3com 5500-SI Manual Do Utilizador

C

HAPTER

 12: VRRP C

ONFIGURATION

Table 138 lists the operations to configure a switch in a backup group.

Configure a virtual 
router IP address

vrrp vrid virtual-router-ID 
virtual-ip virtual-address

Optional
virtual-router-ID: VRRP backup group 
ID.

virtual-address: Virtual router IP 
address to be configured.

Table 137   Configure a virtual router IP address (continued)

Table 138   Configure backup group-related parameters

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
virtual-router-ID: Backup group ID

priority: Priority value

Configure the 
preemptive mode and 
delay period for the 
backup group

vrrp vrid virtual-router-ID 
preempt-mode [ timer delay 
delay-value ]

Optional
virtual-router-ID: Backup group ID

delay-value: Delay value (in seconds)

By default, a backup group operates 
in the preemptive mode.

Configure the 
authentication type 
and authentication key

vrrp authentication-mode 
authentication-type 
authentication-key

Optional
The value of the authentication-type 
argument can be:

n

simple: Specifies to authenticate 
using plain text.

n

md5: Performs AH 
authentication using MD5 
algorithm.

authentication-key: Authentication 
key. A string comprising of up to 8 
characters or a 24-character 
encrypted string.

Configure the VRRP 
timer

vrrp vrid virtual-router-ID timer 
advertise adver-interval

Optional
adver-interval: Interval (in seconds) 
for the master switch in a backup 
group to send VRRP packets.

Specify the interface to 
be tracked

vrrp vrid virtual-router-ID track 
vlan-interface vlan-id [ reduced 
value-reduced ]

Optional
value-reduced: Value by which the 
priority is to be reduced.