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This chapter explains the function and syntax of the Cisco IOS dial services commands beginning with C. For more information about defaults and usage guidelines, see the corresponding chapter of the Cisco IOS Dial Services Command Reference, Release 12.1.
To specify the country code for retrieving the call progress tone parameters from the call progress tone database, use the call progress tone country command in configuration mode. Use the no version of this command to cancel the previous setting and to generate the call progress tones according to modem settings.
call progress tone country country-name
Syntax Description
country-name Selects default call progress tones (ring and cadence settings) for the specified country. Valid entries are: argentina, australia, austria, belgium, brazil, canada, china, colombia, cyprus, czech-republic, denmark, finland, france, germany, greece, hongkong, hungary, iceland, india, indonesia, ireland, israel, italy, japan, korea, luxembourg, malaysia, mexico, netherlands, peru, philippines, poland, portugal, russia, singapore, slovakia, slovenia, south-africa, spain, sweden, switzerland, taiwan, thailand, turkey, unitedkingdom, usa, and venezuela.
To force the Cisco IOS software to wait before initiating a callback to a requesting client, use the callback forced-wait command in global configuration mode. Use the no form of this command to disable the forced waiting period.
callback forced-waitSyntax Description
This command has no arguments or keywords.
To assign a called party number to a pool of modems, use the called-number command in modem pool configuration mode. Use the no form of this command to remove a number from a modem pool.
called-number number [max-conn number]
Syntax Description
number Called number for a modem pool. max-conn number (Optional) Maximum number of simultaneous connections allowed for the called party number.
To reject particular types of calls, use the call-type command in call discriminator profile configuration mode, use the no form of this command to disable this feature.
call-type {all | digital | speech | v110 | v120}Syntax Description
all | Rejects all calls. |
digital | Rejects digital calls. |
speech | Rejects speech calls. |
v110 | Rejects V.110 calls. |
v120 | Rejects V.120 calls. |
To statically set the call-type override for incoming channel-associated signalling (CAS) calls, use the call-type cas command in DNIS group configuration mode. Use the no form of this command to disable this service.
call-type cas {digital | speech}
Syntax Description
digital Override call type to digital. The incoming call with the DNIS in the called group is treated as a digital call type. speech Override call-type to speech. The incoming call with the DNIS in the called group is treated as a speech call type.
To customize E1 R2 signalling parameters for a particular E1 channel group on a channelized E1 line, use the cas-custom command in controller configuration mode. Use the no form of this command to disable the signalling customization.
cas-custom channel
Syntax Description
channel Specifies a single channel group number, which can be from 0 to 30. This channel group number must match the channel number specified in the cas-group command.
To configure channel-associated signalling (CAS) on an E1 controller, use the cas-group command in controller configuration mode. Use the no form of this command to disable CAS for one or more time slots.
cas-group channel timeslots range type signal
Syntax Description
channel Specifies a single channel group number. Replace the channel variable with a number between 0 and 30. timeslots range Specifies a time slot range, which can be from 1 to 31. You can specify a time slot range (for example, 1-29), individual time slots separated by commas (for example 1, 3, 5), or a combination of the two (for example 1-14, 15, 17-31). The 16th time slot is reserved for out-of-band signalling. type signal Specifies the type of channel associated signalling. Configure the signal type that your central office uses. For a Cisco 5800 series access servers, replace the signal variable with one of the following signal types: For the Cisco 3600 series access servers, replace the signal variable with one of the following signal types: The following descriptions are provided for the previous R2 syntax bullets: r2-analog---Specifies R2 ITU Q411 analog line signalling, which reflects the on/off switching of a tone in frequency-division multiplexing circuits (before TDM circuits were created). The tone is used for line signalling. r2-digital---Specifies R2 ITU Q421 digital line signalling, which is the most common signalling configuration. The A and B bits are used for line signalling. r2-pulse---Specifies R2 ITU supplement 7 pulse line signalling, which is a transmitted pulse that indicates a change in the line state. dtmf---Specifies the DTMF tone signalling (Cisco 5800 series access server only). r2-compelled [ani]---Specifies R2 compelled register signalling. You can also specify provisioning the ANI address option. r2-non-compelled [ani]---Specifies R2 noncompelled register signalling. r2-semi-compelled [ani]---Specifies R2 semicompelled register signalling.
To configure channelized T1 time slots with robbed-bit signalling, and R1 channel-associated signalling, use the cas-group command in controller configuration mode. Use the no form of this command to disable signalling for one or more time slots.
Cisco AS5200, Cisco AS5300 and Cisco AS5800 series access servers
cas-group channel timeslots range type signal
no cas-group channel timeslots range type signal
R1 channel-associated signalling
cas-group channel timeslots range type r1-modified {ani-dnis | dnis}
no cas-group channel timeslots range type r1-modified {ani-dnis | dnis}
Syntax Description
channel Specifies a single channel group number. Replace the channel variable with a number between 0 and 30. timeslots range Specifies a time slot range, which can be from 1 to 24 for T1, and from 1 to 31 for E1. You can specify a time slot range (for example, 1-31), individual time slots separated by commas (for example 1, 3, 5), or a combination of the two (for example 1-7, 8, 17-31). The 16th time slot is reserved for out-of-band signalling. type signal Specifies a type of robbed-bit signalling. Replace the signal variable with one of the following signal types. The keywords service, data, and voice are used for switched 56K configuration. These keywords are described at the end of this syntax description table.
Syntax Description
channel-number Channel-group number. When configuring a T1 data line, channel-group numbers can be values from 0 to 23. When configuring an E1 data line, channel-group numbers can be values from 0 to 30. timeslots range One or more time slots or ranges of time slots belonging to the channel group. The first time slot is numbered 1. For a T1 controller, the time slot range is from 1 to 24. For an E1 controller, the time slot range is from 1 to 31. speed {48 | 56 | 64} (Optional) The speed of the underlying DS0s. See Usage Guidelines for additional information.
To create a script that will place a call over a modem, use the chat-script command in global configuration mode. Use the no form of this command to disable the specified chat script.
chat-script script-name expect-send
Syntax Description
script-name Name of the chat script. expect-send Pairs of information elements: an item to expect and an item to send in response.
To reset the T1 or E1 controller, use the clear controller EXEC command.
Cisco 7200 series and Cisco 7500 series routers
clear controller {t1 | e1} slot/port
Cisco AS5200 and Cisco AS5300 series routers
clear controller {t1 | e1} number
Syntax Description
t1 Specifies the T1 controller. e1 Specifies the E1 controller. slot/port Backplane slot number and port number on the interface. See your hardware installation manual for the specific slot and port numbers. number Network interface module (NIM) number, in the range 0 through 2.
To reset the counters, use the clear cot summary in privileged EXEC mode command.
clear cot summarySyntax Description
This command has no arguments or keywords.
To clear the counters of a specified asynchronous interface or specified asynchronous interface group, as displayed by the show interface async command, use the clear counters command in EXEC mode.
clear counters {async async-interface-number | group-async group-async-interface-number}
Syntax Description
async Clears the counters in a specified asynchronous interface. async-interface-number Required async interface number of the asynchronous interface that has been previously created with this number specification. The range is from 1 through 49. group-async Clears the counters in a specified asynchronous interface group. group-async-interface-number Required group-async interface number that has been previously created with this number specification. The range is from 0 through 49.
To clear line counters, use the clear counters line command in EXEC mode.
clear counters line {type | number}
Syntax Description
type Type of line you want to clear. Replace the type argument with one of the following: aux, console, tty, or vty. number Specifies the first line number to clear, which can be between 0 and 54.
To clear the values of dialer statistics for one or more serial interfaces or BRIs configured for dial-on-demand routing (DDR), use the clear dialer command in privileged EXEC mode.
clear dialer [interface type number] Cisco 7500 series routers
clear dialer [interface serial slot/port]
Syntax Description
interface (Optional) Indicates that one interface will be specified. type (Optional) Interface type, either async, serial, or bri. number (Optional) Interface number. slot/port (Optional) Backplane slot number and port number on the interface. See your hardware installation manual for the specific slot and port numbers.
To reset the counter statistics associated with a specific dialed number identification service (DNIS) group or number, use the clear dialer dnis command in privileged EXEC mode.
clear dialer dnis {group name | number number}
Syntax Description
group name Clears dialer DNIS group statistics. number number Clears dialer DNIS number statistics.
To remove all dialer sessions and disconnect links when connected, use the clear dialer sessions command in EXEC configuration mode.
clear dialer sessionsSyntax Description
This command has no arguments or keywords.
To delete an entry from the list of queued host-initiated connections, use the clear entry command in EXEC mode at the system prompt.
clear entry number
Syntax Description
number An entry number obtained from the show entry EXEC command.
To reset the hardware logic on an interface, use the clear interface command in privileged EXEC mode.
clear interface name-tag
Syntax Description
name-tag The logic name to identify the server configuration so that multiple entries of server configuration can be entered.
To tear down the virtual access interface and free the memory for other dial-in uses, use the clear interface virtual-access command in EXEC mode.
clear interface virtual-access number
Syntax Description
number Number used to identify the virtual access interface.
To clear static routes downloaded from an authentication, authorization, and accounting (AAA) server, use the clear ip route download command in EXEC mode.
clear ip route download {* | network-number network-mask | reload}
Syntax Description
* Deletes all routes. network-number network-mask Deletes only the destination network route; indicate the value in standard IP address notation. Example: 1.1.1.1 255.255.255.255. reload Deletes all routes, then reloads static routes from the AAA server and resets the timer configured by the aaa route download command.
To return a terminal line to idle state, use the clear line command in EXEC mode.
clear line line-number
Syntax Description
line-number Absolute line number.
To reset the hardware for one or more manageable modems on an access server or router, use the clear modem command in EXEC mode.
clear modem {slot/port | all | group group-number | at-mode slot/port |
Syntax Description
slot/port Clear the modem at the specified slot and modem port number. Remember to include the forward slash (/) when entering this variable. For example: 1/1. This variable can also be used with the clear modem at-mode and clear modem counters subcommands. all Clear all modems. This command disconnects any active calls. group group-number Clears the modem hardware for a group of modems. The modem group-number is the number of the group you have previously created. at-mode slot/port Tears down an AT directly connected session. The variable, slot/port-number, is required. This EXEC command clears an attention (AT) directly connected session to a manageable Microcom modem from a second Telnet session. test Clears the log or test report that is displayed by the show modem test command. If you do not clear the test regularly, eventually the oldest test report will replace the current test report.
To clear the statistical counters on one or more manageable modems installed in an access server, use the clear modem counters command in EXEC mode.
clear modem counters [slot/port-number | group [group-number]]
Syntax Description
slot/port-number (Optional) Clear the modem at the specified slot and modem port number. Remember to include the forward slash (/) when entering this variable. For example: 1/1. This variable can also be used with the clear modem at-mode and clear modem counters. group [group-number] (Optional) Clears the counter for one or all groups of modems. The subcommand clear modem counters group without the group-number clears counters in all modem groups. The optional modem group-number is the number of the group you have previously created. The group number range is 1 through1002.
To clear the active or running counters associated with one or more modem pools, use the clear modempool-counters command in EXEC mode. This command is used only with MICA technologies digital modems.
clear modempool-counters [name]
Syntax Description
name (Optional) Modem pool name. If you do not include this option, all counters for all modem pools will be cleared.
To reset the counter statistics associated with a specific customer profile, call discriminator, or physical resource, use the clear resource-pool command in privileged EXEC mode.
clear resource-pool {customer | discriminator | resource} {name | all}Syntax Description
customer | Clears a customer profile. |
discriminator | Clears a call discriminator. |
resource | Clears a physical resource. Checks the counters maintained for resource groups. |
name | Clears a specific customer profile, discriminator, or physical resource in the access server. |
all | Clears all customer profiles, discriminators, or physical resources in the access server. |
To clear all time stamps to zero, use the clear rlm group link command in privileged EXEC mode.
clear rlm group group-number link
Syntax Description
group-number RLM group number (0 to 255).
To end the quiet period on a client router within 2 minutes, use the clear snapshot quiet-time command in EXEC mode.
clear snapshot quiet-time interface
Syntax Description
interface Interface type and number.
To clear the content of the failure history table, use the clear vpdn history failure command in EXEC mode.
clear vpdn history failureSyntax Description
This command has no arguments or keywords.
To shut down a specified tunnel and all sessions within the tunnel, use the clear vpdn tunnel command in EXEC mode.
clear vpdn tunnel {l2f nas-name hgw-name | l2tp [remote-name] [local-name]}
Syntax Description
l2f Specifies the Layer 2 Forwarding (L2F) tunnel protocol. nas-name Name of the network access server at the far end of the tunnel. hgw-name Host name of the home gateway at the local end of the tunnel. l2tp Specifies the Layer 2 Tunneling Protocol (L2TP) tunnel protocol. remote-name (Optional) Host name of the tunnel peer. At the LNS, this is the name of the L2TP access concentrator (LAC); at the LAC, this is the name of the L2TP network server (LNS). local-name (Optional) Local host name for the tunnel.
To set the E1 line clock source for the Cisco AS5200 access server, use the clock source line command in controller configuration mode. Use the no form of this command to change or remove the clocking source.
clock source line {primary | secondary}
Syntax Description
primary Primary TDM clock source. secondary Secondary TDM clock source.
To log in to a host that supports Telnet, rlogin, or LAT, use the connect command in EXEC mode.
connect host [port] [keyword]
Syntax Description
host A host name or an IP address. port (Optional) A decimal TCP port number; the default is the Telnet router port (decimal 23) on the host. keyword (Optional) One of the options listed in Table 5.
| Option | Description |
|---|---|
/debug | Enables Telnet debugging mode. |
/encrypt kerberos | Enables an encrypted Telnet session. This keyword is available only if you have the Kerberized Telnet subsystem. |
/line | Enables Telnet line mode. In this mode, the Cisco IOS software sends no data to the host until you press Return. You can edit the line using the standard Cisco IOS software command editing characters. The /line keyword is a local switch; the remote router is not notified of the mode change. |
/noecho | Disables local echo. |
/route path | Specifies loose source routing. The path argument is a list of host names or IP addresses that specify network nodes and ends with the final destination. |
/source-interface | Specifies the source interface. |
/stream | Turns on stream processing, which enables a raw TCP stream with no Telnet control sequences. A stream connection does not process Telnet options and can be appropriate for connections to ports running UUCP and other non-Telnet protocols. |
port-number | Port number. |
bgp | Border Gateway Protocol. |
chargen | Character generator. |
cmd rcmd | Remote commands. |
daytime | Daytime. |
discard | Discard. |
domain | Domain Naming Service. |
echo | Echo. |
exec | EXEC. |
finger | Finger. |
ftp | File Transfer Protocol. |
ftp-data | FTP data connections (used infrequently). |
gopher | Gopher. |
hostname | Network Information Center (NIC) hostname server. |
ident | Ident Protocol. |
irc | Internet Relay Chat. |
klogin | Kerberos login. |
kshell | Kerberos shell. |
login | Login (rlogin). |
lpd | Printer service. |
nntp | Network News Transport Protocol. |
node | Connect to a specific LAT node. |
pop2 | Post Office Protocol v2. |
pop3 | Post Office Protocol v3. |
port | Destination LAT port name. |
smtp | Simple Mail Transport Protocol. |
sunrpc | Sun Remote Procedure Call. |
syslog | Syslog. |
tacacs | Specify TACACS security. |
talk | Talk. |
telnet | Telnet. |
time | Time. |
uucp | Unix-to-Unix Copy Program. |
whois | Nickname. |
www | World Wide Web (HTTP). |
To configure a T1 or E1 controller and enter controller configuration mode, use the controller command in global configuration mode.
Cisco 7200 series and Cisco 7500 series routers
controller {t1 | e1} slot/port
Cisco AS5200 and AS5300access servers and Cisco 4000 series routers
controller {t1 | e1} number
Syntax Description
t1 T1 controller. e1 E1 controller. slot/port Backplane slot number and port number on the interface. See your hardware installation manual for the specific values and slot numbers. number Network processor module (NPM) number, in the range 0 through 2.
To copy modem firmware to integrated modems in an access server, use the copy modem command in EXEC mode.
copy {flash | tftp | rcp} modem
Syntax Description
flash Copies firmware from Flash memory to the modems. tftp Copies firmware from a local TFTP server on your network to the modems. rcp Copies firmware from a local rcp server on your network to the modems.
To enable negotiation of authentication with a router or bridge that supports the Combinet Proprietary Protocol (CPP) and that is calling in to this router, use the cpp authentication command in interface configuration mode. To disable negotiation of CPP authentication, use the no form of this command.
cpp authenticationSyntax Description
This command has no arguments or keywords.
To enable the router to accept callback from a router or bridge that supports the Combinet Proprietary Protocol (CPP), use the cpp callback accept command in interface configuration mode. Use the no form of this command to disable callback acceptance.
cpp callback acceptSyntax Description
This command has no arguments or keywords.
Posted: Wed Jul 26 11:38:47 PDT 2000
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