Specifications

2-318
Cisco Catalyst Blade Switch 3020 for HP Command Reference
OL-8916-01
Chapter 2 Cisco Catalyst Blade Switch 3020 for HP Cisco IOS Commands
show interfaces
This is an example of output from the show interfaces switchport backup command:
Switch# show interfaces switchport backup
Switch Backup Interface Pairs:
Active Interface Backup Interface State
--------------------------------------------------------------
Gi0/17 Gi0/19 Active Up/Backup Standby
Gi0/20 Gi0/22 Active Up/Backup Standby
Gi0/21 Gi0/23 Active Up/Backup Standby
This is an example of output from the show interfaces interface-id pruning command:
Switch# show interfaces gigibitethernet0/22 pruning
Port Vlans pruned for lack of request by neighbor
This is an example of output from the show interfaces interface-id trunk command. It displays trunking
information for the port.
Switch# show interfaces gigabitethernet0/21 trunk
Port Mode Encapsulation Status Native vlan
Gi0/21 auto negotiate trunking 1
Port Vlans allowed on trunk
Gi0/21 1-4094
Port Vlans allowed and active in management domain
Gi0/21 1-4
Port Vlans in spanning tree forwarding state and not pruned
Gi0/21 1-4
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.
Appliance trust Displays the class of service (CoS) setting of the data packets
of the IP phone.
Table 2-21 show interfaces switchport Field Descriptions (continued)
Field Description