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Chapter 36: VLAN Commands
Configuring Protocol-based VLANs
protocol-vlan
protocol-group
(Configuring Interfaces)
E
XAMPLE
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)#
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.
S
YNTAX
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: 0-7, where 7 is the highest priority)
D
S
EFAULT
ETTING
No protocol groups are mapped for any interface.
Priority: 0
C
M
OMMAND
ODE
Interface Configuration (Ethernet, Port Channel)
C
U
OMMAND
SAGE
•
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
traffic of any protocol type into the associated VLAN.
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.
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.
– 1108 –
vlan
command), these interfaces will admit
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