Quick fix network routing failure |
| Author： Date：2016/9/27 17:07:37 |
Network of the actual routing contains a number of factors, they will (but not always) in various ways to influence their own. Routing information protocol or open shortest path first, border gateway protocol, enhanced interior gateway routing protocol and static configuration will have an effect on the final routing, etc. In essence, together they constitute a virtual configuration. But in the end, the "physical" routing can only be in a position to verify: the routing table. But, who have so much time all day long staring at all the equipment of routing table (and also no sense to do so)?
First, whenever the routing changes, it will force the router to recalculate the network topology, so the network will be full of update packets. This is not good. Second, routing change detection is usually after a problem, so you must take time to check each routing leaf nodes, what happened to find a few hours ago. Sometimes, routing changes may reduce traffic transmission speed, therefore routing may roll back to a poor performance before routing. And sometimes, these changes may be cut off one of the key customer service links or interrupt. Solve the problem of routing need through the command line interface to repeat check status table, and you always need to get back and forth in each rack. You may even need to connect several devices to console, to trace routing. However, these methods may also cannot solve routing debugging the real challenge. Routing seems to often appear problem, and find the root cause that the most effective way to obtain real-time error information. |