|
|
This chapter explains the function and syntax of the interface commands access-list through cut-through. For more information about defaults and guidelines, see the corresponding chapter of the Cisco IOS Interface Command Reference, Release 12.1.
To establish MAC address access lists, use the access-list global configuration command. To remove a single access list entry, use the no form of this command.
access-list access-list-number {permit | deny} address mask
Syntax Description
access-list-number Integer from 700 to 799 that you select for the list. permit Permits the frame. deny Denies the frame. address mask 48-bit MAC addresses written in dotted triplet form. The ones bits in the mask argument are the bits to be ignored in the address value.
To build type-code access lists, use the access-list global configuration command. To remove a single access list entry, use the no form of this command.
access-list access-list-number {permit | deny} type-code wild-mask
Syntax Description
access-list-number User-selectable number between 200 and 299 that identifies the list. permit Permits the frame. deny Denies the frame. type-code 16-bit hexadecimal number written with a leading "0x"; for example, 0x6000. You can specify either an Ethernet type code for Ethernet-encapsulated packets, or a DSAP/SSAP pair for 802.3 or 802.5-encapsulated packets. wild-mask 16-bit hexadecimal number with ones bits that correspond to bits in the type-code argument that should be ignored when making a comparison. (A mask for a DSAP/SSAP pair should always be at least 0x0101 because these two bits are used for purposes other than identifying the SAP codes.)
To enable authentication and specify the string that must be present to accept any packet on the out-of-band (OOB) communications channel on a packet-over-SONET (POS) interface, use the aps authenticate interface configuration command. To disable authentication, use the no form of this command.
aps authenticate string
Syntax Description
string Text that must be present to accept the packet on a protected or working interface. Up to eight alphanumeric characters are accepted.
To manually switch the specified circuit to a protect interface, unless a request of equal or higher priority is in effect, use the aps force interface configuration command. To cancel the switch, use the no form of this command.
aps force circuit-number
Syntax Description
circuit-number Number of the circuit to switch to the protect interface.
To allow more than one protect and working interface to be supported on a router, use the aps group interface configuration command. To remove a group, use the no form of this command.
aps group group-number
Syntax Description
group-number Number of the group. The default group-number is 0.
To prevent a working interface from switching to a protect interface, use the aps lockout interface configuration command. To remove the lockout, use the no form of this command.
aps lockout circuit-number
Syntax Description
circuit-number Number of the circuit to lock out.
To manually switch a circuit to a protect interface, use the aps manual interface configuration command. To cancel the switch, use the no form of this command.
aps manual circuit-number
Syntax Description
circuit-number Number of the circuit to switch to a protect interface.
To enable a POS interface as a protect interface, use the aps protect interface configuration command. To remove the POS interface as a protect interface, use the no form of this command.
aps protect circuit-number ip-address
Syntax Description
circuit-number Number of the circuit to enable as a protect interface. ip-address IP address of the router that has the working POS interface.
To enable automatic switchover from the protect interface to the working interface after the working interface becomes available, use the asp revert interface configuration command. To disable automatic switchover, use the no form of this command.
aps revert minutes
Syntax Description
minutes Number of minutes until the circuit is switched back to the working interface after the working interface is available.
To change the time between hello packets and the time before the protect interface process declares a working interface router to be down, use the aps timers interface configuration command. To return to the default timers, use the no form of this command.
aps timers seconds1 seconds2
Syntax Description
seconds1 Number of seconds to wait before sending a hello packet (hello timer). seconds2 Number of seconds to wait to receive a response from a hello packet before the interface is declared down (hold timer).
To configure a protect interface for unidirectional mode, use the aps unidirectional interface configuration command. To return to the default, bidirectional mode, use the no form of this command.
aps unidirectionalSyntax Description
This command has no arguments or keywords.
To configure a POS interface as a working interface, use the aps working interface configuration command. To remove the protect from the POS interface, use the no form of this command.
aps working circuit-number
Syntax Description
circuit-number Circuit number associated with this working interface.
To set the mode of operation and thus control the type of the ATM cell used for cell-rate decoupling on the SONET PLIM, use the atm sonet interface configuration command. To restore the default Synchronous Transport Signal level 12, concatenated (STS-12c) operation, use the no form of this command.
atm sonet [stm-4]
Syntax Description
stm-4 (Optional) Synchronous Digital Hierarchy/Synchronous Transport Signal level 4 (SDH/STM-4) operation (ITU-T specification).
To enable automatic receiver polarity reversal on a hub port connected to an Ethernet interface of a Cisco 2505 or Cisco 2507 router, use the auto-polarity hub configuration command. To disable this feature, use the no form of this command.
auto-polaritySyntax Description
This command has no arguments or keywords.
To set a bandwidth value for an interface, use the bandwidth interface configuration command. To restore the default values, use the no form of this command.
bandwidth kilobits
Syntax Description
kilobits Intended bandwidth in kilobits per second. For a full bandwidth DS3, enter the value 44736.
To abort a bit-error rate testing session, use the bert abort privileged EXEC command.
bert abortSyntax Description
This command has no arguments or keywords.
To start a bit-error rate test for a particular port, use the bert controller privileged EXEC command.
bert controller [type-controller] {[last-controller] | profile [number | default]}
Syntax Description
type-controller (Optional) Use either T1 or E1 depending on the type of facility. last-controller (Optional) Last controller number. The valid range is 0 to 7. profile Sets the profile numbers for the bit-error rate test. The default is 0. number (Optional) Numbers of the test profiles to use. The valid range is 0 to 15. default (Optional) Executes the default bit-error rate test (0).
To set up various bit-error rate testing profiles, use the bert profile privileged EXEC command. To disable the particular BERT profile indicated by profile number, use the no form of this command.
bert profile number pattern pattern threshold threshold error-injection err_inj duration time
Syntax Description
number BERT profile number. The valid range is 1 to 15. This is the number assigned to a particular set of parameters. If no such profile of the same number exists in the system, a new profile is created with that number; otherwise, an existing set of parameters with that profile number is overwritten by the new profile. pattern Pattern BERT will generate on the line. pattern 0s---repetitive pattern, all zeros threshold Test failure (error) threshold that determines if the BERT on this line passed. threshold 10^-2---Bit-error rate of 10-2 error-injection Error injection rate for bit errors injected into the BERT pattern generated by the chip. The default is none. err_inj 10^-1---Error injection of 10-1 duration Duration, in minutes, for which BERT is to be executed. time Duration of BERT in minutes. The valid range is 1 to 1440. The default is 10.
1_in_16---n repetitive pattern, 1 in 16
1s---n repetitive pattern, all ones
211-O.152---n pseudo-random pattern, 211 -1 O.152
215-O.15---n pseudo-random pattern, 215 -1 O.151
220-O.151QRSS---n pseudo-random pattern, 220 -1 O.151 QRSS
(This is the default)
220-O.153---n pseudo-random pattern, 220 -1 O.153
3_in_24---n repetitive pattern, 3 in 24
10^-3---Bit-error rate of 10-3
10^-4---Bit-error rate of 10-4
10^-5---Bit-error rate of 10-5
10^-6---Bit-error rate of 10-6 (This is the default)
10^-7---Bit-error rate of 10-7
10^-8---Bit-error rate of 10-8
10^-2---Error injection of 10-2
10^-3---Error injection of 10-3
10^-4---Error injection of 10-4
10^-5---Error injection of 10-5
10^-6---Error injection of 10-6
10^-7---Error injection of 10-7
none---No error injection in the data pattern.
To specify the distance of the cable from the routers to the network equipment, use the cablelength controller configuration command. To restore the default cable length, use the no form of this command.
cablelength feet
Syntax Description
feet Number of feet in the range of 0 to 450. The default values are:
To increase the pulse of a signal at the receiver and decrease the pulse from the transmitter using pulse equalization and line build-out for a T1 cable, use the cablelength long controller configuration or interface configuration command. To return the pulse equalization and line build-out values to their default settings, use the no form of this command.
cablelength long dbgain-value dbloss-value
Syntax Description
dbgain-value Number of decibels by which the receiver signal is increased. Use one of the following values: The default is 26db. dbloss-value Number of decibels by which the transmit signal is decreased. Use one of the following values: The default is 0db.
To set a cable length 655 feet or shorter for a DS1 link on the Cisco MC3810 or Cisco 2600 and 3600 series routers, use the cablelength short controller configuration or interface configuration command. This command is supported on T1 controllers only. To delete the cablelength short value, use the no form of this command. To set cable lengths longer than 655 feet, use the cablelength long command.
cablelength short length
Syntax Description
length Specifies a cable length. Use one of the following values to specify this value:
To set the carrier delay on a serial interface, use the carrier-delay interface configuration command. To return to the default carrier delay value, use the no form of this command.
carrier-delay [seconds]
Syntax Description
seconds Time, in seconds, to wait for the system to change states. Enter an integer in the range 0 to 60. The default is 2 seconds.
To assign a Fast Ethernet interface to a Fast EtherChannel group, use the channel-group interface configuration command. To remove a Fast Ethernet interface from a Fast EtherChannel group, use the no form of this command.
channel-group channel-number
Syntax Description
channel-number Port-channel number previously assigned to the port-channel interface when using the interface port-channel global configuration command. The range is 1 to 4.
To clear data compression of the Advanced Interface Module (AIM) daughtercard registers and reset the hardware, use the clear aim interface configuration command.
clear aim element-number
Syntax Description
element-number Enables compression for this AIM slot. AIM slots begin with 0.
To reboot the LAN Extender chassis and restart its operating software, use the clear controller lex privileged EXEC command.
clear controller lex number [prom] Cisco 7500 Series
clear controller lex slot/port [prom]
Cisco 7200 Series and 7500 Series with a Packet over SONET Interface Processor
clear controller lex [type] slot/port
Cisco 7500 Series with Ports on VIP Cards
clear controller lex [type] slot/port-adapter/port
Syntax Description
number Number of the LAN Extender interface corresponding to the LAN Extender to be rebooted. prom (Optional) Forces a reload of the PROM image, regardless of any Flash image. slot Number of the slot being configured. Refer to the appropriate hardware manual for slot and port information. port Number of the port being configured. Refer to the appropriate hardware manual for slot and port information. (Optional) Specifies the interface type. port-adapter Number of the port-adapter being configured. Refer to the appropriate hardware manual for information about port adapter compatibility.
To clear the interface counters, use the clear counters EXEC command.
clear counters [type number] Cisco 4000 Series or Cisco 7500 Series with a LAN Extender Interface
clear counters [type slot/port] [ethernet | serial]
Cisco 7200 Series and 7500 Series with a Packet over SONET Interface Processor
clear counters [type] slot/port
Cisco 7500 Series with Ports on VIP Cards
clear counters [type] slot/port-adapter/port
Syntax Description
To reset and reinitialize the hub hardware connected to an interface of a Cisco 2505 or Cisco 2507 router, use the clear hub EXEC command.
clear hub ethernet number
Syntax Description
ethernet Indicates the hub in front of an Ethernet interface. number Hub number to clear, starting with 0. Because there is only one hub, this number is 0.
To set to zero the hub counters on an interface of a Cisco 2505 or Cisco 2507 router, use the clear hub counters EXEC command.
clear hub counters [ether number [port [end-port]]]
Syntax Description n
ether (Optional) Indicates the hub in front of an Ethernet interface. number (Optional) Hub number for which to clear counters. Since there is currently only one hub, this number is 0. If you specify the keyword ether, you must specify the number. port (Optional) Port number on the hub. On the Cisco 2505 router, port numbers range from 1 to 8. On the Cisco 2507 router, port numbers range from 1 to 16. If a second port number follows, then this port number indicates the beginning of a port range. If you do not specify a port number, counters for all ports are cleared. end-port (Optional) Ending port number of a range.
To reset the hardware logic on an interface, use the clear interface EXEC command.
clear interface type number [name-tag] Cisco 7200 Series and Cisco 7500 Series with a Packet OC-3 Interface Processor
clear interface type slot/port
Cisco 7500 Series with Ports on VIP Cards
clear interface type slot/port-adapter/port
Cisco 7500 Series
clear interface type slot/port [:channel-group]
Cisco 7500 Series with a CT3IP
clear interface type slot/port-adapter/port [:t1-channel]
Syntax Description
Specifies the interface type. number Specifies the port, connector, or interface card number. name-tag (Optional) Specifies the logic name to identify the server configuration so that multiple entries of server configuration can be entered. This optional argument is for use with the RLM feature. slot Number of the slot being configured. Refer to the appropriate hardware manual for slot and port information. port Number of the port being configured. Refer to the appropriate hardware manual for slot and port information. port-adapter Number of the port-adapter being configured. Refer to the appropriate hardware manual for information about port adapter compatibility. :channel-group (Optional) On Cisco 7500 series routers supporting channelized T1, specifies the channel from 0 to 23. This number is preceded by a colon. :t1-channel (Optional) For the CT3IP, the T1 channel is a number between 1 and 28. T1 channels on the CT3IP are numbered 1 to 28 rather than the more traditional zero-based scheme (0 to 27) used with other Cisco products. This numbering scheme ensures consistency with telco numbering schemes for T1 channels within channelized T3 equipment.
To reset the controller for a specified Fast Ethernet interface, use the clear interface fastethernet privileged EXEC command.
Cisco 4500 and 4700 series
clear interface fastethernet number
Cisco 7200 and 7500 series
clear interface fastethernet slot/port
Cisco 7500 series
clear interface fastethernet slot/port-adapter/port
Syntax Description
number Port, connector, or interface card number. On a Cisco 4500 or Cisco 4700 router, specifies the network processor module (NPM) number. The numbers are assigned at the factory at the time of installation or when added to a system. slot Number of the slot being configured. Refer to the appropriate hardware manual for slot and port information. port Number of the port being configured. Refer to the appropriate hardware manual for slot and port information. port-adapter Number of the port-adapter being configured. Refer to the appropriate hardware manual for information about port adapter compatibility.
To reset the statistical information specific to a serial interface, use the clear interface serial EXEC command.
clear interface serial dial-shelf/slot/t3-port:t1-num:chan-group
Syntax Description
dial-shelf Dial shelf chassis in the Cisco AS5800 access server containing the CT3 interface card. slot Location of the CT3 interface card in the dial shelf chassis. t3-port T3 port number. The only valid value is 0. :t1-num T1 timeslot in the T3 line. The value can be from 1 to 28. :chan-group Channel group identifier.
To reset an integrated CSU/DSU, use the clear service-module serial privileged EXEC configuration command.
clear service-module serial number
Syntax Description
number Number of the serial interface.
To configure the clock rate for the hardware connections on serial interfaces such as network interface modules (NIMs) and interface processors to an acceptable bit rate, use the clock rate interface configuration command. To remove the clock rate if you change the interface from a DCE to a DTE device, use the no form of this command. Using the no form of this command on a DCE interface sets the clock rate to the hardware-dependent default value.
clock rate bps
Syntax Description
bps Desired clock rate in bits per second: 1200, 2400, 4800, 9600, 19200, 38400, 56000, 64000, 72000, 125000, 148000, 250000, 500000, 800000, 1000000, 1300000, 2000000, 4000000, or 8000000. For the synchronous serial port adapters (PA-8T-V35, PA-8T-X21, PA-8T-232, and PA-4T+), a nonstandard clock rate can be used. You can enter any value from 300 to 8000000 bps. The clock rate you enter is rounded (adjusted), if necessary, to the nearest value your hardware can support except for the following standard rates: 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 56000, 64000, 128000, or 2015232. The default is no clock rate configured.
To configure the clock source of a DS1 link, enter the clock source interface configuration, controller configuration, or ATM interface configuration command. To restore the default line setting, use the no form of this command.
clock source {line | internal | loop-timed}
Syntax Description
line Specifies that the T1/E1 link uses the recovered clock from the line. This is the default. internal Specifies that the T1/E1 link uses the internal clock from the interface. loop-timed Specifies that the T1/E1 interface takes the clock from the Rx (line) and uses it for Tx.
To select the clock source for the time-division multiplexing (TDM) bus in a Cisco AS5200 access server, use the clock source interface configuration command. To restore the clock source to its default setting, use the no form of this command.
clock source {line {primary | secondary} | internal}
Syntax Description
line Clock source on the active line. primary Primary TDM clock source. secondary Secondary TDM clock source. internal Selects the free running clock (also known as internal clock) as the clock source.
To set the T1-line clock-source for the MIP in the Cisco 7200 series and Cisco 7500 series or for the NPM in the Cisco 4000 series or a T3 interface or a PA-T3 serial port adapter, use the clock source controller configuration command. To restore the clock source to its default setting, use the no form of this command.
clock source {line {primary | secondary} | internal}
Syntax Description
line Specifies that the interface will clock its transmitted data from a clock recovered from the line's receive data stream. This is the default. primary Specifies the source of primary line clocking. The default primary TDM clock source is from the T0 controller. secondary Specifies the source of secondary line clocking. The default secondary TDM clock source is from the T1 controller. internal Specifies that the interface will clock its transmitted data from its internal clock.
To specify where the clock source is obtained for use by the Channelized T3 Interface Processor (CT3IP) in Cisco 7500 series routers, use the clock source controller configuration command. To restore the default clock source, use the no form of this command.
clock source {internal | line | loop-timed}
Syntax Description
internal Specifies that the internal clock source is used. This is the default. line Specifies that the network clock source is used. loop-timed Decouples the controller clock from the system-wide clock set with the network-clock-select command. The loop-timed clock enables the DVM to connect to a PBX and to connect the MFT to a central office when both the PBX and the central office function as DCE clock sources. This situation assumes that the PBX also takes the clocking from the central office thereby synchronizing the clocks on the DVM and the MFT.
To control the clock used by a G.703-E1 interface, an E1-G.703/G.704 serial port adapter, or a PA-E3 serial port adapter will use to clock its transmitted data from, use the clock source interface configuration command. To restore the default clock source, use the no form of this command.
Cisco 4000, 7000, 7200, and 7500 Series
clock source {line | internal}
no clock source
Cisco AS5200 and AS5300 Access Servers
clock source {line {primary | secondary} | internal}
no clock source line {primary | secondary}
Syntax Description
line Specifies that the interface will clock its transmitted data from a clock recovered from the line's receive data stream. This is the default. internal Specifies that the interface will clock its transmitted data from its internal clock. primary Primary TDM clock source. secondary Secondary TDM clock source.
To specify the clock source of a DS1 link on the Cisco MC3810 multiservice access concatenator, use the clock source controller configuration command. To restore the clock source to its default setting, use the no form of this command.
clock source {line | internal | loop-timed}
Syntax Description
line Specifies that the DS1 link uses the recovered clock. The line value is the default clock source used when the Multiflex Trunk (MFT) is installed. internal Specifies that the DS1 link uses the internal clock. The internal value is the default clock source used when the Digital Voice Module (DVM) is installed. loop-timed Specifies that the T1/E1 controller will take the clock from the Rx (line) and use it for Tx. This setting decouples the controller clock from the system-wide clock set with the network-clock-select command. The loop-timed clock enables the DVM to connect to a PBX and to connect the MFT to a central office when both the PBX and the central office function as DCE clock sources. This situation assumes that the PBX also takes the clocking from the central office thereby synchronizing the clocks on the DVM and the MFT.
To start the processes that perform the connection management (CMT) function and allow the ring on one fiber to be started, use the cmt connect EXEC command.
cmt connect [fddi [ port | slot/port ] [phy-a | phy-b]]
Syntax Description
fddi (Optional) Identifies this as a FDDI interface. port Number of the port being configured. Refer to the appropriate hardware manual for slot and port information. slot Number of the slot being configured. Refer to the appropriate hardware manual for slot and port information. phy-a (Optional) Selects Physical Sublayer A. phy-b (Optional) Selects Physical Sublayer B.
To stop the processes that perform the connection management (CMT) function and allow the ring on one fiber to be stopped, use the cmt disconnect EXEC command.
cmt disconnect [fddi [ port | slot/port ] [phy-a | phy-b]]
Syntax Description
fddi (Optional) Identifies this as a FDDI interface. port Number of the port being configured. Refer to the appropriate hardware manual for slot and port information. slot Number of the slot being configured. Refer to the appropriate hardware manual for slot and port information. phy-a (Optional) Selects Physical Sublayer A. phy-b (Optional) Selects Physical Sublayer B.
To configure software compression for Link Access Procedure, Balanced (LAPB), Point-to-Point Protocol (PPP), and High-Level Data Link Control (HDLC) encapsulations, use the compress interface configuration command. On Cisco 7200 series routers and Cisco 7500 series routers, hardware compression on the compression service adapter (CSA) is supported for PPP links. To disable compression, use the no form of this command.
compress {predictor | stac} Cisco VIP2 Cards
compress {predictor | stac [distributed | software]}
Cisco 7200 Series
compress {predictor | stac [ csa slot | software]}
PPP Encapsulation
compress [predictor | stac | mppc [ignore-pfc]]
Syntax Description
predictor Specifies that a predictor (RAND) compression algorithm will be used on LAPB and PPP encapsulation. Compression is implemented in the software installed in the router's main processor. stac On Cisco 7200 series, on VIP2s in Cisco 7500 series specifying the compress stac command with no options causes the router to use the fastest available compression method for PPP encapsulation only: distributed (Optional) Specifies that compression is implemented in the software that is installed in a VIP2. If the VIP2 is not available, compression is performed in the router's main processor (software compression). software (Optional) Specifies that compression is implemented in the Cisco IOS software installed in the router's main processor. csa slot (Optional) Specifies the CSA to use for a particular interface. This option applies only to Cisco 7200 series routers. mppc (Optional) Specifies that the MPPC compression algorithm will be used. ignore-pfc (Optional) Specifies that the protocol field compression flag negotiated through LCP will be ignored.
To configure compression using the Microsoft PPC (MPPC) compression algorithm on your data compression Advanced Interface Module (AIM) for the Cisco 2600 series router, enter the compress mppc interface configuration command. The MPPC compression algorithm is used to exchange compressed information with a Microsoft NT remote access server. To disable compression, use the no form of this command.
compress mppcSyntax Description
This command has no arguments or keywords.
The compress command replaces this command.
To specify the exact hardware compression resource preferred, enter the compress stac caim interface configuration command. To disable compression, use the no form of this command.
compress stac caim element-number
Syntax Description
element-number Enables compression for this interface. AIM interfaces begin with 0.
To configure a T1 controller, use the controller t1 global configuration command. To delete the defined controller, use the no form of this command.
controller t1 dial-shelf/slot/t3-port:t1-num
Syntax Description
dial-shelf Dial shelf chassis in the Cisco AS5800 access server containing the CT3 interface card. slot Location of the CT3 interface card in the dial shelf chassis. t3-port T3 port number. The only valid value is 0. :t1-num T1 timeslot in the T3 line. The value can be from 1 to 28.
To configure the Channelized T3 Interface Processor (CT3IP) in Cisco 7500 series routers, or the CT3 feature board in Cisco AS5800 access servers, use the controller t3 global configuration command. To delete the defined controller, use the no form of this command.
Cisco 7500 Series
controller t3 slot/port-adapter/port
no controller t3 slot/port-adapter/port
Cisco AS5800 Access Server
controller t3 dial-shelf/slot/t3-port
no controller t3 dial-shelf/slot/t3-port
Syntax Description
slot Number of the slot being configured. Refer to the appropriate hardware manual for slot and port information. port Number of the port being configured. Refer to the appropriate hardware manual for slot and port information. port-adapter Number of the port-adapter being configured. Refer to the appropriate hardware manual for information about port adapter compatibility. dial-shelf Dial shelf chassis in the Cisco AS5800 access server containing the CT3 interface card. slot Location of the CT3 interface card in the dial shelf chassis. t3-port T3 port number. The only valid value is 0.
To download an executable image from Flash memory on the core router to the LAN Extender chassis, use the copy flash lex privileged EXEC command.
copy flash lex number
Syntax Description
number Number of the LAN Extender interface to which to download an image from Flash memory.
To download an executable image from a TFTP server to the LAN Extender, use the copy tftp lex privileged EXEC command.
copy tftp lex number
Syntax Description
number Number of the LAN Extender interface to which to download an image.
To set the length of the cyclic redundancy check (CRC) on a Fast Serial Interface Processor (FSIP) or HSSI Interface Processor (HIP) of the Cisco 7500 series routers or on a 4-port serial adapter of the Cisco 7200 series routers, use the crc interface configuration command. To set the CRC length to 16 bits, use the no form of this command.
crc size
Syntax Description
size CRC size (16 or 32 bits). The default is 16 bits.
To enable generation of CRC4 (per ITU Recommendation G.704 and G.703) to improve data integrity, use the crc4 interface configuration command. To disable this feature, use the no form of this command.
crc4Syntax Description
This command has no arguments or keywords.
To enable generation of CRC5 (per ITU Recommendation G.704 and G.703) to improve data integrity, use the crc bits 5 interface configuration command. To disable this feature, use the no form of this command.
crc bits 5Syntax Description
This command has no arguments or keywords.
To configure the interfaces on the PA-12E/2FE port adapter to use cut-through switching technology between interfaces within the same bridge group, use the cut-through interface configuration command. To return each interface to store-and-forward switching, use the no form of this command.
cut-through [receive | transmit]
Syntax Description
receive (Optional) Selects cut-through switching technology on received data. transmit (Optional) Selects cut-through switching technology on transmitted data.
![]()
![]()
![]()
![]()
![]()
![]()
![]()
Posted: Wed Jul 26 12:55:01 PDT 2000
Copyright 1989-2000©Cisco Systems Inc.