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Display the VLAN-Stacking configuration for a switchport using the command show config from
INTERFACE mode, as shown in Figure 46-3.
Figure 46-3. Displaying the VLAN-Stack Configuration on a Layer 2 Port
Enable VLAN-Stacking for a VLAN
To enable VLAN-Stacking for a VLAN:
Display the status and members of a VLAN using the
show vlan command from EXEC Privilege mode.
Members of a VLAN-Stacking-enabled VLAN are marked with an M in column Q.
Figure 46-4. Display the Members of a VLAN-Stacking-enabled VLAN
Configure the Protocol Type Value for the Outer VLAN Tag
The Tag Protocol Identifier (TPID) field of the S-Tag is user-configurable:
Display the S-Tag TPID for a VLAN using the command show running-config from EXEC privilege
mode. FTOS displays the S-Tag TPID only if it is a non-default value.
Task Command Syntax Command Mode
Enable VLAN-Stacking for the VLAN. INTERFACE VLAN
vlan-stack compatible
Task Command Syntax Command Mode
Select a value for the S-Tag TPID.
Default: 9100
CONFIGURATION
vlan-stack protocol-type
FTOS#show run interface gi 7/0
!
interface GigabitEthernet 7/0
no ip address
switchport
vlan-stack access
no shutdown
FTOS#show run interface gi 7/12
!
interface GigabitEthernet 7/12
no ip address
switchport
vlan-stack trunk
no shutdown
FTOS#show vlan
Codes: * - Default VLAN, G - GVRP VLANs
NUM Status Q Ports
* 1 Active U Gi 13/0-5,18
2 Inactive
3 Inactive