Lsp-Mtu; Lsp-Refresh-Interval - Dell Force10 Z9000 Reference Manual

lsp-mtu

Set the maximum transmission unit (MTU) of IS-IS link-state packets (LSPs). This command only limits the size of LSPs
generated by this router.
E-Series, S4810
Syntax lsp-mtu size
To return to the default values, use the no lsp-mtu command.
Parameters
size
Defaults 1497 bytes.
Command Modes ROUTER ISIS
Command History
Version 8.3.12.0
Version 7.5.1.0
Usage
The link MTU and the LSP MTU size must be the same.
Information
Because each device can generate a maximum of 255 LSPs, consider carefully whether you
should configure 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.
E-Series, S4810
Syntax lsp-refresh-interval seconds
To restore the default refresh interval, use the no lsp-refresh-interval command.
Parameters
seconds
Defaults 900 seconds
Command Modes ROUTER ISIS
Command History
Version 8.3.12.0
884
The maximum LSP size, in bytes. The range is 128 to 1497 for Non-
Jumbo mode and 128 to 9195 for Jumbo mode. The default is 1497.
Introduced on the S4810.
Added support for LSP Throttling Enhancement.
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 1 to 65535 seconds. The default is 900.
Introduced on the S4810.