三层交换VLAN路由配置技巧解析

    pc1配置：

    no ip routing

    interface fastethernet0/0

    ip address 172.16.20.254 255.255.255.0

    no shutdown

    pc2配置：

    no ip routing

    interface fastethernet0/0

    ip address 172.16.30.254 255.255.255.0

    no shutdown

 

    switch配置：

    ip routing

    interface fastethernet0/1

    switchport access vlan 20

    no ip address

    !

    interface fastethernet0/2

    switchport access vlan 30

    no ip address

    !

    vlan database

    vlan 20

    vlan 30

    exit

    !

    interface vlan20

    ip address 172.16.20.1 255.255.255.0

    no shutdown

    !

    interface vlan30

    ip address 172.16.30.1 255.255.255.0

    no shutdown

    ===========================

    验证：

    pc1#ping 172.16.30.254 type escape sequence to abort. sending 5, 100-byte icmp echos to 172.16.30.254, timeout is 2 seconds: !!!!! success rate is 100 percent (5/5), round-trip min/avg/max = 44/100/196 ms

    pc2#ping 172.16.20.254 type escape sequence to abort. sending 5, 100-byte icmp echos to 172.16.20.254, timeout is 2 seconds: !!!!! success rate is 100 percent (5/5), round-trip min/avg/max = 56/80/120 ms