Problems with specific routing policies for each exchange point

Cengiz Alaettinoglu cengiz at ISI.EDU
Fri Oct 31 17:09:16 UTC 1997

This problem was addressed in the design of RAWhoisd. I will tell Jake how to 
use it.

"Jake Khuon" on Thu, 30 Oct 1997 23:45:25 -0500 said:
> ### On Thu, 30 Oct 1997 18:02:02 -0800, mark at (Mark Tripod) wrote
> ### to <nanog at Merit.Net> concerning "Problems with specific routing policies
> ### for each exchange point":
> MT> I ran in to a little problem yesterday with my peering sessions wih the
> MT> various route servers around the country. The problem was that I was not
> MT> receiving routes from particular ASNs anymore. With a little help from Ja
> MT> at Merit we were able to pinpoint the problem in my rs-in configuration. 
> MT> seems that I was importing two different AS macros that each referenced t
> MT> other (AS-GENUITY and AS-NAPNET). This created a loop in the macro parser
> MT> on the route server which in turn nullified my routing policy.
> I would reccommend anyone referencing any of those two macros in their rs-in
> or rs-out to discontinue doing so at least until which time I can throw in a
> bugfix to handle looping expansions.  Currently the expansion routine in the
> preprocessor will reach a depth limit and then spit out an error which gets
> interpretted by the main routine as a bogus expansion.  This will nullify
> that import.
> --
> /*===================[ Jake Khuon <khuon at Merit.Net> ]======================+
>  | Systems Research Programmer, IE Group       /| /|[~|)|~|~ N E T W O R K |
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