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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: AS Path Loops in practice ?
Ok I've had a few responses on and off list on this but arent really getting this idea, as I said tho I've not done this so perhaps thats where I'm missing the crucial points.. > 1) It would only remove the "must default" clause if the provider either > stripped (or overrode) the local-as, or if all of the private ASNs were > unique. That is a big headache. You must strip the local-as, this is one command that can sit in a peer group on my ciscos so not a big deal. > 2) Private ASNs are not, per RFC1918, supposed to be connected to the > Internet, in much the same way that private IP space is not supposed to be > connected to the Internet. This can also be solved by stripping/overriding. yes > 3) One advantage of using a public, albeit common, customer ASN is that if a > customer has RIR-allocated space, those IPs will make it onto the global > table, and will not suffer the filtering which may be present for the > provider's own routes. Ok this seems to be a difference, altho not sure why the custs IPs should need to do anything different from the providers IPs as presumably both need to be reachable from everywhere? Steve
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