To return to the default values, use the no lsp-mtu command.
Parameters
size The maximum LSP size, in bytes. The range is from 128 to
1497 for Non-Jumbo mode and from 128 to 9195 for Jumbo
mode. The default is 1497.
Defaults 1497 bytes.
Command
Modes
ROUTER ISIS
Command
History
Version 9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The link MTU and the LSP MTU size must be the same.
Because each device can generate a maximum of 255 LSPs, consider carefully
whether you use the lsp-mtu command.
lsp-refresh-interval
Set the link state PDU (LSP) refresh interval. LSPs must be refreshed before they expire. When the LSPs are
not refreshed after a refresh interval, they are kept in a database until their
max-lsp-lifetime reaches
zero and then LSPs is purged.
Syntax
lsp-refresh-interval seconds
To restore the default refresh interval, use the no lsp-refresh-interval
command.
Parameters
seconds The LSP refresh interval, in seconds. This value has to be less
than the seconds value specified with the max-lsp-
lifetime command. The range is from 1 to 65535 seconds.
The default is
900.
Defaults 900 seconds
Command
Modes
ROUTER ISIS
Command
History
Version 9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The refresh interval determines the rate at which route topology information is
transmitted preventing the information from becoming obsolete.
The refresh interval must be less than the LSP lifetime specified with the max-lsp-
lifetime command. A low value reduces the amount of time that undetected link
Intermediate System to Intermediate System (IS-IS)
819
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