Reference Guide

show vlan brief
This command displays a list of all configured VLANs.
Format show vlan brief
Mode
•
Privileged EXEC
•
User EXEC
Column Meaning
VLAN ID There is a VLAN Identifier (vlanid) associated with each VLAN. The range of the VLAN ID is 1 to
4093.
VLAN Name A string associated with this VLAN as a convenience. It can be up to 32 alphanumeric characters
long, including blanks. The default is blank. VLAN ID 1 always has a name of “Default.” This field is
optional.
VLAN Type Type of VLAN, which can be Default (VLAN ID = 1) or static (one that is configured and permanently
defined), or a Dynamic (one that is created by GVRP registration).
show vlan port
This command displays VLAN port information.
Format
show vlan port {unit/slot/port | all}
Mode
•
Privileged EXEC
•
User EXEC
Column Meaning
Interface unit/slot/port It is possible to set the parameters for all ports by using the selectors
on the top line.
Port VLAN ID
Configured
The VLAN ID that this port will assign to untagged frames or priority tagged frames
received on this port. The value must be for an existing VLAN. The factory default is 1.
Port VLAN ID Current The current VLAN ID that this port assigns to untagged frames or priority tagged frames
received on this port. The factory default is 1.
Acceptable Frame
Types
The types of frames that may be received on this port. The options are 'VLAN only' and
'Admit All'. When set to 'VLAN only', untagged frames or priority tagged frames received
on this port are discarded. When set to 'Admit All', untagged frames or priority tagged
frames received on this port are accepted and assigned the value of the Port VLAN ID for
this port. With either option, VLAN tagged frames are forwarded in accordance to the
802.1Q VLAN specification.
Ingress Filtering
Configured
May be enabled or disabled. When enabled, the frame is discarded if this port is not a
member of the VLAN with which this frame is associated. In a tagged frame, the VLAN is
identified by the VLAN ID in the tag. In an untagged frame, the VLAN is the Port VLAN ID
specified for the port that received this frame. When disabled, all frames are forwarded in
accordance with the 802.1Q VLAN bridge specification. The factory default is disabled.
Ingress Filtering
Current
Shows the current ingress filtering configuration.
Switching Commands
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