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All Timer: Once a GARP entity starts up, it starts the LeaveAll timer, and sends out a
LeaveAll message after the timer times out, so that other GARP entities can re-register all the
attribute information on this entity. After that, the entity restarts the LeaveAll timer to begin a
new cycle.
GVRP
GVRP, as an implementation of GARP, maintains dynamic VLAN registration information and
propagates the information to other switches by adopting the same mechanism of GARP.
After the GVRP feature is enabled on a switch, the switch receives the VLAN registration
information from other switches to dynamically update the local VLAN registration information,
including VLAN members, ports through which the VLAN members can be reached, and so on.
The switch also propagates the local VLAN registration information to other switches so that all the
switching devices in the same switched network can have the same VLAN information. The VLAN
registration information includes not only the static registration information configured locally, but
also the dynamic registration information, which is received from other switches.
In this switch, only the port with TRUNK link type can be set as the GVRP application entity to
maintain the VLAN registration information. GVRP has the following three port registration modes:
Normal, Fixed, and Forbidden.
Normal: In this mode, a port can dynamically register/deregister a VLAN and propagate the
dynamic/static VLAN information.
Fixed: In this mode, a port cannot register/deregister a VLAN dynamically. It only propagates
static VLAN information. That is, the port in Fixed mode only permits the packets of its static
VLAN to pass.
Forbidden: In this mode, a port cannot register/deregister VLANs. It only propagates VLAN 1
information. That is, the port in Forbidden mode only permits the packets of the default VLAN
(namely VLAN 1) to pass.
Choose the menu VLAN→GVRP→GVRP Config to load the following page.
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