User's Manual

Table Of Contents
501
Users Manual of CS-6306R
49.3.3.6 Configuring the Preemption Mode
Command Purpose
[no] vrrp group-numberpreempt
[delay<1-254>]
Sets the preemption mode.
49.3.3.7 Configuring the Privilege for Tracking Other Ports
Command Purpose
[no] vrrpgroup-numbertrack typenumber [interface-priority]
Configures the privilege for tracking other
ports, enabling the VRRP privilege to vary with
the state change of the tracked port. When the
tracked port invalidates, the VRRP privilege
decreases; when the tracked port resumes
effective, the VRRP privilege increases.
49.3.3.8 Configuring the Authentication String
Command Purpose
[no] vrrpgroup-numberauthenticationstring
Selects an authentication string, which is used to authenticate
other routers in the same group when the backup protocol
packet exchanges.
49.3.3.9 Monitoring and Maintaining VRRP
Command Purpose
show vrrp [interfaceinterface-number] brief | detail
Displays the running state of the current VRRP.
debug vrrp [interface
interface-numbergroup-number] all | packets | events
| errors
Debugs three kinds of VRRP events.
49.3.4 VRRP Configuration Example
In the following network topology, two subnets in a same network use their own gateways (gateway A and
gateway B) respectively to access the Internet, but gateway A and gateway B are standby ones each other.
When one gateway (one router) breaks down, the other will work for the two subnets.
Group 3
vip: 100.1.1.30
vmac: 00:00:5e:00:01:03
e1/1.1
e1/1.1
e2/1
e2/1
A
B
Host Tom
Host John
e1/1.2
e1/1.2
Group 6
vip: 200.1.1.30
vmac: 00:00:5e:00:01:06
F0/23
F0/22
F0/20
F0/21
vrrp
Figure 3-2 Simple VRRP application topology