North American Network Operators Group|
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Re: Non-ISP companies multi-homing?
> > >Supposing to have IBGP to one ISP (to avoid assigning of > >independent AS) and EBGP to the second ISP, again will > >my router announce the /24 inside of the first ISP > >address block to the EBGP peer ?? > > Interesting approach. In general, the ISPs I know would > be reluctant to run iBGP with a customer, unless they had > total control of all BGP speakers. If I understand you > correctly, the enterprise would have to tag its > advertisements to the second ISP with the ASN of the > first, since the enterprise doesn't have its own. Again, > I think most ISPs would be reluctant to give up this > amount of control. Without the ISP having total control over the customer router, a misconfiguration of filters on the customer side could easily cause the customer to be a valid (and 1 hop) path in the tables from ISP A to ISP B. Doesn't sound like a possibility I would be willing to have hanging over my head. --- -=<:gEm:>=- -<sMp>-<sMp>-<sMp>-<sMp>-<sMp>-<sMp>-<sMp>-<sMp>-<sMp>-- Gordon Mercer -=<Dedicated>=- [digitalNATION] 703 642 2800 -=<Servers>=- email@example.com <::>=-=<::>=--=<::>=-=<::>=--=<::>=-=<::>=--=<::>=-=<::>