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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Clue's for Clue-less
Martin, Christian wrote: > > Poor filtering practices. As filter-lists grow in size and complexity, > and the AS lists grow, there is the potential for leaks. All it takes > is for and inexperienced/tired/clueless operator to turn up a T1 session > with a multihomed downstream peer, and neglect the filter-list on their > inbound updates. Then, considering that any other peer that advertises > an AS that is two hops away has the same preference configured all the > way through, we're talking router ID here. The OC3 session that is > prefered doesn't see the routes, but they are coming in from other > places, including the T1. bgp always-compare-med can help, but not > everyone uses it. This can be bad. > What would be helpful, of course, is a series of FAQs that pretty much detail various config options for different-type setups. Freeman's stuff is a start. -- =========================================================================== Jim Jagielski ||| [email protected] ||| http://www.jaguNET.com/ "That's no ordinary rabbit... that's the most foul, cruel and bad-tempered rodent you ever laid eyes on"
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