Cisco Catalyst 3120 Command Reference Guide

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Cisco Catalyst Blade Switch 3120 for HP Command Reference
OL-12248-01
Chapter 2 Cisco Catalyst Blade Switch 3120 for HP Cisco IOS Commands
show interfaces
This is an example of output from the show interfaces switchport command for a port configured as a
private VLAN promiscuous port. The primary VLAN 20 is mapped to secondary VLANs 25, 30 and 35:
Switch# show interface gigabitethernet1/0/2 switchport
Name: Gi1/0/2
Switchport: Enabled
Administrative Mode: private-vlan promiscuous
Operational Mode: private-vlan promiscuous
Administrative Trunking Encapsulation: negotiate
Operational Trunking Encapsulation: native
Negotiation of Trunking: Off
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Administrative Native VLAN tagging: enabled
Voice VLAN: none
Administrative private-vlan host-association: none
Administrative private-vlan mapping: 20 (VLAN0020) 25 (VLAN0025) 30 (VLAN0030) 35
(VLAN0035)
Administrative private-vlan trunk native VLAN: none
Administrative private-vlan trunk Native VLAN tagging: enabled
Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none
Administrative private-vlan trunk private VLANs: none
Operational private-vlan:
20 (VLAN0020) 25 (VLAN0025)
30 (VLAN0030)
35 (VLAN0035)
<output truncated>
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.
Unknown unicast blocked
Unknown multicast blocked
Displays whether or not unknown multicast and unknown
unicast traffic is blocked on the interface.
Voice VLAN Displays the VLAN ID on which voice VLAN is enabled.
Administrative private-vlan
host-association
Displays the administrative VLAN association for
private-VLAN host ports.
Administrative private-vlan mapping Displays the administrative VLAN mapping for private-VLAN
promiscuous ports.
Operational private-vlan Displays the operational private-VLAN status.
Appliance trust Displays the class of service (CoS) setting of the data packets
of the IP phone.
Table 2-24 show interfaces switchport Field Descriptions (continued)
Field Description

Cisco Catalyst 3120 Specifications

General

Brand	Cisco
Model	Catalyst 3120
Category	Switch
Language	English