Administrator Guide

Enable VLAN-Stacking for a VLAN
To enable VLAN-Stacking for a VLAN, use the following command.
• Enable VLAN-Stacking for the VLAN.
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, R - Remote Port Mirroring VLANs, P - Primary, C
- Community, I - Isolated
Q: U - Untagged, T - Tagged
x - Dot1x untagged, X - Dot1x tagged
G - GVRP tagged, M - Vlan-stack, H - VSN tagged
i - Internal untagged, I - Internal tagged, v - VLT untagged, V - VLT tagged
NUM Status Description Q Ports
* 1 Active U Te 0/0-2
1002 Active T Te 0/0-2
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. Dell Networking OS
displays the S-Tag TPID only if it is a nondefault value.
Dell Networking OS Options for Trunk Ports
You can also tag 802.1ad trunk ports as members of a VLAN so that they can carry single-tagged 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.
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
832
Service Provider Bridging