>basically bgp, and the ip addresses are class C addresses, which our network >have class C addresses as well. We are an ISP, and my partner is a system >integrator. First, if you expect to play seriously in the ISP space, you need to get used to thinking of them as /24 prefixes, not class C, and the set of them as appropriate aggregates. Second, the next question is to what extent your addresses and your partners' addresses are contiguous and can be aggregated, and if there are multihoming requirements that dictate you advertise more specifics as well as the aggregate. Third, if the addresses do not aggregate well, you may seriously consider turning in the present addresses in return for a contiguous CIDR block. The goal is to justify a /19 or /20 for a reasonable chance of getting by provider length filters. Fourth, in addition to address space and AS, you need to develop a routing policy and, in my strong recommendation, register the routing policy in an appropriate routing registry. Also, your DNS and reverse DNS needs to be coordinated. As the allocations change, SWIP needs to be updated. Your routing policy needs to consider, among other things, the number of upstreams to which you will have BGP connectivity. You need to consider how you will connect to downstream customers, if they will home to providers other than you, and whether their address space is a subset of yours. Other considerations include whether you want to do the default of hot-potato/closest exit routing, or cold-potato/optimal exit inside your AS. Do you have iBGP scalability issues? If so, should they be solved with route reflectors, confederations, hierarchies of route reflectors, or possibly an MPLS core? Do your applications have QoS requirements? With multiple providers, asymmetrical routing is virtually certain to take place. Are you ready for it? If I'm giving the impression this is more complex than configuring BGP, you're correct. Seriously, though, if this discussion is incomprehensible, you are really not ready to do it yourself. Most starting ISPs get considerable technical support from their upstreams. > > >""McCallum, Robert"" <[EMAIL PROTECTED]> wrote in message >news:[EMAIL PROTECTED] >.uk... > > Firstly, we would all need to know what routing protocols are in use here, > > then what are the ip addresses of you and your partner. Secondly what >type > > of vendor are you both using. > > > > Until then I and I expect no one else can answer your question. > > > > -----Original Message----- > > From: Ronald James [mailto:[EMAIL PROTECTED]] > > Sent: 03 August 2000 12:38 > > To: [EMAIL PROTECTED] > > Subject: AS number > > > > > > we have our own AS number with class C addresses, now if my partner has a > > few class C addresses which they want to migrate to our AS, is it >possible? > > if so, how(any examples may hlep)? what other factors I should aware of ? > > > > thanks in advance!! > > > > > > ___________________________________ > > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > > FAQ, list archives, and subscription info: http://www.groupstudy.com > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > > > > ___________________________________ > > UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html > > FAQ, list archives, and subscription info: http://www.groupstudy.com > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > > --- > > >___________________________________ >UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html >FAQ, list archives, and subscription info: http://www.groupstudy.com >Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
