Chapter 19
| VLAN Commands
Configuring Protocol-based VLANs
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If the frame is tagged, it will be processed according to the standard rules
applied to tagged frames.
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If the frame is untagged and the protocol type matches, the frame is
forwarded to the appropriate VLAN.
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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.
Console(config)#interface ethernet 1/1
Console(config-if)#protocol-vlan protocol-group 1 vlan 2 priority 0
Console(config-if)#
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)
Default Setting
All protocol groups are displayed.
Command Mode
Privileged Exec
Example
This shows protocol group 1 configured for IP over Ethernet:
Console#show protocol-vlan protocol-group
Protocol Group ID Frame Type Protocol Type
------------------ ------------- ---------------
1 ethernet 08 00
Console#
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