Administrator Guide

Table Of Contents
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.
Z9000
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
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 9.0.2.0 Introduced on the S6000.
Version
8.3.19.0
Introduced on the S4820T.
Version
8.3.12.0
Introduced on the S4810.
Version 8.3.11.1 Introduced on the Z9000.
Version 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.
Intermediate System to Intermediate System (IS-IS)
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