Cisco Catalyst 3550

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Catalyst 3550 Multilayer Switch Command Reference
OL-8566-01
Chapter 2 Catalyst 3550 Switch Cisco IOS Commands
show interfaces
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Half-duplex, 100Mb/s
input flow-control is off, output flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:08, output hang never
Last clearing of "show interface" counters never
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
5 minute input rate 1000 bits/sec, 2 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
7122 packets input, 783062 bytes, 0 no buffer
Received 5137 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 input packets with dribble condition detected
9222 packets output, 2188728 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 1 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
This is an example of output from the show interfaces accounting command:
Switch# show interfaces accounting
Vlan1
Protocol Pkts In Chars In Pkts Out Chars Out
IP 1073 69828 325 31868
ARP 6 384 2 120
Vlan10
Protocol Pkts In Chars In Pkts Out Chars Out
No traffic sent or received on this interface.
GigabitEthernet0/1
Protocol Pkts In Chars In Pkts Out Chars Out
Spanning Tree 8 480 326 19560
CDP 28 10920 29 11513
GigabitEthernet0/2
Protocol Pkts In Chars In Pkts Out Chars Out
No traffic sent or received on this interface.
GigabitEthernet0/3
Protocol Pkts In Chars In Pkts Out Chars Out
No traffic sent or received on this interface.
<output truncated>
This is an example of output from the show interfaces capabilities command:
Switch# show interfaces fastethernet0/1 capabilities
FastEthernet0/1
Model: WS-C3550G-48-EI
Type: 10/100BaseTX
Speed: 10,100,auto
Duplex: half,full,auto
UDLD: yes
Trunk encap. type: 802.1Q
Trunk mode: on,off,desirable,nonegotiate
Channel: yes
Broadcast suppression: percentage(0-100)
Flowcontrol: rx-(none),tx-(none)
Fast Start: yes
CoS rewrite: yes
ToS rewrite: yes
Inline power: no
SPAN: source/destination
PortSecure: Yes
Dot1x: Yes