Reference Guide

are no triggers for two times the maximum interval, fast behavior is restored (the
initial wait time).
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.
C9000 Series
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,
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 Description
9.9(0.0) Introduced on the C9010.
9.8(0.0) Introduced on the S3048-ON and S4048-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.
1020
Intermediate System to Intermediate System (IS-IS)