Date: Sat, 3 Jan 1998 10:18:03 -0500 From: Norman C Rice <nrice@emu.sourcee.com> To: Jason McKay <jasonm@barney.webace.com.au> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: PPP and Routing Problems Message-ID: <19980103101803.44304@emu.sourcee.com> In-Reply-To: <Pine.BSF.3.96.980103214432.15808B-100000@barney.webace.com.au>; from Jason McKay on Sat, Jan 03, 1998 at 09:47:03PM %2B0800 References: <199801031319.XAA04332@al.imforei.apana.org.au> <Pine.BSF.3.96.980103214432.15808B-100000@barney.webace.com.au>
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On Sat, Jan 03, 1998 at 09:47:03PM +0800, Jason McKay wrote: > Sorry, > > No we are doing the routing, we have a C class address of 203.25.160.x .. > All our machines attached to our LAN are using addresses from that pool. > PPP clients are also given an address from our pool. Are you using packet filtering with user-mode ppp (dfilter)? Are the ppp clients on the same subnet as the local users that work? Does `arp -a' report the ppp client's permanent published proxy? Does `sysctl net.inet.ip.forwarding' return `net.inet.ip.forwarding: 1'? Is IP_FIREWALL enabled in your kernel? Are you running routed? What version (release date) of user-mode ppp are you running? Are you sure the FreeBSD box isn't forwarding the packets? Perhaps a ppp client can run traceroute (or TRACERT) to your router to see whether the packets are forwarded. Can you `tcpdump' the ppp client during this activity? How about publishing the following? netstat -rn arp -a /etc/ppp/ppp.conf (with password stuff changed) a simple network drawing (ppp client, FreeBSD box, and router) showing the IP addresses and netmasks > > Thank you, > Jason McKay. > > On Sat, 3 Jan 1998, Peter Childs wrote: > > > In article <Pine.BSF.3.96.980103202858.15683A-100000@barney.webace.com.au> you wrote: > > > I'm having a routing problem with ppp, users can successfully > > > connect with ppp and access our other machines on the LAN ... But they > > > can't access the outside world. Gateway is set to YES in rc.conf, and > > > enable proxy is in the ppp.conf file. Shell users can access the outside > > > world without any problems. It's only restricted to ppp users. > > > > Is telstra routing the addresses that you allocate to your ppp clients to > > you? Are they on the same class C as yourself? Could you elaborate > > on your network setup a little more? > > > > Ta. > > > > Peter > > > > -- > > Peter Childs - finger pjchilds@al.imforei.apana.org.au for PGP public key > > > > We are FreeBSD, resistance is related to current and voltage... > > > > -- Regards, Norman C. Rice, Jr.
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