Command Reference Guide

3Com Router 5000 Family and Router 6000 Family dlsw ethernet-backup enable ● 93
Command Reference
dlsw ethernet-backup enable
Purpose Use the dlsw ethernet-backup enable command to enable DLSw Ethernet
redundancy.
Use the
undo dlsw ethernet-backup enable command to disable DLSw
Ethernet redundancy.
Syntax dlsw ethernet-backup enable multicast-mac-address [ priority value ]
undo dlsw ethernet-backup enable
Parameters multicast-mac-address
Multicast address used by the DLSw Ethernet
redundancy software for master router election. It
takes the format of xxxx-xxxx-xxxx in Ethernet order.
priority value
Priority for master router election. It is in the range 1 to
254 and defaults to 100. The smaller the priority value,
the higher the priority.
Example Enable DLSw Ethernet redundancy.
[3Com ] interface ethernet 1/0/0
[3Com -Ethernet1/0/0] dlsw ethernet-backup enable 9999-9999-9999
priority 10
View This command can be used in the following views:
■ Ethernet Interface view
Description Once you configure the dlsw ethernet-backup enable command on an
Ethernet interface, the interface starts to send frames to the multicast destination
address specified in the command.
For routers with the same priority, the one with the smallest MAC address is elected
as the master router.