Chapter 39 Remote Loop-Free Alternate - Fast Reroute

How to Configure Remote Loop-Free Alternate - Fast Reroute

 

Command

Purpose

 

 

 

Step 9

max-lsp-lifetime seconds

Configures the maximum link-state packets (LSPs) lifetime.

 

 

 

seconds—Maximum LSP lifetime in seconds. The range is from

 

Example:

1 to 65535.

 

Router(config-router)#

 

 

max-lsp-lifetime 65535

 

 

 

 

Step 10

lsp-refresh-interval

Sets the link-state packet (LSP) refresh interval.

 

seconds

seconds—Interval (in seconds) at which LSPs are

 

 

 

 

Example:

refreshed.The range is 1 to 65535 seconds. The default value is

 

900 seconds (15 minutes).

 

Router(config-router)#

 

 

lsp-refresh-interval 900

 

 

 

 

Step 11

spf-interval [level-1 level-2]

Customizes IS-IS throttling of shortest path first (SPF) calculations.

 

spf-max-wait [spf-initial-wait

level-1—(Optional) Apply intervals to Level-1 areas only.

 

spf-second-wait]

 

 

 

level-2—(Optional) Apply intervals to Level-2 areas only.

 

Example:

spf-max-wait—Indicates the maximum interval (in seconds)

 

Router(config-router)# spf-interval 5

between two consecutive SPF calculations. The range is 1 to

 

50

200

120 seconds. The default is 10 seconds.

 

 

 

 

 

 

spf-initial-wait—(Optional) Indicates the initial SPF

 

 

 

calculation delay (in milliseconds) after a topology change. The

 

 

 

range is 1 to 120000 milliseconds. The default is 5500

 

 

 

milliseconds (5.5 seconds).

 

 

 

spf-second-wait—(Optional) Indicates the hold time between

 

 

 

the first and second SPF calculation (in milliseconds). The

 

 

 

range is 1 to 120000 milliseconds. The default is 5500

 

 

 

milliseconds (5.5 seconds).

 

 

 

Step 12

prc-interval prc-max-wait

Customizes IS-IS throttling of partial route calculations (PRC).

 

[prc-initial-wait prc-second-wait]

prc-max-wait—Indicates the maximum interval (in seconds)

 

 

 

 

Example:

between two consecutive PRC calculations. Value range is 1 to

 

120 seconds. The default is 5 seconds.

 

Router(config-router)# prc-interval 5

prc-initial-wait—(Optional) Indicates the initial PRC

 

50 200

 

 

 

calculation delay (in milliseconds) after a topology change. The

 

 

 

range is 1 to 120,000 milliseconds. The default is 2000

 

 

 

milliseconds.

 

 

 

prc-second-wait—(Optional) Indicates the hold time between

 

 

 

the first and second PRC calculation (in milliseconds). The

 

 

 

range is 1 to 120,000 milliseconds. The default is 5000

 

 

 

milliseconds (5 seconds).

 

 

 

 

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

 

 

OL-23826-09

 

 

39-17

 

 

 

 

 

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Cisco Systems A9014CFD manual 39-17