Method for monitoring CE (Customer Edge router) and routing device

Abstract

The invention provides a method for monitoring user edge router CE. When the monitored CE visits the common CE, the monitored CE sends the message to the monitored PE, and the monitored PE forwards the message to the monitoring CE; The monitoring CE processes the packets and forwards the received packets to the monitoring PE; the monitoring PE forwards the packets to the common CEs, and the normal CEs process the received The above response message is forwarded to the monitoring PE; the monitoring PE sends the response message to the monitoring CE, the monitoring CE processes the response message, and forwards the received response message to the monitoring PE, and then the monitoring PE sends the response message to the monitoring PE. The response message is forwarded to the monitored CE. The invention discloses a routing device at the same time. By applying the CE monitoring method and the routing device of the invention, the monitored CE can be flexibly monitored without affecting other traffic in the VPLS network.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method and routing equipment for monitoring a customer edge router (CE). Background technique [0002] Virtual Private Local Area Network (VPLS) is a technology that provides local area network (LAN)-like connectivity to geographically isolated sites on a Multiprotocol Label Switching (MPLS) network. Through VPLS, users can simultaneously access the network and visit each other from multiple geographically dispersed sites, and the connection effect of each site is the same as in a LAN. [0003] figure 1 It is a basic network structure diagram of a VPLS in the prior art, from figure 1 It can be seen from the figure that in the VPLS basic network, there are at least multiple PEs such as the carrier's edge routers PE1, PE2, and PE3. Each PE is connected through a virtual link (PW), and PE1 is connected through a different access circuit. (AC) is connected to multi...

AI Technical Summary

Problems solved by technology

[0005] In practical applications, usually only a part of CEs in the network need to be monitored, and other CEs in the network do not need to be monitored. Although the Hub-Spoken networking can complete the monitoring of the CEs that need to be monitored, it does not require The monitored CE is also monitored, which affects the normal traffic of other CEs that do not need to be monitored; in addition, the VPLS network needs to be re-networked to obtain the Hub-Spoken network to monitor the CE. -The VPLS network of the Spoken networking mode also destroys the original VPLS network networking mode

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