[c-nsp] Load balancing outbound traffic with BGP
Pete Templin
petelists at templin.org
Tue Feb 26 22:58:11 EST 2008
Hay Kan Sugeng wrote:
> imho,
>
> for equal cost use maximum-paths.
>
> http://www.cisco.com/en/US/docs/ios/12_3/iproute/command/reference/ip2_k1g.html#wp1058588
Have you actually used this in production, and seen the results you're
claiming?
From the 12.2 doc, BGP, Path Selection Algorithm:
11. If the following conditions are true, insert the route for this
path into the IP routing table:
- Both the best route and this route are external.
- Both the best route and this route are from the same external
autonomous system.
- The maximum-paths router configuration command is enabled.
Seems to me that three different upstreams would fail the second
condition, so it wouldn't work for this person's application.
pt
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