Clue's for Clue-less
Jim Jagielski
jim at jaguNET.com
Mon Oct 26 23:32:33 UTC 1998
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 ||| jim at jaguNET.com ||| 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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