nanog mailing list archives

Re: solving problems instead of beating heads on walls [was: something about arrogance]


From: Ralph Doncaster <ralph () istop com>
Date: Sat, 27 Jul 2002 13:56:24 -0400 (EDT)


On Sat, 27 Jul 2002, Ralph Doncaster wrote:


And your assumption about my Ottawa-Toronto link is wrong.  I have a 100M
point-to-point ethernet link between the cities.  I have a 100M transit
connection to Peer1 in Toronto, and have issued a letter of intent to a
transit provider in Ottawa for a 100M link.

Ralph, if you have a 100m link between the two cities, why don't you use
conditional announcements to only announce your /20 though Ottawa if your
primary transit in Toronto goes down? Then, you only need to announce your
/20 in Toronto, no need to deaggregate, and the whole issue is solved.

Then, when you have the Ottawa 100m transit link up, you can announce your
/20 to both transit providers all the time.


That is roughly the intention.  I also have to be able to announce the
more specifics for when the Ottawa-Toronto link goes down.  You could find
in the archives my posts from a couple months back asking how to do this.

-Ralph



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