Reference Guide

Intermediate System to Intermediate System (IS-IS) | 931
Parameters
Defaults
3 addresses
Command Modes
ROUTER ISIS
Command
History
Usage
Information
Use this command to configure the number of area addresses on router. This value should be consistent
with routers in the same area, or else, the router will form only Level 2 adjacencies. The value should
be same among all the routers to form Level 1 adjacencies.
max-lsp-lifetime
e
Set the maximum time that link-state packets (LSPs) exist without being refreshed.
Syntax
max-lsp-lifetime seconds
To restore the default time, enter no max-lsp-lifetime.
Parameters
Defaults
1200 seconds
Command Modes
ROUTER ISIS
Command
History
Usage
Information
Change the maximum LSP lifetime with this command. The maximum LSP lifetime must always be
greater than the LSP refresh interval.
The seconds parameter enables the router to keep LSPs for the specified length of time. If the value is
higher, the overhead is reduced on slower-speed links.
Related
Commands
number
Set the maximum number of manual area addresses.
Range: 3 to 6.
Default: 3
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 7.5.1.0 Expanded to support LSP Throttling Enhancement
seconds
The maximum lifetime of LSP in seconds. This value must be greater than the
lsp-refresh-interval. The higher the value the longer the LSPs are kept.
Range: 1 to 65535
Default: 1200
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
lsp-refresh-interval Use this command to set the link-state packet (LSP) refresh interval.