Gvrp Packet Format; Protocol Specifications - 3Com 5500-SI Configuration Manual

GVRP Packet Format

Protocol Specifications

The GVRP packets are in the following format:
Figure 26 Format of GVRP packets
Table 102 describes the packet fields in Figure 26.
Table 102
Description of the packet fields
Field Description
Protocol ID Protocol ID
Message Each message consists of two parts:
Attribute Type and Attribute List.
Attribute Type It is defined by specific GARP
application.
Attribute List It contains multiple attributes.
Attribute Each general attribute consists of three
parts: Attribute Length, Attribute
Event, and Attribute Value.
Each LeaveAll attribute consists of two
parts: Attribute Length and LeaveAll
Event.
Attribute Length The length of the attribute
Attribute Event The event described by the attribute
Attribute Value The value of the attribute
End Mark End mark of the GVRP PDU.
GVRP is defined in IEEE 802.1Q standard.
Introduction to GVRP 113
Value
1
-
The attribute type of GVRP is
0x01.
-
-
2 to 255
0: LeaveAll Event1: JoinEmpty 2:
JoinIn3: LeaveEmpty4: LeaveIn5:
Empty
The attribute value of GVRP is
the VID.
-