Cisco接口编号规则 Serial 0/0 Serial 0/1 Serial 1/3 Ethernet 0/0 Serial 1/2 Serial 1/0 Ethernet 0/1 Serial 1/1 FastEthernet 0/0 FastEthernet 0/1Cisco接口编号规则 Serial 0/1 Serial 0/0 Serial 1/0 Serial 1/1 Serial 1/2 Serial 1/3 Ethernet 0/0 Ethernet 0/1 FastEthernet 0/0 FastEthernet 0/1