Re: Ebgp Loadbalancing Issue

The short answer is you cant load share or load balance between multiple AS
paths as BGP select a single best path.

you can read this cisco BGP load sharing options:
http://www.cisco.com/en/US/tech/tk365/technologies_configuration_example09186
a00800945bf.shtml#intro

2009/4/8 WW)W WWWW W <eshedalonie_at_gmail.com>

> Narbik, All
>
> EBGP
> I (R) -----------> ISP1
> B |
> G | EBGP
> P (R) -----------> ISP2
>
> Can I Use Load balancing between ebgp with two routers that connected
> between them with IBGP and the two routers are connected to two Different
> ISP's With Maximum-Paths 2 + DMZ-BWLINK ?
>
> If I Understand correctly
> From Nil website - it says that load balance can only work with one router
> that connects to two other routers in the Same AS.
> And their path calculation should be the same (AS-PATH, LOCAL-PREFERENCE,
> MED)...
>
> http://www.nil.com/ipcorner/LoadBalancingBGP/
>
> Nil Says :
> The only applicability of EBGP load balancing is thus the design where a
> single BGP router has two EBGP sessions into the same autonomous system
> (Figure 4).
>
>
> Can Anyone clarify this ?
>
> Thanks, Eshed.
>
>
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