Reference Guide

Version 8.3.11.1 Introduced on the Z9000.
Version 7.5.1.0 Added support for LSP Throttling Enhancement.
Usage
Information
To configure the number of area addresses on router, use this command. This value must be
consistent with routers in the same area, otherwise the router forms only Level 2 adjacencies.
The value must be same among all the routers to form Level 1 adjacencies.
max-lsp-lifetime
Set the maximum time that link-state packets (LSPs) exist without being refreshed.
S4820T
Syntax
max-lsp-lifetime seconds
To restore the default time, use the no max-lsp-lifetime command.
Parameters
seconds The maximum lifetime of LSP in seconds. This value must be greater
than the lsp-refresh-interval command. The higher the
value the longer the LSPs are kept. The range is from 1 to 65535. The
default is 1200.
Defaults 1200 seconds
Command Modes ROUTER ISIS
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.11.1 Introduced on the Z9000.
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
lsp-refresh-interval — sets the link-state packet (LSP) refresh interval.
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