Reference Guide
VLAN Stacking | 943
Usage
Information
You must remove the members prior to disabling the Stackable VLAN feature.
To view the Stackable VLANs, use the show vlan command in the EXEC Privilege mode. Stackable
VLANs contain members, designated by the M in the Q column of the command output.
Figure 46-1. show vlan Command Example with Stackable VLANs
FTOS#show vlan
Codes: * - Default VLAN, G - GVRP VLANs
NUM Status Q Ports
* 1 Inactive
2 Active M Gi 13/13
M Gi 13/0-2
3 Active M Po1(Gi 13/14-15)
M Gi 13/18
M Gi 13/3
4 Active M Po1(Gi 13/14-15)
M Gi 13/18
M Gi 13/4
5 Active M Po1(Gi 13/14-15)
M Gi 13/18
M Gi 13/5
FTOS#
vlan-stack dot1p-mapping
z
Map C-Tag dot1p values to a S-Tag dot1p value. C-Tag values may be separated by commas, and
dashed ranges are permitted. Dynamic Mode CoS overrides any Layer 2 QoS configuration in case of
conflicts.
Syntax
vlan-stack dot1p-mapping c-tag-dot1p
values sp-tag-dot1p value
Parameters
Defaults
None
Command Modes
INTERFACE
Command
History
vlan-stack protocol-type
z
Define the Stackable VLAN Tag Protocol Identifier (TPID) for the outer VLAN tag (also called the
VMAN tag). If you do not configure this command, FTOS assigns the value 0x9100.
S6000
c-tag-dot1p value
Enter the keyword followed by the customer dot1p value that will be mapped to
a service provider do1p value.
Range: 0-7
sp-tag-dot1p value
Enter the keyword followed by the service provider dot1p value.
Range: 0-7
Version 9.0.2.0 Introduced on S6000.
Version 8.3.11.1 Introduced on Z9000.
Version 8.3.7.0 Introduced on S4810.
S6000










