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3.11 GVRP
GVRP is an application based on Generic Attribute Registration Protocol (GARP), mainly used to
automatically and dynamically maintain the group membership information of the VLANs. The GVRP offers
the function providing the VLAN registration service through a GARP application. It makes use of GARP
Information Declaration (GID) to maintain the ports associated with their attribute database and GARP
Information Propagation (GIP) to communicate among switches and end stations. With GID information and
GIP, GVRP state machine maintain the contents of Dynamic VLAN Registration Entries for each VLAN and
propagate these information to other GVRP-aware devices to setup and update their knowledge database, the
set of VLANs associated with currently active members, and through which ports these members can be
reached.
3.11.1 Config
It is used to configure each port’s GVRP operation mode, in which there are seven parameters needed to be
configured described below.
Parameter description:
y GVRP State Setting:
This function is simply to let you enable or disable GVRP function. You can pull down the list and click
the <Downward> arrow key to choose “Enable” or “Disable”. Then, click the <Apply> button, the
system will take effect immediately.
y Join Time:
Used to declare the Join Time in unit of centi-second. Valid time range: 20 –100 centi-second, Default:
20 centi-second.
y Leave Time:
Used to declare the Leave Time in unit of centi-second. Valid time range: 60 –300 centi-second,
Default: 60 cent second.
y Leave All Time:
A time period for announcement that all registered device is going to be de-registered. If someone still
issues a new join, then a registration will be kept in the switch. Valid range: 1000-5000 unit time,
Default: 1000 unit time.
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