Specifications

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
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Chapter 2 Cisco IOS Commands
show interfaces
This is an example of output from the show interfaces switchport command for a single interface.
Table 2-14 describes the fields in the output.
Switch# show interfaces gigabitethernet0/1 switchport
Name:Fa0/1
Switchport:Enabled
Administrative Mode:static access
Operational Mode:down
Administrative Trunking Encapsulation:dot1q
Negotiation of Trunking:Off
Access Mode VLAN:1 (default)
Trunking Native Mode VLAN:1 (default)
Trunking VLANs Enabled:ALL
Pruning VLANs Enabled:2-1001
Protected:false
Voice VLAN:dot1p (Inactive)
Appliance trust:5
Table 2-14 show interfaces switchport Field Descriptions
Field Description
Name Displays the port name.
Switchport Displays the administrative and operational status of the port.
In this output, the port is in switchport mode.
Administrative Mode
Operational Mode
Displays the administrative and operational mode.
Administrative Trunking
Encapsulation
Operation Trunking Encapsulation
Negotiation of Trunking
Displays the administrative and operational encapsulation
method, and whether trunking negotiation is enabled.
Access Mode VLAN Displays the VLAN ID to which the port is configured.
Trunking Native Mode VLAN
Trunking VLANs Enabled
Trunking VLANs Active
Lists the VLAN ID of the trunk that is in native mode. Lists the
allowed VLANs on the trunk. Lists the active VLANs on the
trunk.
Pruning VLANs Enabled Lists the VLANs that are pruning-eligible.
Protected Displays whether or not protected port is enabled (True) or
disabled (False) on the interface.
Voice VLAN Displays the VLAN ID on which voice VLAN is enabled.
Appliance trust Displays the class of service (CoS) setting of the data packets
of the IP phone.