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Protocol VLANs
You can configure VLAN behavior to support multiple protocols to allow traffic to
pass through different VLANs. When a packet is received at a port, its VLAN
membership is determined by the protocol type of the packet.
A maximum of 20 Protocol VLAN groups can be configured on the switch. One
Protocol VLAN group can be configured for each of the predefined protocols of IP,
IPX, and Apple-talk (Special protocol), while 17 additional Protocol VLAN groups
can be created where both the frame type and protocol are user defined
(Programmable protocol). Protocol VLAN groups created with the predefined
protocols match all frame-types. Up to 5 Protocol VLAN groups can be concurrently
mapped per port. One Protocol VLAN group for each of the predefined protocols can
be mapped to a port, while a maximum of two groups based on user defined frame
and protocol settings can be mapped per port. More than two user defined protocol
groups cannot be mapped to a port, even if no predefined protocol groups are
mapped to the port.
Protocol VLAN Group Configuration
Command Attributes
• Protocol Group ID – Protocol Group ID assigned to the Protocol VLAN Group.
(Range: 1-2147483647)
• Special protocol - Three fixed protocol types have been preconfigured. For these
Protocol VLAN groups, the frame-type of network traffic is not considered (all
frame-types will always be accepted):
- IP (0x0800)
- IPX (0x8137)
- Apple-talk (0x809B)
• Programmable protocol - The following options are available:
- Frame Type – The following Frame types are available:
• Ethernet
• LLC_other
• RFC_1042
• SNAP_8021H
- Protocol Type – User defined.
VLAN Configuration
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