configure isis timer lsp-interval

configure isis [vlan all | {vlan} vlan_name] timer lsp-interval milliseconds


This command sets the minimum time between LSP transmissions.

Syntax Description

vlan all Applies the timer configuration to all IS-IS This command is available on the ExtremeSwitching X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, X870, 5320, 5420, 5520 series switches.s.
vlan_name Specifies a single VLAN to which the timer configuration applies.
milliseconds Specifies the timer value. The range is 1 to 4294967295 milliseconds.


33 milliseconds.

Usage Guidelines

This is used to throttle LSP flooding. Higher values reduce network traffic and can help keep underpowered routers from becoming overloaded during network events. Lower values speed up convergence.


The following command sets the minimal LSP interval for IS-IS VLANs to 66 milliseconds:

configure isis vlan all timer lsp-interval 66


This command was first available in ExtremeXOS 12.1.

Platform Availability

This command is available on platforms with a Core or Premier license as described in the ExtremeXOS and Switch Engine 31.7 Feature License Requirements document.