3Com Switch 8800 Advanced Software V5 Configuration Guide

142 CHAPTER 12: GVRP CONFIGURATION
GVRP GVRP enables a device to propagate local VLAN registration information to other
participant devices and dynamically update the VLAN registration information
from other devices to its local database about active VLAN members and through
which port they can be reached. It thus ensures that all GVRP participants on a
LAN maintain the same VLAN registration information. The VLAN registration
information propagated by GVRP includes both manually configured local static
entries and dynamic entries from other devices.
GVRP provides the following three registration types on a port:
■ Normal - Enables the port to dynamically register and deregister VLANs, and to
propagate both dynamic and static VLAN information.
■ Fixed -- Disables the port from dynamically registering VLANs and from
propagating information about dynamic VLANs, but allows the port to
propagate information about static VLANs. On a trunk port with fixed
registration type, GVRP can only propagate manually configured VLANs’
information even though the port is configured to allow all VLANs to pass.
■ Forbidden -- Disables the port from dynamically registering VLANs and from
propagating any VLAN information except information about VLAN 1. On a
trunk port with forbidden registration type, GVRP can only propagate the
information of VLAN 1 (that is, the default VLAN) even though the port is
configured to allow all VLANs to pass.
Protocols and Standards IEEE 802.1Q specifies GVRP.
Configuring GVRP GVRP configuration includes configuring GVRP functions and configuring GARP
timers.
Configuring GVRP
Functions
Follow these steps to configure GVRP functions on a trunk port:
To do... Use the command... Remarks
Enter system view system-view --
Enable global GVRP gvrp Required
Disabled by default
Enter
Ethernet
interface
view or
port-group
view
Enter
Ethernet
interface
view
interface interface-type
interface-number
Required
Perform either of the
commands.
Depending on the view you
accessed, the subsequent
configuration takes effect on a
port or all ports in a
port-group.
Enter
port-group
view
port-group { manual
port-group-name |
aggregation agg-id }
Enable GVRP on the port gvrp Required
Disabled by default
Configure the GVRP
registration mode on the
port
gvrp registration { fixed |
forbidden | normal }
Optional
The default is normal.