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Displaying the is-is nsr status – Brocade Multi-Service IronWare Routing Configuration Guide (Supporting R05.6.00) User Manual

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Multi-Service IronWare Routing Configuration Guide

281

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IS-IS Non-Stop Routing

Disabling and enabling IS-IS graceful restart helper mode

Graceful Restart allows for the forwarding of data packets to continue along known routes while the
routing protocol information is being restored following a processor switchover.

NOTE

The ISIS GR helper mode is enabled by default on the the router and there is no configuration
required.

To disable ISIS graceful restart (GR) helper mode, enter the following commands.

Brocade(config)# router isis

Brocade(config-isis-router)# graceful-restart helper-disable

To enable the disabled ISIS graceful restart (GR) helper mode, enter the following commands.

Brocade(config)# router isis

Brocade(config-isis-router)# no graceful-restart helper-disable

[no] graceful-restart helper-disable

Displaying the IS-IS NSR status

To display the IS-IS NSR status, enter the following command.

Brocade(config-isis-router)# show isis

IS-IS Routing Protocol Operation State: Enabled

IS-Type: Level-2

System ID: cccc.bbbb.aaaa

Manual area address(es):

22.6666

Level-1-2 Database State: On

Administrative Distance: 210

Maximum Paths: 4

Default redistribution metric: 0

Protocol Routes redistributed into IS-IS:

None

Number of Routes redistributed into IS-IS: 0

Level-1 Auth-mode: None

Level-2 Auth-mode: None

Metric Style Supported for Level-1: Narrow

Metric Style Supported for Level-2: Narrow

Graceful-Restart Helper support enabled

IS-IS Partial SPF Optimizations: Enabled

Timers:

L1 SPF: Max-wait 5s Init-wait 5000ms Second-wait 5000ms

L2 SPF: Max-wait 5s Init-wait 5000ms Second-wait 5000ms

L1 SPF will run in 800msec

L2 SPF is not scheduled

PSPF: Max-wait 5000ms Init-wait 2000ms Second-wait 5000ms

PSPF will run in 300msec

LSP: max-lifetime 45s, refresh-interval 7s, gen-interval 10s

retransmit-interval 5s, lsp-interval 33ms

SNP: csnp-interval 10s, psnp-interval 2s

Global Hello Padding : Enabled

Global Hello Padding For Point to Point Circuits: Enabled

Ptpt Three Way HandShake Mechanism: Enabled

BGP Ipv4 Converged: FALSE, Ipv6 Converged: FALSE

IS-IS Traffic Engineering Support: Disabled