Concept Guide

INTERFACE VLAN mode
vlan-stack compatible
Example of Viewing VLAN Stack Member Status
To display the status and members of a VLAN, use the show vlan command from EXEC Privilege mode. Members of a VLAN-Stacking-
enabled VLAN are marked with an M in column Q.
Dell#show vlan
Codes: * - Default VLAN, G - GVRP VLANs
NUM Status Q Ports
* 1 Active U Gi 13/0-5,18
2 Inactive
3 Inactive
4 Inactive
5 Inactive
6 Active M Po1(Gi 13/14-15)
M Gi 13/13
Dell#
Conguring the Protocol Type Value for the Outer VLAN Tag
The tag protocol identier (TPID) eld of the S-Tag is user-congurable.
To set the S-Tag TPID, use the following command.
• Select a value for the S-Tag TPID.
CONFIGURATION mode
vlan-stack protocol-type
The default is 9100.
To display the S-Tag TPID for a VLAN, use the show running-config command from EXEC privilege mode. The system displays the
S-Tag TPID only if it is a non-default value.
Conguring Options for Trunk Ports
802.1ad trunk ports may also be tagged members of a VLAN so that it can carry single and double-tagged trac.
You can enable trunk ports to carry untagged, single-tagged, and double-tagged VLAN trac by making the trunk port a hybrid port.
To congure trunk ports, use the following commands.
1 Congure a trunk port to carry untagged, single-tagged, and double-tagged trac by making it a hybrid port.
INTERFACE mode
portmode hybrid
NOTE
: You can add a trunk port to an 802.1Q VLAN as well as a Stacking VLAN only when the TPID 0x8100.
2 Add the port to a 802.1Q VLAN as tagged or untagged.
INTERFACE VLAN mode
[tagged | untagged]
Service Provider Bridging
775