Exactly, The problem is not for own ip space, its for a downstream customer ips space, they have several providers and want to favor our link for some ip ranges. They are prepending such ranges to the other providers to favor our link.
Gino A. Villarini g...@aeronetpr.com Aeronet Wireless Broadband Corp. tel 787.273.4143 fax 787.273.4145 -----Original Message----- From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of David Sent: Tuesday, June 09, 2009 3:02 PM To: 'WISPA General List' Subject: Re: [WISPA] Need BGP Support ASAP You prepend the link you want to disfavor. The more you prepend the longer a route will look. David > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On Behalf Of Gino Villarini > Sent: Tuesday, June 09, 2009 12:57 PM > To: WISPA General List; can...@believewireless.net > Subject: Re: [WISPA] Need BGP Support ASAP > > Should I not prepend to favor our link? > > > Gino A. Villarini > g...@aeronetpr.com > Aeronet Wireless Broadband Corp. > tel 787.273.4143 fax 787.273.4145 > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] > On Behalf Of Michael Baird > Sent: Tuesday, June 09, 2009 2:52 PM > To: can...@believewireless.net; WISPA General List > Subject: Re: [WISPA] Need BGP Support ASAP > > You mean prepending AS numbers, not routes. Prepending will also > lengthen the the calculation, so if they are prepending to you, this > would the route through your link less favorable to the outside world. > > Are you seeing the prepend coming from their routers? On a cisco it > would be show ip neighbor <ipaddress> received-routes, if you are > seeing the prepend from them, check and see if you are forwarding them > on to your upstream show ip neighbor <ipaddress of upstream interface> > advertised-routes. If you see these in both places, it's most likely > your upstream not allowing the prepend. > > Regards > Michael Baird > > Did you notify your upstream that you be advertising your customers > routes? > > > > On Tue, Jun 9, 2009 at 2:24 PM, Jeff Broadwick<jeffl...@comcast.net> > wrote: > > > >> I recommend Tony Mattke for dynamic routing work. > >> > >> t...@mattke.net > >> > >> Regards, > >> > >> Jeff > >> > >> -----Original Message----- > >> From: wireless-boun...@wispa.org > >> [mailto:wireless-boun...@wispa.org] > >> On Behalf Of Gino Villarini > >> Sent: Tuesday, June 09, 2009 2:22 PM > >> To: WISPA General List > >> Subject: [WISPA] Need BGP Support ASAP > >> > >> Anyone available for some BGP support? > >> > >> Im providing Internet service to another ISP, they are prepending > >> some routes to favor our link, still my router doesnt acknoledge it > >> > >> > >> Gino A. 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