From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerry Creager N5JXS Date: Tue, 10 Jul 2001 12:26:21 +0000 Subject: [LARTC] Convoluted routing problem MIME-Version: 1 Content-Type: multipart/mixed; boundary="------------A084007AF4C1544893E36D46" Message-Id: List-Id: To: lartc@vger.kernel.org This is a multi-part message in MIME format. --------------A084007AF4C1544893E36D46 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Apologies in advance if I've offended by including a graphic, but the network's not real straightforward, and I've spent the better part of a year travelling back and forth ascertaining that this appears to be "reality." The documentation, such as it is, doesn't look much like this but the network _works_ like this. I've a network that I need to add some multihome capability to, but I'm at a loss as to how to do it. Currently, the ISPs labelled ESC6, ESC6 and GSC are active, using T-1s (or fractional T-1s) to provide connectivity. We've recently lit up a DS-2, to Gigapop, and want to provide destination-based (AS-based) services to Internet-2 for the network via the DS-2 connection. Only Internet-2, at this point, although the schools may want to have us help them get better regular Internet services later... All 5 entities have independent, single, static IP addresses for their Proxy/NAT boxes. None of the existing routers are capable of BGP or OSPF at this point. All entities do NAT for multiple subnets within their proxy boxes. Some of the proxys are Linux w/ N2H2, some use Microsoft Proxt, and one uses Linux/squid and Apache as a web proxy. It's unlikely that the N2H2 or Microsoft Proxy boxes will be changed. I've looked at this for some time. I bounced it upstairs and we spent 4 hours yesterday pounding on this, with some of the best networking minds I have directly available to pick. If anyone's got suggestions, I'd love to hear them, either on or off-list. TIA, gerry -- Gerry Creager -- gerry@cs.tamu.edu Network Engineering |Research focusing on Academy for Advanced Telecommunications |Satellite Geodesy and and Learning Technologies |Geodetic Control Texas A&M University 979.458.4020 (Phone) -- 979.847.8578 (Fax) --------------A084007AF4C1544893E36D46 Content-Type: application/octet-stream; name="RESNET-20010704.dia" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="RESNET-20010704.dia" H4sIAAAAAAAAA+1d3XMbN5J/11/Bcl7uqigIaHwvnWzFWleS2iSXilyVrX1xURYt80KTKoqK o3u4v/26MZQtkjPkDAZDjXLIQxKKwwYw6F9/o/Hy739+nA3+mCxvp4v51y8E4y/+/s3Jy6vp +Ho5/jjAL+e3f8NPX7/4sFrd/O3s7NOnT2x2fzteLZZsNr1jt5Oz/x3PZuMzfOjsxTcng8HD j6/GqzF9xr+MV6vl9PJuNRnMxx8nX7+4HL/7/Xq5uJtfvSiewGfeLWaL5eCP8ezrF1+9D/+8 OFv//Ozz7yvo3YxvJsvHpD7eLG6n+PXq/mbn65Lf078ffY9P3OID8+tvvvpxslpNll+9PFv/ 4QuN7UmVEl59HC+vp/NN2svJeFYsVDwssT7Fy+QUZ8kpLpNTnN6+vVksV8vxdLVJ9XKxmE3G 84Lw+/HsdtKc+O278Qz3tmq6nIHX2kNzwu+nq9Viz3xXy7tJFNVP06vVh03C0/kq+u0ixQ+T 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