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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
show interfaces
This is an example of output from the show interfaces interface-id pruning command when pruning is
enabled in the VTP domain:
Switch# show interfaces gigibitethernet1/0/2 pruning
Port Vlans pruned for lack of request by neighbor
Gi1/0/2 3,4
Port Vlans traffic requested of neighbor
Gi1/0/2 1-3
This is an example of output from the show interfaces stats command for a specified VLAN interface.
Switch# show interfaces vlan 1 stats
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 1165354 136205310 570800 91731594
Route cache 0 0 0 0
Total 1165354 136205310 570800 91731594
This is an example of partial 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
Fa1/0/1 connected routed a-half a-100 10/100BaseTX
Fa1/0/2 notconnect 121,40 auto auto 10/100BaseTX
Fa1/0/3 notconnect 1 auto auto 10/100BaseTX
Fa1/0/4 notconnect 18 auto auto Not Present
Fa1/0/5 connected 121 a-full a-1000 10/100BaseTX
Fa1/0/6 connected 122,11 a-full a-1000 10/100BaseTX
<output truncated>
Gi1/0/1 notconnect 1 auto auto 10/100/1000BaseTX
Gi1/0/2 notconnect 1 auto auto unsupported
These are examples of output from the show interfaces status command for a specific interface when
private VLANs are configured. Port 22 is configured as a private-VLAN host port. It is associated with
primary VLAN 20 and secondary VLAN 25.
Switch# show interfaces fastethernet1/0/22 status
Port Name Status Vlan Duplex Speed Type
Fa1/0/22 connected 20,25 a-full a-100 10/100BaseTX
In this example, port 20 is configured as a private-VLAN promiscuous port. The display shows only the
primary VLAN 20.
Switch# show interfaces fastethernet1/0/20 status
Port Name Status Vlan Duplex Speed Type
Fa1/0/20 connected 20 a-full a-100 10/100BaseTX
This is an example of output from the show interfaces status err-disabled command. It displays the
status of interfaces in the error-disabled state.
Switch# show interfaces status err-disabled
Port Name Status Reason
Gi2/0/26 err-disabled gbic-invalid
This is an example of output from the show interfaces switchport command for a port. Table 2-28
describes the fields in the display.
Note Private VLAN trunks are not supported in this release, so those fields are not applicable.
Switch# show interfaces gigabitethernet1/0/1 switchport
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