Command Line Interface
880 1553-KDU 137 365 Uen D 2006-06-16
Command Usage
• When creating a protocol-based VLAN, only assign interfaces through
this command. If interfaces are assigned using any of the other VLAN
commands (such as vlan on page 850), these interfaces will admit
traffic of any protocol type into the associated VLAN.
• When a frame enters a port that has been assigned to a protocol VLAN,
it is processed in the following manner:
• If the frame is tagged, it will be processed according to the standard
rules applied to tagged frames.
• If the frame is untagged and the protocol type matches, the frame
is forwarded to the appropriate VLAN.
• If the frame is untagged but the protocol type does not match, the
frame is forwarded to the default VLAN for this interface.
Example
The following example maps the traffic entering Port 1 which matches the
protocol type specified in protocol group 1 to VLAN 2.
7.17.24 show protocol-vlan protocol-group
This command shows the frame and protocol type associated with protocol
groups.
Syntax
show protocol-vlan protocol-group [group-id]
group-id - Group identifier for a protocol group. (Range: 1-
2147483647)
Console(config)#interface ethernet 1/1
Console(config-if)#protocol-vlan protocol-group 1 vlan 2
Console(config-if)#
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