Command Line Interface
886 1553-KDU 137 365 Uen D 2006-06-16
Default Setting
No dot1q-ethertype is set.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• Use the switchport dot1q-ethertype command to set a custom
802.1Q ethertype value on the selected interface. This feature allows
the ECN330-switch to interoperate with third-party switches that do not
use the standard 0x8100 ethertype to identify 802.1Q-tagged frames.
For example, 0x1234 is set as the custom 802.1Q ethertype on a trunk
port, incoming frames containing that ethertype are assigned to the
VLAN contained in the tag following the ethertype field, as they would
be with a standard 802.1Q trunk. Frames arriving on the port containing
any other ethertype are looked upon as untagged frames, and assigned
to the native VLAN of that port.
• All members of a VLAN should be set to the same ethertype.
Example
Related Commands
show interfaces switchport (section 7.9.13 on page 753)
Console(config)#interface ethernet 1/1
Console(config-if)#switchport dot1q-ethertype 9100
Console(config-if)#
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