Protocol-Based Vlan Configuration; Introduction To Protocol-Based Vlan; Configuring A Protocol-Based Vlan - HP 5820X series Configuration Manual

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Configuration guidelines
MAC-based VLAN can be configured only on hybrid ports.
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MAC-based VLAN is typically configured on the downlink ports of access layer devices, and
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cannot be configured together with the link aggregation function.

Protocol-based VLAN configuration

Introduction to protocol-based VLAN

Protocol-based VLAN configuration applies to hybrid ports only.
In this approach, inbound packets are assigned to different VLANs based on their protocol types and
encapsulation formats. The protocols that can be used for VLAN assignment include IP, IPX, and AT. The
encapsulation formats include Ethernet II, 802.3 raw, 802.2 LLC, and 802.2 SNAP.
A protocol type and an encapsulation format comprise a protocol template. Create multiple protocol
templates for a protocol-based VLAN, and different protocol templates are assigned different protocol-
index values. A protocol template can be uniquely identified by a protocol-based VLAN ID and a
protocol index combined. When you use commands to associate protocol templates with ports, use
protocol-based vlan-id + protocol index to specify the protocol templates. An untagged packet reaching a
port associated with protocol templates will be processed using the following workflow:
If the protocol type and encapsulation format carried in the packet matches a protocol template, the
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packet will be tagged with the VLAN tag corresponding to the protocol template.
If the packet matches no protocol templates, the packet will be tagged with the default VLAN ID of
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the port.
The port processes a tagged packet as it processes tagged packets of a port-based VLAN.
If the port is assigned to the VLAN corresponding to the VLAN tag carried in the packet, it forwards
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the packet.
If not, it drops the packet.
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This feature is mainly used to assign packets of the specific service type to a specific VLAN.

Configuring a protocol-based VLAN

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