CLI Guide

Usage Information IS-IS hellos are padded to the full maximum transmission unit (MTU) size. Padding

IS-IS Hellos (IIHS) to the full MTU provides early error detection of large frame

transmission problems or mismatched MTUs on adjacent interfaces.

Commands

• isis hello padding — turn ON or OFF hello padding on an interface basis.

hostname dynamic

Enables dynamic learning of hostnames from routers in the domain and allows the routers to advertise

the hostname in LSPs.

Syntax

hostname dynamic

To disable this command, use the no hostname dynamic command.

Defaults Enabled.

Command Modes ROUTER ISIS

Command History

This guide is platform-specific. For command information about other platforms,

see the relevant Dell Networking OS Command Line Reference Guide.

Version Description

9.8(2.0) Introduced on the S3100 series.

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.

Usage Information To build name-to-systemID mapping tables through the protocol, use this

command. All show commands that display systems also display the hostname.

Commands

• clns host — define a name-to-NSAP mapping.

978

Intermediate System to Intermediate System (IS-IS)