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10-6
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 10 Configuring ILMI
Configuring an ILMI Interface
Note If you use the no atm address-registration command to disable ILMI on this interface, the keepalives
and responses to incoming ILMI queries continue to function. If you want ILMI to be completely
disabled at this interface, use the no atm ilmi-enable command.
The following example shows how to configure the ILMI ATM interface 3/0/3 with a keepalive time of
20 seconds and retry count of 3:
Switch(config)# interface atm 3/0/3
Switch(config-if)# atm ilmi-keepalive 20 retry 3
In this example, the peer network element is polled every 20 seconds.
Proceed to the following section to confirm the ILMI interface configuration.
Configuring Per-Interface ILMI Address Prefixes
The ATM switch router allows configuration of per-interface ILMI address prefixes, so different address
prefixes can be registered with end systems attached to different interfaces. When any per-interface ILMI
address prefixes are configured, they override the prefix(es) derived from the first 13 bytes of the switch
ATM address(es) for that specific interface.
Multiple ILMI address prefixes can be configured on each interface; for example, during ATM address
migration.
To configure a per-interface ILMI address prefix, perform the following tasks, beginning in global
configuration mode:
Examples
The following example shows how to change the ATM address of the switch from the autoconfigured
address 47.0091.8100.0000.0041.0b0a.1081.0041.0b0a.1081.00 to the new address
47.0091.8100.5670.0000.0000.1122.0041.0b0a.1081.00:
Switch(config)# atm address 47.0091.8100.5670.0000.0000.1122...
Switch(config)# no atm address 47.0091.8100.0000.0041.0b0a.1081...
The following example shows how to configure an additional ATM address manually, or address prefix
47.0091.8100.0000.0003.c386.b301 on ATM interface 0/0/1:
Switch(config)# interface atm 0/0/1
Switch(config-if)# atm prefix 47.0091.8100.0000.0003.c386.b301
Displaying ILMI Address Prefix
Use the show atm addresses command to display the ILMI address prefix configuration for all
interfaces or a specific interface.
Command Purpose
Step 1
Switch(config)# interface atm
card/subcard/port[.vpt#]
Switch(config-if)#
Specifies an ATM interface and enters interface
configuration mode.
Step 2
Switch(config-if)# atm prefix 13-byte-prefix Configures the ILMI address prefix.