Perspectives on Troubleshooting Routing Protocol Problems

ImageLesson 8: Troubleshooting Router Operation

ImageLesson 3: Troubleshooting EIGRP

Because a routing protocol’s job is to fill a router’s routing table with the currently best routes, it makes sense that troubleshooting potential problems with routing protocols could begin with the IP routing table. Given basic information about an internetwork, including the routers, their IP addresses and masks, and the routing protocol, you could calculate the subnet numbers that should be in the router’s routing ...

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