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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!news.unimelb.EDU.AU!munnari.OZ.AU!news.mel.connect.com.au!news.mira.net.au!inquo!news.seinf.abb.se!nooft.abb.no!Norway.EU.net!EU.net!newsfeed.internetmci.com!hunter.premier.net!news1.erols.com!newsmaster@erols.com From: Ken Bigelow <kbigelow@www.play-hookey.com> Newsgroups: comp.unix.bsd.freebsd.misc,comp.dcom.frame-relay,comp.dcom.isdn,comp.unix.bsd.misc Subject: Re: subnetting through ppp interface (troubles) .... Date: Wed, 19 Jun 1996 22:07:03 -0700 Organization: Erols Internet Services Lines: 99 Message-ID: <31C8DC77.5238@www.play-hookey.com> References: <31C51985.3686@sanet.ge> <31C8CDD3.1413@www.play-hookey.com> NNTP-Posting-Host: kenjb05.play-hookey.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 2.02 (Win16; I) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:21704 comp.dcom.frame-relay:4968 comp.dcom.isdn:35049 comp.unix.bsd.misc:1144 Ken Bigelow wrote: > > Eugene Vekua wrote: > > > > I have trouble with routing to subnet trough PPP interface. > > Probably mistake is in interface configuration on subnet gateway. > > Here is description: > > > > Subnet is snet 205.197.186.8 (255.255.255.248) , gateway is tilda.snet.ge > > 205.197.186.9 , peer is portmaster pm1 205.197.184.200 (255.255.255.0). > > > > Interface configuration on tilda: > > --------------------------------- > > network_interfaces="ppp0 de0 lo0" > > ifconfig_ppp0="inet 205.197.186.9 205.197.186.200 netmask 255.255.255.248" > > ifconfig_de0="inet 205.197.186.9 netmask 255.255.255.248" > > ifconfig_lo0="inet localhost" > > > > PPP configuration on tilda: > > --------------------------- > > modem > > crtscts > > proxyarp > > domain tilda.snet.ge > > netmask 255.255.255.248 > > 205.197.186.9:205.197.184.200 > > defaultroute > > > > configuration on pm1: > > -------------------- > > add route 205.197.186.8 205.197.186.9 1 > > add netmask 205.197.186.0 255.255.255.248 > > > > RADIUS configuration: > > ---------------------- > > tom Password = "UNIX" > > User-Service-Type = Framed-User, > > Framed-Protocol = PPP, > > Framed-Address = 205.197.186.9, > > Framed-Netmask = 255.255.255.248, > > Framed-Routing = None, > > Framed-Route = "205.197.186.8 205.197.186.9 1", > > Framed-MTU = 1500 > > > > After connection all is OK with tilda (I can trace and ping it), netstat and > > ifconfig shows : > > > > Destination Gateway Flags Refs Use Netif Expire > > default 205.197.184.200 UGc 0 0 ppp0 > > 127.0.0.1 127.0.0.1 UH 0 0 lo0 > > 205.197.184.200 205.197.186.9 UH 1 0 ppp0 > > 205.197.186.8 link#2 UC 0 0 > > 205.197.186.9 0:0:c0:62:66:e UHLW 0 1 lo0 > > 224 127.0.0.1 US 0 0 lo0 > > > > de0: flags=c863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,LINK2,MULTICAST> mtu 1500 > > inet 205.197.186.9 netmask 0xfffffff8 broadcast 205.197.186.15 > > ether 00:00:c0:62:66:0e > > lo0: flags=8009<UP,LOOPBACK,MULTICAST> mtu 16384 > > inet 127.0.0.1 netmask 0xff000000 > > ppp0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1500 > > inet 205.197.186.9 --> 205.197.184.200 netmask 0xfffffff8 > > > > but when I'm tracing any of hosts in snet (for example gamma *.186.10 > > (255.255.255.248)) tilda did not respond: > > >traceroute 205.197.186.10 1 pm1 (205.197.184.200) 1.195 ms 2.042 ms 1.816 ms > > 2 * * > > > > When I am doing ping and trace, modem lights shows me that tilda receives > > packages. But it did not doing route for them. > > > > Don't know exactly where is mistake on tilda or pm1, fact is - it does > > not work. > > Please help! > > > > A couple of questions about this setup: > > You describe gamma as a member of your subnet. Do you have it listed in /etc/hosts? > If not, is it known to your ISP's nameserver? > > Am I correct in assuming that gamma is connected to tilda via Ethernet (de0)? If so, > pm1 should not be part of the route, since a gateway should only pass packets that > can't be delivered locally. In this case, traceroute should return only a single > line: gamma > > If gamma is not on an Ethernet connection, how is it actually connected to tilda? > > This list may lead you to the answer. If not, fill in the above blanks and I'll give > it another shot. > > Ken Forgot to add: If gamma is connected to tilda via ppp connection between the two, tilda should have a route defined for gamma. Then, pm1 should still be out of the picture. If your whole subnet connects through pm1, then pm1 needs to have all routes defined. So: is pm1 yours, or does it belong to your ISP? Ken