Cisco Catalyst 2950 Command Reference Manual page 370

show interfaces
Table 2-23
Field
Name
Switchport
Administrative Mode
Operational Mode
Administrative Trunking
Encapsulation
Negotiation of Trunking
Access Mode VLAN
Trunking Native Mode VLAN
Trunking VLANs Enabled
Trunking VLANs Active
Pruning VLANs Enabled
Administrative private-vlan
host-association >
Administrative private-vlan mapping
Operational private-vlan
Capture Mode
Captured VLANs Allowed
Protected
Voice VLAN
Appliance trust
This is an example of output from the show interfaces trunk command:
Switch# show interfaces trunk
Port
Fa0/4
Fa0/6
Port
Fa0/4
Fa0/6
Port
Fa0/4
Fa0/6
Port
Fa0/4
Fa0/6
Catalyst 2950 and Catalyst 2955 Switch Command Reference
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show interfaces switchport Field Descriptions
Mode Encapsulation
on 802.1q
on 802.1q
Vlans allowed on trunk
1-4094
1-4094
Vlans allowed and active in management domain
1-2,51-52
1-2,51-52
Vlans in spanning tree forwarding state and not pruned
1
1-2,51-52
Chapter 2
Description
Displays the port name.
Displays the administrative and operational status of the port.
In this output, the port is in switchport mode.
Displays the administrative and operational mode.
Displays the administrative and operational encapsulation
method, and whether trunking negotiation is enabled.
Displays the VLAN ID to which the port is configured.
Note 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.
Lists the VLANs that are pruning-eligible.
Displays the administrative and operational status of the
private VLAN and displays the private-VLAN mapping.
Private VLANs are not supported on the switch.
Note
Displays the capture mode and the number of captured VLANs
allowed.
Because the switch does not support the capture
Note
feature, the values for these fields do not change.
Displays whether or not protected port is enabled (True) or
disabled (False) on the interface.
Displays the VLAN ID on which voice VLAN is enabled.
Displays the class of service (CoS) setting of the data packets
of the IP phone.
Status Native vlan
trunking 1
trunking 1
Catalyst 2950 and 2955 Cisco IOS Commands
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