Users 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.
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 non-default value.
Conguring Dell Networking OS 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
2 Add the port to a 802.1Q VLAN as tagged or untagged.
INTERFACE VLAN mode
[tagged | untagged]
Example of Conguring a Trunk Port as a Hybrid Port and Adding it to Stacked VLANs
In the following example, TenGigabitEthernet 1/1/1/1 is a trunk port that is congured as a hybrid port and then added to VLAN
100 as untagged VLAN 101 as tagged, and VLAN 103, which is a stacking VLAN.
Dell(conf)#interface tenigabitethernet 1/1/1/1
Dell(conf-if-te-1/1/1/1)#
portmode hybrid
Dell(conf-if-te-1/1/1/1)#switchport
Dell(conf-if-te-1/1/1/1)#vlan-stack trunk
Dell(conf-if-te-1/1/1/1)#show config
!
798
Service Provider Bridging