Reference Guide

1484 | Virtual Link Trunking (VLT)
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IGMP Info Pkts Rcvd: 1
IGMP Reg Request sent: 1
IGMP Reg Request rcvd: 2
IGMP Reg Response sent: 1
IGMP Reg Response rcvd: 1
IGMP PDU Tunnel Pkt sent:5
IGMP PDU Tunnel Pkt rcvd:10
IGMP Tunnel PDUs sent: 10
IGMP Tunnel PDUs rcvd: 19
Command
History
system-mac
Configure the MAC address for the VLT domain on a VLT peer switch.
Syntax
system-mac mac-address
Parameters
Defaults
Automatically assigned based on the primary priority and MAC address of each VLT peer.
Command Modes
VLT DOMAIN
Usage
Information
When you create a VLT domain on a switch, the FTOS software automatically creates a
VLT-system MAC address used for internal system operations. Use the system-mac
command to explicitly define the MAC address for the domain. You must also reconfigure the
same MAC address on the VLT peer switch.
Use this command to minimize the time required for the VLT system to synchronize the
default MAC address of the VLT domain on both peer switches when one peer switch
reboots.
Command
History
unit-id
Explicitly configure the default unit ID of a VLT peer switch.
Syntax
unit-id [0 | 1]
Parameters
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.
Version 8.3.12.0 Introduced on S4810
mac-address
Enter a MAC address in the format aaaa.bbbb.cccc.
Version 8.3.8.0 Introduced on S4810
0 | 1
Configure the default unit ID of a VLT peer switch. Enter 0 for a unit with a lower
MAC address or enter 1 for a unit with a higher MAC address.