Chapter 19
| VLAN Commands
Configuring Protocol-based VLANs
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Command Mode
Global Configuration
Example
The following creates protocol group 1, and specifies Ethernet frames with IP and
ARP protocol types:
Console(config)#protocol-vlan protocol-group 1 add frame-type ethernet
protocol-type ip
Console(config)#protocol-vlan protocol-group 1 add frame-type ethernet
protocol-type arp
Console(config)#
protocol-vlan
protocol-group
(Configuring Interfaces)
This command maps a protocol group to a VLAN for the current interface. Use the
no form to remove the protocol mapping for this interface.
Syntax
protocol-vlan protocol-group group-id vlan vlan-id [priority priority]
no protocol-vlan protocol-group group-id vlan
group-id - Group identifier of this protocol group. (Range: 1-2147483647)
vlan-id - VLAN to which matching protocol traffic is forwarded.
(Range: 1-4094)
priority – The priority assigned to untagged ingress traffic. (Range: 0-3,
where 3 is the highest priority)
Default Setting
No protocol groups are mapped for any interface.
Priority: 0
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
â—† When creating a protocol-based VLAN, only assign interfaces via this
command. If you assign interfaces using any of the other VLAN commands
(such as the vlan command), these interfaces will admit traffic of any protocol
type into the associated VLAN.
â—† When MAC-based, IP subnet-based, and protocol-based VLANs are supported
concurrently, priority is applied in this sequence, and then port-based VLANs
last.
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