Configuring Vrrp Packet Attributes - 3Com MSR 50 Series Configuration Manual

Configuring VRRP Packet
Attributes
Displaying and
Maintaining VRRP for
The priority of a device is restored automatically if the state of the interface
■
under tracking changes from down to up.
The priority of a device is restored automatically if the state of a Track object
■
changes from negative to positive.
Configuration prerequisites
Before configuring the relevant attributes of VRRP packets, you should first create
the standby group and configure the virtual IP address.
Configuration procedure
Follow these steps to configure VRRP packet attributes:
To do...
Enter system view
Enter the specified interface
view
Configure the authentication
mode and authentication key
when the standby groups
send and receive VRRP
packets
Configure the time interval for
the Master in the standby
group to send VRRP
advertisement
Disable TTL check on VRRP
packets
You may configure different authentication modes and authentication keys for the
standby groups on an interface. However, the members of the same standby
group must use the same authentication mode and authentication key.
Factors like excessive traffic or different timer setting on routers can cause the
Backup timer to time-out abnormally and trigger a change of the state. To solve
this problem, you can prolong the time interval to send VRRP packets and
configure a preemption delay.
To do...
IPv4
Display VRRP status
Display VRRP
statistics
Remove VRRP
statistics
Use the command...
system-view
interface interface-type
interface-number
vrrp vrid virtual-router-id
authentication-mode { md5
| simple } key
vrrp vrid virtual-router-id
timer advertise
adver-interval
vrrp un-check ttl
Use the command...
display vrrp [ verbose ] [ interface
interface-type interface-number [ vrid
virtual-router-id ] ]
display vrrp statistics [ interface
interface-type interface-number [ vrid
virtual-router-id ] ]
reset vrrp statistics [ interface
interface-type interface-number [ vrid
virtual-router-id ] ]
Configuring VRRP for IPv4
Remarks
-
-
Optional
Authentication is not
performed by default
Optional
1 second by default
Optional
Enabled by default
Do not create a standby
group before executing this
command.
Remarks
Available in any view
Available in any view
Available in user view
1983