I do have to say that the PSI net side of cogent is very good. We use them in Europe without many issues. I stay far away from the legacy cogent network in US.
Manolo Joe Greco wrote: >> Joe Greco wrote: >> >>> For those unfamiliar, Cogent has a system where you set up an EBGP peering >>> with the Cogent router you're connected to, for the purposes of announcing >>> your routes into Cogent. However, these are typically smaller, aggregation >>> class routers, and do not handle full tables - so you don't get your routes >>> from that router. To get a full table FROM Cogent, you need to set up an >>> EBGP multihop session with them, to their nearest full-table router. I >>> believe they actually do all their BGP connections in that manner. >>> >> Depends on the service you purchase. Fast Ethernet seems to be delivered >> as eBGP-multihop (the first hop is just a L3 switch), however DS-3 is >> handled as a single BGP session. I'm not sure if GigE or SONET services >> are handled as multihop or not. >> > > GigE is, though perhaps not in all cases (we had a client buying x00Mbps > delivered over gigE, which was definitely multihop). > > >> Probably all depends what hardware they have at each POP.... >> > > In part, I'm sure. There is also a certain benefit to having consistency > throughout your network, and it sometimes struck me that many of the folks > working for Cogent had a bit more than average difficulty dealing with the > unusual situation. This is not meant harshly, btw. Generally I like the > Cogent folks, but they (and their products) have their faults, just as any > of the competition does. > > It may also help to remember that there's "legacy" Cogent and then there's > PSI/etc. Perhaps there are some differences as a result. > > The more things you can do using the same template, the less difficult it > is to support. On the flip side, the less flexible you are ... > > ... JG > _______________________________________________ NANOG mailing list NANOG@nanog.org http://mailman.nanog.org/mailman/listinfo/nanog
