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Implementing IS-IS on Cisco IOS XR Software

How to Implement IS-IS on Cisco IOS XR Software

RC-102

Cisco IOS XR Routing Configuration Guide

Controlling LSP Flooding for IS-IS

Flooding of LSPs can limit network scalability. You can control LSP flooding by tuning your LSP

database parameters on the router globally or on the interface. This task is optional.

Many of the commands to control LSP flooding contain an option to specify the level to which they

apply. Without the option, the command applies to both levels. If an option is configured for one level,

the other level continues to use the default value. To configure options for both levels, use the command

twice. For example:

RP/0/RP0/CPU0:router(config-isis)# lsp-refresh-interval 1200 level 2

RP/0/RP0/CPU0:router(config-isis)# lsp-refresh-interval 1100 level 1

SUMMARY STEPS

1. configure

2. router isis instance-id

3. lsp-refresh-interval seconds [level {1 | 2}]

4. lsp-check-interval seconds [level {1 | 2}]

5. lsp-gen-interval {[initial-wait initial | secondary-wait secondary | maximum-wait maximum]

...}[level {1 | 2}]

6. lsp-mtu bytes [level {1 | 2}]

7. max-lsp-lifetime seconds [level {1 | 2}]

8. ignore-lsp-errors disable

9. interface type instance

10. lsp-interval milliseconds [level {1 | 2}]

11. csnp-interval seconds [level {1 | 2}]

12. retransmit-interval seconds [level {1 | 2}]

13. retransmit-throttle-interval milliseconds [level {1 | 2}]

14. mesh-group {number | blocked}

15. end

commit

16. show isis interface [type instance | level {1 | 2}] [brief]

17. show isis [instance instance-id] database [level {1 | 2}] [detail | summary | verbose] [* | lsp-id]

18. show isis [instance instance-id] lsp-log [level {1 | 2}]

19. show isis database-log [level {1 | 2}]

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Cisco Systems IOS XR Manual de usuario Pagina 118