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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Problems with specific routing policies for each exchange point
In message <[email protected]>, Mark Tripod writes: > I ran in to a little problem yesterday with my peering sessions wih the > various route servers around the country. The problem was that I was not > receiving routes from particular ASNs anymore. With a little help from Jake > at Merit we were able to pinpoint the problem in my rs-in configuration. It > seems that I was importing two different AS macros that each referenced the > other (AS-GENUITY and AS-NAPNET). This created a loop in the macro parser > on the route server which in turn nullified my routing policy. > > I was wondering if anyone else had come across this little phenomenon. > > Mark Tripod > Senior Backbone Engineer > Exodus Communications > We use different code that has loop suppression. It remembers each as-macro it has visited in an expansion and won't reenter one it has already been to. We've seen this quite a few times in the past. Curtis ps- catching up on nanog noise
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