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To configure trunk ports, use the following commands.
1. Configure a trunk port to carry untagged, single-tagged, and double-tagged traffic 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]
Example of Configuring a Trunk Port as a Hybrid Port and Adding it to Stacked VLANs
In the following example, the TenGigabitEthernet 0/1 interface is a trunk port that is configured 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)#int te 0/1
Dell(conf-if-te-0/1)#
portmode hybrid
Dell(conf-if-te-0/1)#switchport
Dell(conf-if-te-0/1)#vlan-stack trunk
Dell(conf-if-te-0/1)#show config
!
interface TenGigabitEthernet 0/1
no ip address
portmode hybrid
switchport
vlan-stack trunk
shutdown
Dell(conf-if-te-0/1)#interface vlan 100
Dell(conf-if-vl-100)#untagged tengigabitethernet 0/1
Dell(conf-if-vl-100)#interface vlan 101
Dell(conf-if-vl-101)#tagged tengigabitethernet 0/1
Dell(conf-if-vl-101)#interface vlan 103
Dell(conf-if-vl-103)#vlan-stack compatible
Dell(conf-if-vl-103-stack)#member tengigabitethernet 0/1
Dell(conf-if-vl-103-stack)#do show vlan
Codes: * - Default VLAN, G - GVRP VLANs
Q: U - Untagged, T - Tagged
x - Dot1x untagged, X - Dot1x tagged
G - GVRP tagged, M - Vlan-stack
NUM Status Description Q Ports
* 1 Inactive
100 Inactive U Te 0/1
101 Inactive T Te 0/1
103 Inactive M Te 0/1
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
Service Provider Bridging
823