Customizing Routes For Is-Is - Cisco ASR 9000 Series Configuration Manual

Implementing IS-IS
Command or Action
Step 5
ispf [ level { 1 | 2 }]
Example:
RP/0/RSP0/CPU0:router(config-isis-af)# ispf
Step 6 commit
Step 7 show isis [ instance instance-id ] [[ ipv4 | ipv6 | afi-all
] [ unicast | safi-all ]] spf-log [ level { 1 | 2 }] [ ispf |
fspf | prc | nhc ] [ detail | verbose ] [ last number |
first number ]
Example:
RP/0/RSP0/CPU0:router# show isis instance 1
spf-log ipv4

Customizing Routes for IS-IS

This task explains how to perform route functions that include injecting default routes into your IS-IS routing
domain and redistributing routes learned in another IS-IS instance. This task is optional.
SUMMARY STEPS
1. configure
2. router isis instance-id
3. set-overload-bit [ on-startup { delay | wait-for-bgp }] [ level { 1 | 2 }]
4. address-family { ipv4 | ipv6 } [ unicast ]
5. default-information originate [ route-policy route-policy-name ]
6. redistribute isis instance [ level-1 | level-2 | level-1-2 ] [ metric metric ] [ metric-type { internal
| external }] [ policy policy-name ]
7. Do one of the following:
8. maximum-paths route-number
9. distance weight [ address / prefix-length [ route-list-name ]]
10. set-attached-bit
11. commit
OL-30423-03
• summary-prefix address / prefix-length [ level { 1 | 2 }]
• summary-prefix ipv6-prefix / prefix-length [ level { 1 | 2 }]
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
Purpose
(Optional) Configures incremental IS-IS ISPF to calculate
network topology.
(Optional) Displays how often and why the router has run a
full SPF calculation.
Customizing Routes for IS-IS
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