C
ONFIGURING
THE
S
WITCH
3-170
CLI – The following creates protocol group 1, and then specifies Ethernet
frames with IP and ARP protocol types.

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 commands such as VLAN Static Table (page 3-159) or VLAN
Static Membership (page 3-161), 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.
Console(config)#protocol-vlan protocol-group 1
add frame-type ethernet protocol-type ip3-66
Console(config)#protocol-vlan protocol-group 1
add frame-type ethernet protocol-type arp
Console(config)#