Chances are high, that during this time routers will have cpu overloaded, copp queues stuck etc not necessarily with eigrp messages, but other protocols converging at the same time. Now router is waiting for reply from its neighbors. Activepdf is the leading global provider of automated, serverside pdf tools. Eigrp will form neighbor relationships with adjacent routers in the. Use the command show ip eigrp topology active command to find the active state routes. Queries are sent when something changes or fails in the network. An eigrp stuck in active condition could occur, if a problem arrives in the. Ciscos enhanced interior gateway routing protocol eigrp.
A router might get stuck in active state for the following reasons. Get started with one of our software packages and download a free trial today. We have different flavors so you can choose to which types of routes the stub. Using acrobat, print pdf files in batches, reset print settings to their defaults, combine fragmented images, merge or flatten layers, adjust the. The information in this document is based on cisco ios software. Eigrp sends a query when a route is lost and another feasible route does not exist in the topology table. Enter the show ip eigrp neighbors command in order to view the eigrp neighbor information and. The dual3sia error message indicates that an eigrp route is in the. An eigrp destination is getting a stuck in active error. These states can be found in the eigrp topological table. A destination that has remained in the active state in. Routing can be classified in three types namely, summary routes, internal routes.
When eigrp returns a stuck in active sia message, it means that it has not received a reply to a query. Eigrp has gone to a plugin model for packaging features. We work with developers, product managers, cios, and ctos to embed digital transformation in their enterprise applications. It takes only one slow or buggy router to cause a massive sia storm. How could an eigrp stuck in active event ever happen in. In a previous tutorial i explained the eigrp sia stuck in active problem, if you.
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