Wired Networks

Pre-provisioning VLAN in MAS using GVRP

Super Contributor II

GVRP

(GARP VLAN Registration Protocol or Generic VLAN Registration Protocol) is a 
protocol that facilitates control of virtual local area networks (VLANs) within a larger network . GVRP conforms to the IEEE 802.1Q specification, which defines a method of tagging frames with VLAN configuration data. This allows network devices to dynamically exchange VLAN configuration information with other devices.

GVRP in MAS and IAP


When you create an SSID on the IAP, you can also associate a VLAN tag with that SSID. The IAP can then share that VLAN tag with the Mobility Access Switch so that you do not need to pre-provision the VLAN ID on the MAS. This makes it easier to build out new SSIDs as needed without having to touch the wired infrastructure.

 

Config

!
interface-profile switching-profile "TRUNK"
   switchport-mode trunk
!
interface-profile poe-profile "poe-factory-initial"
   enable
!
interface-profile lldp-profile "lldp-factory-initial"
   lldp transmit
   lldp receive
   med enable
!
interface-profile gvrp-profile "IAP-MAS"
   enable
!
gvrp
   enable
!
interface gigabitethernet "0/0/2"
   gvrp-profile "IAP-MAS"
   switching-profile "TRUNK"
   lldp-profile "lldp-factory-initial"
   poe-profile "poe-factory-initial"
!


Troubleshooting Output


show vlan

(host) #show vlan

VLAN CONFIGURATION
------------------
VLAN  Description  Ports
----  -----------  -----
1     VLAN0001     GE0/0/0-23 GE0/1/0-1
500   GVRP VLAN    GE0/0/2
510   GVRP VLAN    GE0/0/2
520   GVRP VLAN    GE0/0/2


show gvrp interfaces

(host) # show gvrp interfaces

Interface GVRP info
-------------------
Interface             State    Registrar Mode
---------             -----    --------------
gigabitethernet0/0/2  Enabled  Normal
Version history
Revision #:
1 of 1
Last update:
‎05-29-2014 02:32 PM
Updated by:
 
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