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Implementing IS-IS on Cisco IOS XR Software
How to Implement IS-IS on Cisco IOS XR Software
RC-94
Cisco IOS XR Routing Configuration Guide
The default metric style for single topology is narrow metrics. However, you can use either wide metrics
or narrow metrics. How to configure them depends on how single topology is configured. If both IPv4
and IPv6 are enabled and single topology is configured, the metric style is configured in the
address-family ipv4 stanza. You may configure the metric style in the address-family ipv6 stanza, but
it is ignored in this case. If only IPv6 is enabled and single topology is configured, then the metric style
is configured in the address-family ipv6 stanza.
SUMMARY STEPS
1. configure
2. interface type number
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. address-family ipv6 [unicast]
8. single-topology
9. exit
10. interface type instance
11. circuit-type {level-1 | level-1-2 | level-2-only}
12. address-family {ipv4 | ipv6} [unicast]
13. end
or
commit
14. show isis [instance instance-id] interface [type instance] [detail] [level {1 | 2}]
15. show isis [instance instance-id] topology [systemid system-id] [level {1 | 2}] [summary]