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
Port Vlans pruned for lack of request by neighbor
Gi0/1 3,4
Port Vlans traffic requested of neighbor
Gi0/1 1-3
This is an example of output from the show interfaces stats command for a specified interface:
Switch# show interface gigabitethernet0/1 stats
GigabitEthernet0/1
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 7790 1122034 23 1938
Route cache 0 0 0 0
Total 7790 1122034 23 1938
This is an example of output from the show interfaces status command. It displays the status of all
interfaces.
Switch# show interfaces status
Port Name Status Vlan Duplex Speed Type
Gi0/1 CubeA connected 1 a-full a-100 10/100/1000Base TX
Gi0/2 CubeC notconnect 1 auto auto 10/100/1000Base TX
Gi0/3 CubeE disabled 1 auto auto 10/100/1000Base TX
Gi0/4 CubeG notconnect 1 auto auto 10/100/1000Base TX
Gi0/5 CubeI notconnect routed auto auto 10/100/1000Base TX
Gi0/6 CubeK notconnect routed auto auto 10/100/1000Base TX
Gi0/7 CubeM notconnect 1 auto auto 10/100/1000Base TX
This is an example of output from the show interfaces status err-disabled command. It displays the
status of interfaces in error-disabled state.
Switch# show interfaces status err-disabled
Port Name Status Reason
Gi0/4 notconnect link-flap
informational error message when the timer expires on a cause
--------------------------------------------------------------
5d04h:%PM-SP-4-ERR_RECOVER:Attempting to recover from link-flap err-disable state on Gi0/4
This is an example of output from the show interfaces switchport command for a single interface.
Table 2-21 describes the fields in the display.
Switch# show interfaces gigabitethernet1/0/1 switchport
Name: Gi1/0/1
Switchport: Enabled
Administrative Mode: dynamic auto
Operational Mode: static access
Administrative Trunking Encapsulation: negotiate
Operational Trunking Encapsulation: native
Negotiation of Trunking: On
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Voice VLAN: none
Trunking VLANs Enabled: ALL
Pruning VLANs Enabled: 2-1001
Capture Mode Disabled
Capture VLANs Allowed: ALL
Protected: false
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled