North American Network Operators Group
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Re: Junos Asymmetric Routing
- From: Ken Gilmour
- Date: Fri May 28 11:23:44 2010
Hi Jack
On 28 May 2010 07:08, Jack Bates <jbates@brightok.net> wrote:
>
> Your BGP config with ISP2 is probably unideal. This has lead to packets
> coming in via ISP2 despite the fact you prefer to use ISP1. Often, people
> only do AS Prepend to alter traffic patterns. However, if a packet finds
> it's way to your directly connected ISP, an AS Prepend is not enough. It
> will be sent to you based on local preference. Setting appropriate
> communities with your ISP can often override this preference so they will
> send the packet towards your ISP1 instead of direct.
>
> Strangely, BGP actually works without issues. The only issue is with
statically routed ranges.
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