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VLAN Configuration
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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 3-141) or VLAN Static Membership by Port
menu (page 3-143), 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)
Web – Click VLAN, Protocol VLAN, Port Configuration. Select a a port or trunk,
enter a protocol group ID, the corresponding VLAN ID, and click Apply.
Figure 3-85 Protocol VLAN Port Configuration