问题描述：
如图R4 R5路由器之间可以ping通，但是不能形成备份，状态都是master
[RT4] DIS VRRP
IPv4 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface VRID State Run Adver Auth Virtual
Pri Timer Type IP
---------------------------------------------------------------------
GE0/0/0 1 Master 120 1 Simple 10.189.185.1
[RT4]DIS VRRP S
[RT4]DIS VRRP statistics
Interface : GigabitEthernet0/0/0
VRID : 1
CheckSum Errors : 0 Version Errors : 0
Invalid Type Pkts Rcvd : 0 Advertisement Interval Errors : 0
IP TTL Errors : 0 Auth Failures : 0
Invalid Auth Type : 0 Auth Type Mismatch : 0
Packet Length Errors : 0 Address List Errors : 0
Become Master : 1 Priority Zero Pkts Rcvd : 0
Adver Rcvd : 0 Priority Zero Pkts Sent : 0
Adver Sent : 2599
Global statistics
CheckSum Errors : 0
Version Errors : 0
VRID Errors : 0
<RT5> DIS VRRP
IPv4 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface VRID State Run Adver Auth Virtual
Pri Timer Type IP
---------------------------------------------------------------------
GE0/0/0 1 Master 100 1 Simple 10.189.185.1
<RT5>DIS VRRP S
<RT5>DIS VRRP statistics
Interface : GigabitEthernet0/0/0
VRID : 1
CheckSum Errors : 0 Version Errors : 0
Invalid Type Pkts Rcvd : 0 Advertisement Interval Errors : 0
IP TTL Errors : 0 Auth Failures : 0
Invalid Auth Type : 0 Auth Type Mismatch : 0
Packet Length Errors : 0 Address List Errors : 0
Become Master : 1 Priority Zero Pkts Rcvd : 0
Adver Rcvd : 0 Priority Zero Pkts Sent : 0
Adver Sent : 2630
Global statistics
CheckSum Errors : 0
Version Errors : 0
VRID Errors : 0
[RT4]ping -a 10.189.185.2 10.189.185.3
PING 10.189.185.3: 56 data bytes, press CTRL_C to break
Request time out
Reply from 10.189.185.3: bytes=56 Sequence=2 ttl=253 time=10 ms
Reply from 10.189.185.3: bytes=56 Sequence=3 ttl=253 time=1 ms
Request time out
Reply from 10.189.185.3: bytes=56 Sequence=5 ttl=253 time=1 ms
--- 10.189.185.3 ping statistics ---
5 packet(s) transmitted
3 packet(s) received
40.00% packet loss
round-trip min/avg/max = 1/4/10 ms
组网及组网描述：
RT4]DIS CU
sysname RT4
#
interface GigabitEthernet0/0/0
port link-mode route
ip address 10.189.185.2 255.255.255.240
vrrp vrid 1 virtual-ip 10.189.185.1
vrrp vrid 1 priority 120
vrrp vrid 1 preempt-mode timer delay 20
vrrp vrid 1 track interface GigabitEthernet0/0/2 reduced 50
vrrp vrid 1 authentication-mode simple 123
ip route-static 10.189.185.3 255.255.255.255 10.189.185.9
#
sysname RT5
interface GigabitEthernet0/0/0
port link-mode route
ip address 10.189.185.3 255.255.255.240
vrrp vrid 1 virtual-ip 10.189.185.1
vrrp vrid 1 preempt-mode timer delay 20
vrrp vrid 1 track interface GigabitEthernet0/0/2 reduced 50
vrrp vrid 1 authentication-mode simple 123
#
ip route-static 10.189.185.2 255.255.255.255 10.189.185.10
<SW1>
#Jul 27 11:03:06:139
#
sysname SW1
#
ip ttl-expires enable
ip unreachables enable
interface GigabitEthernet0/0/0
port link-mode route
ip address 10.189.185.9 255.255.255.240
#
interface GigabitEthernet0/0/1
port link-mode route
ip address 10.0.0.1 255.255.255.0
#
ip route-static 0.0.0.0 0.0.0.0 10.189.185.1
ip route-static 10.189.185.0 255.255.255.252 10.189.185.2
ip route-static 10.189.185.0 255.255.255.252 10.0.0.2
sysname SW2
#
ip ttl-expires enable
ip unreachables enable
interface GigabitEthernet0/0/0
port link-mode route
ip address 10.189.185.10 255.255.255.240
#
interface GigabitEthernet0/0/1
port link-mode route
ip address 10.0.0.2 255.255.255.0
#
#
ip route-static 0.0.0.0 0.0.0.0 10.189.185.1
ip route-static 10.189.185.0 255.255.255.252 10.189.185.3
ip route-static 10.189.185.0 255.255.255.252 10.0.0.1
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最佳答案
已采纳 风干工程师肉干要不要 风干工程师肉干要不要 九段 粉丝：137人 关注：5人VRRP报文是二层的，两台88之间要二层互通，你中间交换机都是三层口，VRRP肯定起不来呀
SR8805（vrrp master）------vlan1(bridge) SW1 vlan1(bridge) -------vlan1(bridge) SW2 vlan1(bridge) -------SR8805（vrrp backup）
(0)
能不能说下，怎么修改啊，我是把两台交换机相连链路改成二层链路？
小白求帮忙 发表时间：两台88之间二层互通就行了，VRRP通报报文是组播报文，组播报文是跨三层的，我在回答中补充一下
风干工程师肉干要不要 发表时间：
如果是主接口启VRRP，那么下面交换机需要二层access口透传。
最简单的方法：把两台路由器直接用网线连起来看看状态是否正常。
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回复xxx [x],两台路由器SR8805做vrrp，路由器之间通过两台交换机相连版权声明：本文内容源于互联网搬运整理，仅限于小范围内传播学习和文献参考，不代表本站观点，请在下载后24小时内删除，如果有侵权之处请第一时间联系我们删除。敬请谅解! E-mail：c#seox.cn（#修改为@）
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