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Dell EMC Configuration Guide for the S4048T–ON System 9.14.2.4

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Configure GVRP Registration

Configure GVRP registration.

There are two GVRP registration modes:
  • Fixed Registration Mode — figuring a port in fixed 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 configured via the CLI to belong to a VLAN, it should not be unconfigured 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 configuration in the following example, the interface 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

DellEMC(conf-if-te-1/21)#gvrp registration fixed 34,35
DellEMC(conf-if-te-1/21)#gvrp registration forbidden 45,46
DellEMC(conf-if-te-1/21)#show conf
!
interface TenGigabitEthernet 1/21
  no ip address
  switchport
  gvrp enable
  gvrp registration fixed 34-35
  gvrp registration forbidden 45-46
  no shutdown
DellEMC(conf-if-te-1/21)#

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