02-27-2020 10:16 PM
in stuck in active state why there is no feasible successor or not available the feasible successor.
02-28-2020 12:38 AM
Hello,
it is unclear what you are asking. To understand EIGRP SIA, have a look at the video below:
02-28-2020 12:39 AM
02-28-2020 09:39 AM
02-28-2020 10:16 AM
Hello,
I still don't really understand what you are asking...
When EIGRP loses a route, and if there is no feasible successor, the route goes from passive to active and the router starts sending queries to its neighbors, for the default of 180 seconds (3 minutes). If no reply to the queries is received, the route is declared SIA.
Maybe the confusion comes from the implication that 'losing a route' means losing the successor. When EIGRP loses a route, there is no successor anymore. If there is a feasible successor (backup successor, so to speak), it will immediately become the successor. If there is no feasible successor, the router starts sending queries to find one...
03-01-2020 10:06 AM
Hi,
A route/prefix goes into "Active" state in the EIGRP table, when the successor is lost and there is no feasible successor (if there is a backup path, it doesn't necessarily mean it's a feasible successor path unless it meets the feasibility condition). The route stays Active state till all queries have been answered; if not answered after 1.5 minutes, it will send a SIA-Query to neighbours from which it got no answer yet; if not answered after 3 minutes (so after 1.5 minutes more), the neighborship with the respective neighbor goes down.
Regards,
Cristian Matei.
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