Dell Command Line Reference Guide for the S4048–ON System 9.14.2.5

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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 512 to 16000 for Non-Jumbo mode and from 128 to 9195 for Jumbo mode. The default is 1497.
NOTE: The appropriate interface circuit is brought down and removed.
Defaults
1497 bytes.
Command Modes
ROUTER ISIS
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100–ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000-ON.
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

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.


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