[j-nsp] Many contributing routes

Alexander Marhold alexander.marhold at gmx.at
Wed Aug 9 12:16:35 EDT 2017


Hi !

No problem as the generated route gets its info and next-hop address from
exactly one contributing route, that is okay

If you would use an aggregated route with 100k of routes instead then you
would have the problem of aggregation of all AS numbers which lead to an
overflow
Regards

Alexander Marhold
Consultant and Trainer

-----Ursprüngliche Nachricht-----
Von: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] Im Auftrag von
Vincent Bernat
Gesendet: Mittwoch, 9. August 2017 09:06
An: juniper-nsp at puck.nether.net
Betreff: [j-nsp] Many contributing routes

Hey!

I am generating a default route to distribute with a policy statement like
that:

#v+
    policy-statement v4-DEFAULT-ROUTE-GENERATE {
        term v4-TRANSIT-ASXXXXX {
            from {
                family inet;
                protocol bgp;
                neighbor xx.yy.zz.ww;
                as-path LONG-AS-PATH;
            }
            then accept;
        }
        term v4-TRANSIT-ASYYYYY {
            from {
                family inet;
                protocol bgp;
                neighbor xx.yy.zz.ww;
                as-path LONG-AS-PATH;
            }
            then accept;
        }
        then reject;
    }
#v-

This works just fine but there are a lot of contributing routes (about
400k) to the generated route. Is it harmless or will I run into trouble for
that?

Thanks!
--
A classic is something that everyone wants to have read and nobody wants to
read.
		-- Mark Twain, "The Disappearance of Literature"
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