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NE40E-M2 V800R010C10SPC500 Feature Description - LAN Access and MAN Access 01

This is NE40E-M2 V800R010C10SPC500 Feature Description - LAN Access and MAN Access
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GVRP PDU Structure

GVRP PDU Structure

GARP PDUs are encapsulated in the IEEE 802.3 Ethernet format, as shown in Figure 4-8.

Figure 4-8 GARP PDU

Each field is described as follows.

Field

Description

Value

Protocol ID

GARP protocol ID

1

Message

GARP message, consisting of Attribute Type and Attribute List

-

Attribute Type

Attribute type, defined by specific GARP applications

The value is 0x01 for GVRP, indicating that the attribute value is a VLAN ID

Attribute List

Attribute list, consisting of multiple attributes

-

Attribute

An attribute, consisting of Attribute Length, Attribute Event, and Attribute Value

-

Attribute Length

Length of an attribute

2–255, in bytes

Attribute Event

Event that an attribute describes

  • 0: LeaveAll Event

  • 1: JoinEmpty Event

  • 2: JoinIn Event

  • 3: LeaveEmpty Event

  • 4: LeaveIn Event

  • 5: Empty Event

Attribute Value

Value of an attribute

The value is a VLAN ID for GVRP. This field is invalid for a LeaveAll attribute.

End Mark

End of a GARP PDU

0x00

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Updated: 2019-01-02

Document ID: EDOC1100058405

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