Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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lsp-mtu

Set the maximum transmission unit (MTU) of IS-IS link-state packets (LSPs). This command only limits the size of LSPs this router generates.

Syntax

lsp-mtu size

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

Supported Modes

Full–Switch

Command History

Version	Description
9.9(0.0)	Introduced on the FN IOM.
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.