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VLAN C
ONFIGURATION
3-201
Mapping Protocols to VLANs
Map a protocol group to a VLAN for each interface that will participate in
the group.
Command Usage
• When creating a protocol-based VLAN, only assign interfaces using this
configuration screen. If you assign interfaces using any of the other
VLAN menus such as the VLAN Static Table (page 3-190) or VLAN
Static Membership by Port menu (page 3-193), 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.
Command Attributes
• Interface – Port or trunk identifier.
• Protocol Group ID – Group identifier of this protocol group.
(Range: 1-2147483647)
• VLAN ID – VLAN to which matching protocol traffic is forwarded.
(Range: 1-4093)