一.要求1：VLAN10，VLAN30，VLAN20和VLAN40位于同一个交换机；2：VLAN10和VLAN30 的主网关与VLAN20和VLAN40的主网关不同；3：网络存在冗余功能。4：所有VL
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一.要求
1：VLAN10，VLAN30，VLAN20和VLAN40位于同一个交换机；
2：VLAN10和VLAN30 的主网关与VLAN20和VLAN40的主网关不同；
3：网络存在冗余功能。
4：所有VLAN都可以访问外部网络。
二.拓扑图
三.配置
PC1 :IP 192.168.10.1/24 网关192.168.10.254
PC2 :IP 192.168.20.1/24 网关192.168.20.254
PC3 :IP 192.168.30.1/24 网关192.168.30.254
PC4 :IP 192.168.40.1/24 网关192.168.40.254
SWITCH3
sys
sys sw3
vlan batch 10 20 30 40 100 200
int g0/0/1
port link-type access
port default vlan 10
int g0/0/2
port link-type access
port default vlan 20
int g0/0/3
port link-type access
port default vlan 30
int g0/0/4
port link-type access
port default vlan 40
int g0/0/11
port link-type trunk
port trunk allow-pass vlan all
int g0/0/12
port link-type trunk
port trunk allow-pass vlan all
SWITCH1
sys
sys sw1
vlan batch 10 20 30 40 100 200
int g0/0/1
port link-type trunk
port trunk allow-pass vlan all
int g0/0/2
port link-type access
port default vlan 100
int vlanif 100
ip addr 192.168.100.254 24
int vlanif 10
ip addr 192.168.10.253 24
vrrp vrid 10 virtual-ip 192.168.10.254
vrrp vrid 10 pri 200
vrrp vrid 10 track interface g0/0/2 reduced 110
int vlanif 30
ip addr 192.168.30.253 24
vrrp vrid 30 virtual-ip 192.168.30.254
vrrp vrid 30 pri 200
vrrp vrid 30 track interface g0/0/2 reduced 110
int vlanif 20
ip addr 192.168.20.252 24
vrrp vrid 20 virtual-ip 192.168.20.254
vrrp vrid 20 pri 100
int vlanif 40
ip addr 192.168.40.252 24
vrrp vrid 40 virtual-ip 192.168.40.254
vrrp vrid 40 pri 100
q
ip route- 0.0.0.0 0.0.0.0 192.168.100.1
SWITCH2
sys
sys sw2
vlan batch 10 20 30 40 100 200
int g0/0/1
port link-type trunk
port trunk allow-pass vlan all
int g0/0/2
port link-type access
port default vlan 200
int vlanif 200
ip addr 192.168.200.254 24
int vlanif 10
ip addr 192.168.10.252 24
vrrp vrid 10 virtual-ip 192.168.10.254
vrrp vrid 10 pri 100
int vlanif 30
ip addr 192.168.30.252 24
vrrp vrid 30 virtual-ip 192.168.30.254
vrrp vrid 30 pri 100
int vlanif 20
ip addr 192.168.20.253 24
vrrp vrid 20 virtual-ip 192.168.20.254
vrrp vrid 20 pri 200
vrrp vrid 20 track interface g0/0/2 reduced 110
int vlanif 40
ip addr 192.168.40.253 24
vrrp vrid 40 virtual-ip 192.168.40.254
vrrp vrid 40 pri 200
vrrp vrid 40 track interface g0/0/2 reduced 110
q
ip route- 0.0.0.0 0.0.0.0 192.168.200.1
r1
sys
sys r1
int g0/0/0
ip addr 192.168.100.1 24
int g0/0/1
ip addr 192.168.200.1 24
int g2/0/0
ip addr 1.1.1.1 24
q
ip route- 192.168.10.0 24 192.168.100.254
ip route- 192.168.30.0 24 192.168.100.254
ip route- 192.168.20.0 24 192.168.100.254 preference 100
ip route- 192.168.40.0 24 192.168.100.254 preference 100
ip route- 192.168.10.0 24 192.168.200.254 preference 100
ip route- 192.168.30.0 24 192.168.200.254 preference 100
ip route- 192.168.20.0 24 192.168.200.254
ip route- 192.168.40.0 24 192.168.200.254
四.验证
PC1连同外网，且抓包，只走一侧链路。
关闭通的上行接口，PC1连同外网，抓包，走另一侧链路。
PC2连同外网，且抓包，只走一侧链路。
关闭通的上行接口，PC1连同外网，抓包，走另一侧链路。
