VRRP的优先级

1、VRRP的虚IP 必须和实IP在同一个网段。
2、VRRP的虚IP和实IP相同时VRRP的优先级最高为255，如果VRRP的优先级手工配置的话为1-254.
3、VRRP的虚IP和实IP相同。 VRRP的虚拟Mac地址是 0000 5e00 01xx 。其中XX代表组号。

r1#show run int eth1/0
Building configuration...


Current configuration : 97 bytes
!
interface Ethernet1/0
 ip address 10.0.0.1 255.255.255.0
 duplex half
 vrrp 1 ip 10.0.0.1
end


r1#show vrrp 
Ethernet1/0 - Group 1  
  State is Master  
  Virtual IP address is 10.0.0.1
  Virtual MAC address is 0000.5e00.0101
  Advertisement interval is 1.000 sec
  Preemption enabled
  Priority is 255 
  Master Router is 10.0.0.1 (local), priority is 255 
  Master Advertisement interval is 1.000 sec
  Master Down interval is 3.003 sec


r1#conf t
r1#conf terminal 
Enter configuration commands, one per line.  End with CNTL/Z.
r1(config)#int eth1/0
r1(config-if)#vrrp 1 pri
r1(config-if)#vrrp 1 priority ?
  <1-254>  Priority level


r1(config-if)#