Currently have BGP set up at our NOC through two upstream peers, for 4 Class C networks. We want to split off a /26 to a remote site, using a third, different ISP for client use. What's the best way to advertise the route to this new subnet? Just advertise the new route through our current BGP speaker, or? Thanks.
Your biggest issue is that most ISP's will not accept /26. Even if they do their upstream BGP neighbors will more than likely filter to /24.
If this was for example a /22 and a /24 all you would do is have your new third isp advertise the network and continue to advertise the summaries into your other 2 isp's since the more specific route will be preferred all will work.
This same theory works with the /26 but it will be a matter if all the ISP's involved allow it. It might if the third ISP is a customer of both your current ISP and they configure things to make it work.
Thanks to both, I thought the same issue might arise... Would you think a PIX-PIX VPN tunnel between here and there, thus putting both routers in the same space would be a viable option? At our end is 45Mbs Fiber, there is 10 Mbs Copper-Fiber. Thanks again.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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