Setup Guide

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 EMC Networking OS
displays the S-Tag TPID only if it is a non-default value.
Conguring Dell EMC 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, 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.
Debugging VLAN Stacking
To debug VLAN stacking, use the following command.
• Debug the internal state and membership of a VLAN and its ports.
debug member
Example of Debugging a VLAN and its Ports
The port notations are as follows:
• MT — stacked trunk
• MU — stacked access port
• T — 802.1Q trunk port
• U — 802.1Q access port
• NU — Native VLAN (untagged)
Service Provider Bridging
785