Fault processing method, device and system for virtual private local area network
A fault handling method and virtual dedicated technology, applied in the field of network communication, can solve problems such as VPLS network bandwidth waste, and achieve the effect of reducing the possibility
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Embodiment 1
[0042]An embodiment of the present invention provides a fault handling method for a virtual private local area network. When the relay virtual switching instance detects a pseudowire failure between the relay virtual switching instance and the local backbone network component virtual switching instance, or when the When the relay virtual switching instance learns that the connection between the virtual switching instance of the local service instance component and the customer edge router is faulty, if figure 1 As shown, the method includes:
[0043] Step S101, the relay virtual switch instance sends a fault notification message to the peer backbone network component virtual switch instance, and the fault notification message carries the local service instance component virtual switch instance and the peer service instance component virtual switch instance Exchange instance common business instance tags;
[0044] In the embodiment of the present invention, the fault notificat...
Embodiment 2
[0055] An embodiment of the present invention provides a fault handling method for a virtual private local area network. When the relay virtual switching instance detects a pseudowire fault between the trunk virtual switching instance and the local backbone network component virtual switching instance, as Figure 4 As shown, this method includes:
[0056] Step S401, the relay virtual switch instance sends a fault notification message to the peer backbone network component virtual switch instance, and the fault notification message carries the local service instance component virtual switch instance and the peer service instance component virtual switch instance Exchange instance common business instance tags;
[0057] In the embodiment of the present invention, the fault notification message may be signaling in the form of a label distribution protocol. Generally speaking, the fault notification message carries a plurality of fields respectively indicating service instance lab...
Embodiment 3
[0094] The embodiment of the present invention provides a fault handling method of virtual private area network, such as image 3 Shown is the specific situation of the embodiment of the present invention.
[0095] exist image 3 , if the connection between the virtual switching instance of the local service instance component and the user edge router fails, then, as Figure 8 As shown, this method includes:
[0096] Step S801, the virtual switching instance of the backbone network component at the local end learns that the virtual switching instance of the service instance component at the local end has a connection failure with the customer edge router;
[0097] When the connection between the user edge router and the virtual switch instance of the local service instance component fails, the local service instance component virtual switch instance can perceive that it cannot communicate with the user edge router, and the local service instance component virtual switch inst...
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