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

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unit-id

Configure the default unit ID of a VLT peer switch.

Syntax
unit-id [0 | 1]
Parameters
0 | 1
Configure the default unit ID of a VLT peer switch. Enter 0 for the first peer. Enter 1 for the second peer.
Defaults
Automatically assigned based on the MAC address of each VLT peer. The peer with the lower MAC address is assigned unit 0; the peer with the higher MAC address is assigned unit 1.
Command Modes
VLT DOMAIN
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.
9.8(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.
9.2(0.0)
Introduced on the M I/O Aggregator. This command is supported in Programmable-Mux (PMUX) mode only.
9.0.2.0
Introduced on the S6000.
9.0.0.0
Introduced on the Z9000.
8.3.19.0
Introduced on the S4820T.
8.3.8.0
Introduced on the S4810.
Usage Information

When you create a VLT domain on a switch, the Dell EMC Networking OS automatically assigns a unique unit ID (0 or 1) to each peer switch. The unit IDs are used for internal system operations. To explicitly configure the unit ID of a VLT peer, use the unit-id command. Configure a different unit ID (0 or 1) on each peer switch.

This command minimizes the time required for the VLT system to determine the unit ID assigned to each peer switch when one peer reboots.


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