显示端口配置

显示端口配置 Cat5001> (enable) show port Port Name Status Vlan Level Duplex Speed Type ---- -------------------- ---------- ---------- ------ ------ ----- ----------- 1/1 connected 1 normal half 100 100BaseTX 1/2 connected trunk normal half 100 100BaseTX 2/1 connecting 1 normal half 100 FDDI 2/2 connected 1 normal half 100 FDDI 4/1 inactive 2 normal half 10 10BaseT 4/2 inactive 2 normal half 10 10BaseT 4/3 inactive 2 normal half 10 10BaseT 4/4 notconnect 1 normal half 10 10BaseT 4/5 inactive 2 normal half 10 10BaseT 4/6 此时, VLAN 2 和VLAN 20 还未激活.所以在VLAN 2和VLAN 20的端口是inactive状态. -------------------------------------------------------------------------------- 设置VLAN 20 如果在网络里有VTP server和VTP clent,请在VTP server上设置VLAN 20 Cat5001> (enable) set vlan 20 VLAN 20 modified 这将激活在所有管理域cisco内的VLAN 20 Cat5001> (enable) sho vlan 20 VLAN Name Status Mod/Ports ---- -------------------------------- --------- ---------------------------- 20 VLAN0020 active 1/1 5/1-6 VLAN Type SAID MTU Parent RingNo BridgeNo Stp Trans1 Trans2 ---- ----- ---------- ----- ------ ------ -------- ---- ------ ------ 20 enet 100020 1500 - - - - 0 0 -------------------------------------------------------------------------------- 配置Router conf t interface FastEthernet0/0.1 <-- you need to create a sub-interface by vlan. encapsulation isl 20 <-- 20 is the vlan number. ip address 1.1.1.1 255.255.255.0 interface FastEthernet0/0.2 encapsulation isl 2 ip address 2.2.2.1 255.255.255.0 interface FastEthernet0/0.3 encapsulation isl 1 ip address 172.16.80.1 255.255.255.0 Router eigrp 666 network 1.0.0.0 network 2.0.0.0 network 172.16.80.0 end writ mem