Re: Best practice for redundancy when there're more than 2x ISP

Both ISP's will not maintain same community to represent
regional/international routes. (i have never seen such like!) And its matter
of your decision then, how to route your outbound traffic based on the cable
path, distance, through each of your ISPs.

On Sat, Sep 25, 2010 at 12:35 AM, Tech Guy <autechguy_at_gmail.com> wrote:

> John,
>
> Both ISPs are Tier1, and send us Regional as well as International
> prefixes. We obviously prefer a regional route from one ISP than the
> same route but marked with an International community from other ISP
> and vice vesa. This can be done with local preference. What do you do
> with a route that is marked the same (regional or intl) from both ISP?
>
> For simplicity sake, let consider all routes as international (which
> account for 80-90% of internet in our case). How you can load share
> outgoing traffic, yet, meet original design requirements.
>
> On Friday, September 24, 2010, Edward John
> <edwardjohn2020_at_googlemail.com> wrote:
> > Well, This is moreover depends on how your peering and how ir your ISP's
> tier level. In your case, I would suggest to import communities from your
> ISPs, choose regional base routes and give preference accordingly..
> > I assume your ISPs support communities..
> > Regards,John
> >
> >
>
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-- 
*Regards,*
*John*
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