On 14.01.2011 12:06, Patrick W. Gilmore wrote: > On Jan 14, 2011, at 4:58 AM, Harris Hui wrote: > >> We have an AS Number AS2XXXX and have 2 /24 subnets belongs to this AS >> Number. It is using in US and peering with US Service Providers now. >> >> We are going to deploy another site in Asia, can we use the same AS Number >> AS2XXXX and have 2 other /24 subnets and peering with other Asia Service >> Providers? >> >> Will it affect the routing or BGP Path of our existing subnets in US? > > It will not. There was a thread on this a short while ago, check the > archives. > > The big question is whether the two sites will be able to talk to each other. > There are ways to make that happen, but by default, a router in asXXXX will > not accept eBGP announcements which include asXXXX (loop detection). >
allowas-in will do the trick
