3Com Switch 7750 Configuration Guide Guide

532 CHAPTER 50: VRRP CONFIGURATION
Configuring Backup
Group-Related
Parameters
Table 406 lists the operations to configure a switch in a backup group.
Tabl e 405 Configure a virtual router IP address
Operation Command Description
Enter system view system-view -
Configure that the virtual IP
address can be pinged
vrrp ping-enable
Optional
By default, the virtual IP
address cannot be pinged.
Map the virtual router IP
address to a MAC address
vrrp method { real-mac |
virtual-mac }
Optional
By default, the virtual IP
address of a backup group is
mapped to a virtual router IP
address.
Create a VLAN vlan vlan-id
-
This operation creates the
VLAN to which the backup
group corresponds. The
vlan-id argument is the ID of
the VLAN.
Quit to system view quit -
Enter VLAN interface view
interface Vlan-interface
vlan-id
-
Configure a virtual router IP
address
vrrp vrid virtual-router-id
virtual-ip virtual-address
Optional
By default, no IP address is
configured for the virtual
router.
Tabl e 406 Configure backup group-related parameters
Operation Command Description
Enter system view system-view -
Create a VLAN vlan vlan-id -
Quit to system view quit -
Enter VLAN interface view
interface Vlan-interface
valn-id
-
Configure the priority of the
backup group
vrrp vrid virtual-router-id
priority priority
Optional
By default, the priority of a
backup group is 100.
Configure the preemptive
mode and delay period for the
backup group
vrrp vrid virtual-router-id
preempt-mode [ timer
delay delay-value ]
Optional
By default, a backup group
operates in the preemptive
mode.
Configure the authentication
type and authentication key
vrrp vrid virtual-router-id
authentication-mode
authentication-type
authentication-key
Optional
By default, a backup group
does not authenticate.
Configure the VRRP timer
vrrp vrid virtual-router-id
timer advertise
adver-interval
Optional
By default, the interval for the
master switch in a backup
group to send VRRP packets is
1 second.