Cisco Catalyst 3550 Command Reference Manual page 308

show interfaces
Table 2-20 show interfaces switchport Field Descriptions
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
Unknown unicast blocked
Unknown multicast blocked
Voice VLAN
Appliance trust
Catalyst 3550 Multilayer Switch Command Reference
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Description
Displays the port name.
Displays the administrative and operational status of the port.
In this display, 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.
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.
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 whether or not unknown multicast and unknown
unicast traffic is blocked on the interface.
Displays the VLAN ID on which voice VLAN is enabled.
Displays the CoS setting of the data packets of the IP phone.
Chapter 2 Cisco IOS Commands
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