BGP dual routers and two ISP's

Unanswered Question
Nov 13th, 2009

Hello,

We're moving towards BGP, got ASN from ARIN recently. Currently we are in MHSRP in two routers and policy-based route to any of the link from certain source/destination traffic.

Let's say, currently we have two public network id from two providers.

ISP-1 - 192.168.10.0/24

ISP-2 - 10.16.10.0/24

My question is, can we keep this network id and advertise it to BGP of the two different vendors? or we need to have single address space from ARIN attach with our ASN?

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Overall Rating: 4 (1 ratings)
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francisco_1 Fri, 11/13/2009 - 09:22

if i understand what you are saying i dont think you can advertise an address space that belongs to a provider from your AS! It the SP responsibility. unless you have your own registered blocks you can advertised from your AS.

Gerard Gacusan Fri, 11/13/2009 - 09:30

yeah that's what i understand. Why accepting network advertisement if it's not yours. There was a discussion earlier and my recommendation was to get a single address space instead.

So, where you gonna get the registered block? From ARIN right? That means, our old two address network will no longer be in use if we move to BGP. Correct?

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