Virtual circuit exchanging method based on MAC studying
A virtual circuit and virtual switch technology, which is applied in the switching field of the two-layer bearer network, can solve problems such as the shortage of VLAN IDs in the operation network, and achieve the effect of solving the shortage of VLAN IDs in the operation network and saving configuration
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[0050] The MAC learning-based virtual circuit switching method of the present invention will be specifically described below in conjunction with the accompanying drawings.
[0051] Such as figure 1As shown, switch 4 has three ports: port A is connected to switch 1, port B is connected to switch 2, and port C is connected to switch 3. In addition, switch 4 has a port D connected to the switching network. There are three virtual circuits established, namely : Port A+VLAN ID1←---→Port D+VLAN ID4, B+VLAN ID2←---→Port D+VLAN ID4 and C+VLAN ID3←---→Port D+VLAN ID4, due to the connection with port D The VLAN IDs of the connected networks are tense, and only ID4 is assigned to the network connected to switch 4, resulting in the VLAN ID4 of port D corresponding to three VLAN IDs of ports A, B, and C. The present invention is to solve how to perform virtual circuit switching in this case.
[0052] For the convenience of illustration, suppose port A and VLAN ID is ID1 to switch port D ...
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