North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: weird BGP cisco-ism? [problem resolved]
Craig A. Huegen wrote: > On Fri, 11 Jul 1997, Matthew Kaufman wrote: > > ==>I redistribute in a similar way, and have the statics to null0 as well. > ==> > ==>Still insisted on flapping at least twice every time it got the brief > ==>hit on the /24 subnet coming from the outside world. > > What routing protocol do you use? If you're using a protocol which uses a > hold-down (read: RIP), the holddown period causes the route to be > withdrawn while marked as inaccessible in the IGP, and re-announced when > the hold-down period goes away and the static route gets inserted. You might try "no synchronization" in BGP. It solved some flapping for me that I was getting between a pair of routers where the paths were always getting marked inaccessible. My situation was different than this but it seems to have enough similarity that maybe... -- Phil Howard KA9WGN +-------------------------------------------------------+ Linux Consultant | Linux installation, configuration, administration, | Milepost Services | monitoring, maintenance, and diagnostic services. | phil at milepost.com +-------------------------------------------------------+
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