Service Manual

Dell(config-gvrp)#show config
!
protocol gvrp
no disable
Dell(config-gvrp)#
To inspect the global conguration, use the show gvrp brief command.
Enabling GVRP on a Layer 2 Interface
To enable GVRP on a Layer 2 interface, use the following command.
• Enable GVRP on a Layer 2 interface.
INTERFACE mode
gvrp enable
Example of Enabling GVRP on an Interface
Dell(conf-if-gi-1/21)#switchport
Dell(conf-if-gi-1/21)#gvrp enable
Dell(conf-if-gi-1/21)#no shutdown
Dell(conf-if-gi-1/21)#show config
!
interface GigabitEthernet 1/21
no ip address
switchport
gvrp enable
no shutdown
To inspect the interface conguration, use the show config command from INTERFACE mode or use the show gvrp
interface
command in EXEC or EXEC Privilege mode.
Congure GVRP Registration
Congure GVRP registration.
There are two GVRP registration modes:
• Fixed Registration Mode — guring a port in xed registration mode allows for manual creation and registration of VLANs,
prevents VLAN deregistration, and registers all VLANs known on other ports on the port. For example, if an interface is statically
congured via the CLI to belong to a VLAN, it should not be uncongured when it receives a Leave PDU. Therefore, the
registration mode on that interface is FIXED.
• Forbidden Mode — Disables the port to dynamically register VLANs and to propagate VLAN information except information
about VLAN 1. A port with forbidden registration type thus allows only VLAN 1 to pass through even though the PDU carries
information for more VLANs. Therefore, if you do not want the interface to advertise or learn about particular VLANS, set the
interface to the registration mode of FORBIDDEN.
Based on the conguration in the following example, the interface 1/21 is not removed from VLAN 34 or VLAN 35 despite receiving a
GVRP Leave message. Additionally, the interface is not dynamically added to VLAN 45 or VLAN 46, even if a GVRP Join message is
received.
Example of the gvrp registration Command
Dell(conf-if-gi-1/21)#gvrp registration fixed 34,35
Dell(conf-if-gi-1/21)#gvrp registration forbidden 45,46
Dell(conf-if-gi-1/21)#show conf
!
interface GigabitEthernet 1/21
no ip address
switchport
gvrp enable
gvrp registration fixed 34-35
274
GARP VLAN Registration Protocol (GVRP)