Manual
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transmits VLAN attributes to the whole layer 2 network through GARP protocol. 
a typical application scene 
A  and  G  switches  are  not  directly  connected  in  layer  2  network;  BCDEF  are  intermediate 
switches connecting A  and G.  Switch A  and  G configure VLAN100-1000 manually while 
BCDEF switches do not. When GVRP is not enabled, A and G cannot communicate with each 
other,  because  intermediate  switches  without  relevant  VLANs.  However,  after  GVRP  is 
enabled on all switches, its VLAN attribute transmission mechanism enables the intermediate 
switches registering the VLANs dynamically, and the VLAN in VLAN100-1000 of A and G can 
communicate with each other. The VLANs dynamically registered by intermediate switches will 
be  deregistered  when  deregistering  VLAN100-1000  of  A  and  G  switches  manually.  So  the 
same VLAN  of two unadjacent  switches can communicate mutually through GVRP protocol 
instead  of  configuring  each  intermediate  switch  manually  for  achieving  the  purpose  of 
simplifying VLAN configuration. 
18.7.2 GVRP Configuration Task List 
GVRP configuration task list: 
1.  Configure GVRP timer 
2.  Configure port type 
3.  Enable GVRP function 
1.  Configure GVRP timer 
Command 
Explanation 
Global mode 
garp timer join <200-500> 
garp timer leave <500-1200> 
Configure leaveall, join and leave timer for GVRP. 










