PurposeCommand or Action
(Optional) Configures incremental IS-IS ISPF to calculate
network topology.
ispf [ level { 1 | 2 }]
Example:
RP/0/RSP0/CPU0:router(config-isis-af)# ispf
Step 5
commit
Step 6
(Optional) Displays how often and why the router has run a
full SPF calculation.
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 ]
Step 7
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:
•
summary-prefix address / prefix-length [ level { 1 | 2 }]
•
summary-prefix ipv6-prefix / prefix-length [ level { 1 | 2 }]
8.
maximum-paths route-number
9.
distance weight [ address / prefix-length [ route-list-name ]]
10.
set-attached-bit
11.
commit
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.1.x
OL-30423-03 311
Implementing IS-IS
Customizing Routes for IS-IS
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