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In-Reply-To: <2ed0bc680511061005g71a7cd91xd491f073809290e6@mail.gmail.com> Cc: "Patrick W. Gilmore" <patrick@ianai.net>, nanog@merit.edu From: "Patrick W. Gilmore" <patrick@ianai.net> Date: Sun, 6 Nov 2005 14:05:21 -0500 To: NetSecGuy <netsecguy@gmail.com> Errors-To: owner-nanog@merit.edu On Nov 6, 2005, at 1:05 PM, NetSecGuy wrote: > I asked this question on inet-access and it was suggested I try NANOG. > > I understand BGP flapping to be announcements followed by withdraws > over a short period. I am seeing a peer with a large number of > announcements and the normal number of withdraws. Is there a term > to describe what I am seeing? I'd like to understand what is > happening, but I've been looking for more info and can't seem to > find anything. I suspect I am just not using the right words to > search. > > If there isn't a term, why would a peer announce thousands of time > an hour with very few withdraws? There is a term, it's called "broken". A peer should never announce a route it has already announced unless that route is withdrawn. (If the session goes down or is reset, that counts as a withdrawal.) -- TTFN, patrick
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