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FastEthernet 0/ FastEthernet 0/0 no address YES DOWNFastEthernet 0/ FastEthernet 0/ FastEthernet 0/ FastEthernet 0/1 FastEthernet 0/ no address YES DOWNFastEthernet 0/2 RouterAcon tEnter configuration mands, one per line. End with CNTL/Z.RouterA(config)int s3/0RouterA(configifSerial 3/0)no ip% Inplete mand.RouterA(configifSerial 3/0)no ip addRouterA(configifSerial 3/0)exitRouterA(config)int sRouterA(config)int serial 4/0RouterA(configifSerial 4/0)no ipRouterA(configifSerial 4/0)no ip aRouterA(configifSerial 4/0)no ip addRouterA(configifSerial 4/0)no ip addressRouterA(configifSerial 4/0)exitRouterA(config)no f0/ ^ % Invalid input detected at 39。^39。 marker.RouterA(config)no f0/ ^ % Invalid input detected at 39。^39。 marker.RouterA(config)int s0/ ^ % Invalid input detected at 39。^39。 marker.RouterA(config)show ip int bInterface IPAddress(Pri) OK? StatusSerial 3/0 no address YES DOWNSerial 4/0 no address YES DOWNFastEthernet 0/ FastEthernet 0/0 no address YES DOWNFastEthernet 0/ FastEthernet 0/ FastEthernet 0/ FastEthernet 0/1 FastEthernet 0/ no address YES DOWNFastEthernet 0/2 RouterA(config)int f0/RouterA(configsubif)no ip addRouterA(configsubif)exitRouterA(config)int f0/RouterA(configsubif)no ip addRouterA(configsubif)exitRouterA(config)exitRouterA*Jun 15 15:54:24: %SYS5CONFIG_I: Configured from console by consoleRouterAshow ip int bInterface IPAddress(Pri) OK? StatusSerial 3/0 no address YES DOWNSerial 4/0 no address YES DOWNFastEthernet 0/ FastEthernet 0/0 no address YES DOWNFastEthernet 0/ FastEthernet 0/ no address YES DOWNFastEthernet 0/ no address YES DOWNFastEthernet 0/1 FastEthernet 0/ no address YES DOWNFastEthernet 0/2 RouterAcon tEnter configuration mands, one per line. End with CNTL/Z.RouterA(config)int f0/RouterA(configsubif)no ip addRouterA(configsubif)exitRouterA(config)show ip int g% Inplete mand.RouterA(config)show ip int bInterface IPAddress(Pri) OK? StatusSerial 3/0 no address YES DOWNSerial 4/0 no address YES DOWNFastEthernet 0/ no address YES DOWNFastEthernet 0/0 no address YES DOWNFastEthernet 0/ FastEthernet 0/ no address YES DOWNFastEthernet 0/ no address YES DOWNFastEthernet 0/1 FastEthernet 0/ no address YES DOWNFastEthernet 0/2 RouterA(config)no int f0/RouterA(config)no int f0/RouterA(config)no int f0/RouterA(config)no int f0/% Removal of physical interfaces is not permittedRouterA(config)no int f0/RouterA(config)no int f0/RouterA(config)show int b ^ % Invalid input detected at 39。^39。 marker.RouterA(config)show ip int bInterface IPAddress(Pri) OK? StatusSerial 3/0 no address YES DOWNSerial 4/0 no address YES DOWNFastEthernet 0/0 no address YES DOWNFastEthernet 0/1