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• Protocol Type – The only option for the LLC_other frame type is IPX_raw. The
options for all other frames types include: IP, IPv6, ARP, RARP, and user-defined
(0801-FFFF hexadecimal).
Web
– Click VLAN, Protocol VLAN, Configuration. Enter a protocol group ID, frame
type and protocol type, then click Apply.
Figure 11-10 Protocol VLAN Configuration
CLI
– The following creates protocol group 1, and then 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)#
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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 7) or VLAN Static Membership by Port menu
(page 9), 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.
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Configuring Protocol-Based VLANs
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