 which shows the pertinent information for interfaces, looks like this: Switch-IOS#sho int g3/1 GigabitEthernet3/1 is up, line protocol is up (connected) Hardware is C6k 1000Mb 802.3, address is 0015.6356.62bc (bia 0015.6356.62bc) Description: Web-1-E1 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Full-duplex, 1000Mb/s input flow-control is off, output flow-control is on Clock mode is auto ARP type: ARPA, ARP Timeout 04:00:00 Last input never, output 00:00:47, output hang never Last clearing of "show interface" counters never Input queue: 0/2000/2/0 (size/max/drops/flushes) Total output drops: 2 CatOS Versus IOS Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 456000 bits/sec, 91 packets/sec minute output rate 110000 bits/sec, 81 packets/sec 714351663 packets input, 405552413403 bytes, 0 no buffer Received 15294 broadcasts, 0 runts, 0 giants, 0 throttles 2 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 input packets with dribble condition detected 656796418 packets output, 97781644875 bytes, 0 underruns 2 output errors, 0 collisions, 2 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out The output from the CatOS command show port port# is much easier to read, especially when you're glancing quickly for a specific tidbit of information. The tradeoff is that the command provides less information than the IOS version: Switch-Catos: (enable) sho port 3/1 * = Configured MAC Address Port Name Status Duplex Speed Type 3/1 Web-1-E1 connected 20 auto auto 10/100BaseTX Port AuxiliaryVlan AuxVlan-Status InlinePowered PowerAllocated Admin Oper Detected mWatt mA @42V 3/1 none Port Security Violation Shutdown-Time Age-Time Max-Addr Trap IfIndex 3/1 disabled shutdown 1 disabled Port Num-Addr Secure-Src-Addr Age-Left Last-Src-Addr Shutdown/Time-Left Port Flooding on Address Limit Enabled -More- Many people prefer the output of 