Administrator Guide

Version Description
9.9(0.0) Introduced on the C9010.
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
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.
C9000 Series
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 Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
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.
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.
844 Intermediate System to Intermediate System (IS-IS)