I’ve mentioned before that EIGRP SIA was my nightmare case at TAC, but there was one other type of case that I hated–QoS problems. Routing protocol problems tend to be binary. Either the route is there or it isn’t; either the pings go through or they don’t. Even when a route is flapping, that’s just […]
Tag: mlppp
TAC Tales #2: How to troubleshoot
The case came in P1, and I knew it would be a bad one. One thing you learn as a TAC engineer is that P1 cases are often the easiest. A router is down, send an RMA. But I knew this P1 would be tough because it had been requeued three times. The last engineer […]