Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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lsp-gen-interval

Set the minimum interval between successive generations of link-state packets (LSPs).

Syntax
lsp-gen-interval [level-l | level-2] interval seconds [initial_wait_interval seconds [second_wait_interval seconds]]

To restore default values, use the no lsp-gen-interval [level-l | level-2] interval seconds [initial_wait_interval seconds [second_wait_interval seconds]] command.

Parameters
level-l
(OPTIONAL) Enter the keywords level-1 to apply the configuration to generation of Level-1 LSPs.
level-2
(OPTIONAL) Enter the keywords level-2 to apply the configuration to generation of Level-2 LSPs.
interval seconds
Enter the maximum number of seconds between LSP generations. The range is from 0 to 120 seconds. The default is 5 seconds.
initial_wait_interval seconds
(OPTIONAL) Enter the initial wait time, in seconds, before running the first LSP generation. The range is from 0 to 120 seconds. The default is 1 second.
second_wait_interval seconds
(OPTIONAL) Enter the wait interval, in seconds, between the first and second LSP generation. The range is from 0 to 120 seconds. The default is 5 seconds.
Defaults
See Parameters.
Command Modes
ROUTER ISIS
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
9.5(0.1)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.12.0
Introduced on the S4810.
8.3.11.1
Introduced on the Z9000.
7.5.1.0
Added support for LSP Throttling Enhancement.
Usage Information

LSP throttling slows down the frequency at which LSPs are generated during network instability. Even though throttling LSP generations slows down network convergence, no throttling can result in a network not functioning as expected. If network topology is unstable, throttling slows down the scheduling of LSP generations until the topology regains its stability.

The first generation is controlled by the initial wait interval and the second generation is controlled by the second wait interval. Each subsequent wait interval is twice as long as the previous one until the wait interval reaches the maximum wait time specified (interval seconds). After the network calms down and there are no triggers for two times the maximum interval, fast behavior is restored (the initial wait time).


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