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Implementing IS-IS on Cisco IOS XR Software
How to Implement IS-IS on Cisco IOS XR Software
RC-98
Cisco IOS XR Routing Configuration Guide
Configuring Multitopology for IS-IS
This task explains how to configure multitopology IS-IS. This task is optional. Multitopology is
configured in much the same way as the single topology for IPv4 and IPv6 address families. The single-
topology command is omitted, invoking the default multitopology behavior.
SUMMARY STEPS
1. configure
2. interface type instance
3. ipv4 address address mask
or
ipv6 address ipv6-prefix/prefix-length [eui-64]
or
ipv6 address ipv6-address {/prefix-length | link-local}
or
ipv6 enable
4. exit
5. router isis instance-id
6. net network-entity-title
7. interface type instance
8. address-family ipv4 [unicast]
9. exit
10. address-family ipv6 [unicast]
11. end
or
commit
12. show isis [instance instance-id] interface [type number] [brief | detail] [level {1 | 2}]
13. show isis [instance instance-id] topology [systemid system-id] [level {1 | 2}] [ipv4 | ipv6]
[summary] [unicast]
14. show isis [instance instance-id] adjacency [level {1 | 2}] [interface-type interface-instance]
[detail] [systemid system-id]
15. show isis adjacency-log [level {1 | 2}]