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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Multi-home II
On Sun, 14 May 2000, Alex Bligh wrote: > > > > Can you please help point out a good may to multi-home? > > > I would like to get a site put in a Co-lo in the west coast > > > and one in the east coast. Both would be different co-lo's. > > > Could I get a single ASN and handle both places with different > > > subnets under the same ASN? > > Yes but it's kludgy as your West coast router's BGP loop > detection algorithm will cause it to ignore the routes > to your East coast colo that are heard from your West coast > upstream. You can fix this, for instance, by defaulting > to a network originated by your upstream. > I am assuming you send different subnets to your > upstream(s) at either site; if both subnets together form > a supernet and you use the same upstream, you can also send > that same supernet from both East and West coasts and mark > the subnets no-export which should (a) save on prefixes and > (b) mean your advertized route is larger and less likely > to get filtered / damped. An aggregate address announcement by your upstream would also do this quite nicely... [snip] > > -- > Alex Bligh > VP Core Network, Concentric Network Corporation > (formerly GX Networks, Xara Networks) > > >
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