt (dBmV). Some cable plants might want to change only the input power level and not the frequency on a daily time schedule.

groupnum	Spectrum group number. Valid values are from 1 to 32.
percent	(Optional) Specifies the frequency hop threshold as a percentage of cable modems going offline. Valid range is from 1 to 100 percent.

spd number	Specifies the service provider descriptor (SPD) number.
ip address	Specifies the IP address of the DHCP server.

number	Specifies the service provider descriptor (SPD) number.
both	(Optional) Specifies both PAP and CHAP authentication.
chap	(Optional) Specifies CHAP authentication.
pap	(Optional) Specifies PAP authentication.

enable	(Optional) Starts the time-of-day server as a background task.
disable	(Optional) Stops the time-of-day server.

usport	Specifies the upstream port.
percentage	Sets the admission control as a percentage of the upstream channel capacity. Valid values are from 10 to 1000 percent.

usport	Specifies the port number.
first-choice-width	Specifies upstream channel width in hertz (Hz). Valid values are: 200000 (160000 symbols/sec), 400000 (320000 symbols/sec), 800000 (640000 symbols/sec), 1600000 (1280000 symbols/sec), and 3200000 (2560000 symbols/sec).
last-choice-width	(Optional) The upstream channel width in hertz. The valid values are the same as those for the first-choice-width parameter. Use this parameter with the Cisco MC16S cable modem card to enable symbol rate management algorithms. The symbol rate automatically steps up from the first-choice-width value to the highest value until a stable channel is established.

usport	Specifies the upstream port number.
automatic	Specifies automatic data backoff start and stop values.
start	Binary exponential algorithm. Sets the start value for data backoff. Valid values are from 0 to 15.
end	Binary exponential algorithm. Sets the end value for data backoff. Valid values are from 0 to 15.

usport	Specifies the upstream port number. Valid range is from 0 to 5 if you are using a Cisco MC16 cable modem card.
t-bytes	Overrides the FEC strength specified in the modulation profile for this upstream channel. Valid values are from 0 to 10, where: 0 disables FEC. 1 is the lowest FEC strength. 10 is the highest FEC strength.

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