command to explicitly configure the unit ID of a VLT peer. You must configure a different unit ID 
(0 or 1) on each peer switch.
Use this command to minimize the time required for the VLT system to determine the unit ID 
assigned to each peer switch when one peer reboots.
vlt domain
Enable VLT on a switch, configure a VLT domain, and enter VLT-domain configuration mode.
Z-Series, S4810
Syntax
vlt domain domain-id
Parameters
domain-id
Enter the Domain ID number. You must configure the same domain ID 
on the peer switch. The range of domain IDs is 1 to 1000.
Command Modes CONFIGURATION
Command History
Version 9.0.0.0 Introduced on the Z9000.
Version 8.3.8.0 Introduced on the S4810.
Usage 
Information
The VLT domain ID must be the same between the two VLT devices. If the domain ID is not the 
same, a syslog message is generated and VLT does not launch.
Related 
Commands
show vlt – uses the show vlt brief command to display the delay-restore value.
vlt-peer-lag port-channel
Associate the port channel to the corresponding port channel in the VLT peer for the VLT connection to an attached 
device.
Z-Series, S4810
Syntax
vlt-peer-lag port-channel id-number
Parameters
id-number
Enter the respective vlt port-channel number of the peer device.
Defaults Not configured.
Command Modes INTERFACE PORT-CHANNEL
Command History
Version 9.0.0.0 Introduced on the Z9000.
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