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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.wildstar.net!serv.hinet.net!spring.edu.tw!news-peer.gsl.net!news.gsl.net!howland.erols.net!newsfeed.internetmci.com!uuneo.neosoft.com!news From: Doug Walker <dwalker@atomic.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Routing for a subnet with FreeBSD Date: Thu, 05 Dec 1996 14:40:57 -0600 Organization: Atomic Games Lines: 63 Message-ID: <32A73359.2049@atomic.com> References: <chad-2611961220400001@c_leigh.dtint.com> NNTP-Posting-Host: 206.109.89.66 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0 (Win95; I) I played with almost this exact setup (although one of the links is PPP) for 5 days and got absolutely nowhere. last night I just decided to add static routes on the machine with the direct connection at our ISP to each subnetted machine. Works great, but only in a pretty static situation. If you figure this out please let me know either here or mailto:dwalker@atomic.com Thanks Doug Walker Chad Leigh wrote: > > Hi > > I have a set of (currently) 4 machines I am colocating at my ISPs. He has > given me one 10bT wire and set me up on one of his segments. He has > assigned me one IP in his subnet and is routing stuff to me through that > IP. > > I have a class C network assigned to me. I want to subdivide that Class C > so that one subnet of 128 (upper 128 addresses minus whatever overhead) is > at my colocation and one subnet (first 32 addresses) is at my other > location over my feed. The other subnets will be assigned as needed. > > The 4 co-located machines are hooked to a dumb hub at the ISPs location. > This hub is hooked to his hub. > > I have designated one of my machines to act as a router for my subnet there. > > What I want to do is have the main IP address (from /etc/sysconfig) set to > the address in the ISPs subnet space (being routed too). I want to assign > the ethernet port an alias IP address existing in my subnet. The router > for this machine is assigned to be the router for the ISPs subnet. All > other machines have addresses in my subnet. What I need to know is where > to put the alias IP address ifconfig (adding an extra ifconfig_de0 seemed > to screw up the startup) and the commands needed (including netmask) to > set up routing for this machine and others in the subnet. This machine > needs to route packets coming in on the ISP assigned address to machines > in the subnet and also needs to take packets from them (or itself) > destined for outside the subnet and route them out. > > The ISP assigned IP is 199.104.120.223 and the router for this network is .1 > > My Class C is 204.228.145.0 > > The subnet at the ISP is 204.228.145.upper128-addresses > > The subnet at my other location with a link to the ISP is 204.228.145.first32 > > The main machine doing the routing has the IPs 199.104.120.223 and > 204.228.145.130 > > Please help me get the places for the various setups (sysconfig etc) and > exactly what to put in there (ifconfig, route add, etc). I played around > with this last night for almost two hours without great success. The main > machine itself can route for itself to the ISPs net but nothing else. > > Thanks > Chad