Gvrp; Stp/Rstp/Mstp; Stp And Rstp - Huawei S2700 Product Documentation

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NOTE:
The S2700SI does not support the QinQ.
The 802.1Q-in-802.1Q (QinQ) protocol is a Layer 2 tunneling protocol based on the IEEE 802.1Q. A frame
transmitted on the public network has double 802.1Q tags. One tag identifies the public network and the other
identifies the private network.
Usually, carriers define VLANs on the public network, and users define VLANs on their own private networks.
Therefore, different private networks may use the same VLAN ID. Through the QinQ function, the S2700 adds
public VLAN tags to the packets from private networks. Then the private VLAN tag becomes the inner VLAN
tag. In this way, packets from user networks are transmitted transparently on the public network, and thus user
networks are separated from the public network.
The S2700 supports the basic QinQ function. That is, all the frames that reach the public network through an
interface are tagged with the same public VLAN ID.
Parent topic:
Ethernet Features

1.4.1.1.4.1.6 GVRP

NOTE:
The S2700SI does not support the GVRP.
GVRP is a protocol used for dynamic registration and deregistration of VLANs. GVRP maintains the dynamic
VLAN registration information in a switch and propagates the registration information to other switches on the
network through GARP.
GVRP enables switches on the network to dynamically maintain and update VLANs. With GVRP, you do not
need to expend time to analyze the topology and manage configurations. You can adjust the VLAN deployment
on the entire network by configuring only a few devices.
The S2700 supports GARP and GVRP. Through GVRP, the S2700 can send VLAN declaration to other devices
and dynamically create VLANs after receiving VLAN registration information from other devices.
Parent topic:
Ethernet Features

1.4.1.1.4.2 STP/RSTP/MSTP

STP and RSTP

MSTP
MSTP Protection
Partitioned STP and BPDU Tunnel
Parent topic:
Link Features
1.4.1.1.4.2.1 STP and RSTP
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