Hi Bryan,
Please review the routing table as well. It looks like you have two default
gateways defined-one through eth0 and ppp0.
GOOD LUCK...
Regards,
Marlon Nacario
Research & Development Dept.
Ericsson Communications Ltd.
12 Wakefield St., Onekawa
Napier, NZ
Phone No. (64) 6 8310200 EXT 6873
Direct Line: (64) 6 8310273
e-mail: [EMAIL PROTECTED]
> -----Original Message-----
> From: Derrick E Barbour [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, January 27, 1999 5:31 PM
> To: Rick Marshall
> Cc: Bryan Taylor; linux ppp
> Subject: Re: Routing Problem with Ethernet and PPP
>
> Hi Bryan,
>
> Rick is correct, with the possible exception of the 'ping' issue.
>
> After you setup "ipfwadm", your Linux box is the running in "ip
> forwarding" mode... <read, it's a router>, AND if you have also
> implemented "ip_masquerading" <other terms are NAT "network address
> translation, or in the Cisco world PAT "port address translation">, at
> this point, you should have full visibility.
>
> There are some 'funky' routing issues with "ip_masquerading", but that's
> a lesson for another day.
>
> You require the "ip_masquerade" because you are using a "private address
> space" on your LAN. I agree with Rick's suggestion to use
> "192.168.1.xxx" rather than "192.168.0.xxx". I too have encountered
> Microsloth products which 'gag' on portions of the ip address space. M$
> undoubtedly considers those to be "features"... <grin>
>
> Happy "Linuxing"
>
> Best regards
> Derrick Barbour <----- ex-patriot Newfie, in Washington DC
>
>
> Rick Marshall wrote:
>
> > Bryan Taylor wrote:
> >
> >> Hello, Wonder if anyone has the time to take a look at what I have
> >> done, I have tried everything I can think of but I still cannot get
> >> it to work right, had it working before, a while back, but never
> >> saved the settings I was using for the routing table... :) I have a
> >> three computer lan set up as follows:192.168.0.1 Linux Slackware
> >> 3.6.0192.168.0.2 Windows 98192.168.0.3 Windows 95I want to
> >> have all three machines on the local network as well as route
> >> through the Linux machine to the Internet via PPP, I can connect and
> >> surf, ftp, etc, but I cannot ping outside of the machine I connect
> >> to, and none of the windows machines will go past the linux
> >> machine. The config on the win machines is correct, but the routing
> >> table is shagged up in Linux. Here is a look at my setup
> >> files,/etc/rc.d/rc.inet1 contains the following
> >> lines.---------------------------/sbin/ifconfig lo
> >> 127.0.0.1/sbin/route add -net 127.0.0.0 netmask 255.255.255.0
> >>
> loIPADDR="192.168.0.1"NETMASK="255.255.255.0"NETWORK="192.168.0.0"BROADCAS
> T="192.168.0.255"GATEWAY="192.168.0.1"/sbin/ifconfig
> >> eth0 ${IPADDR} broadcast ${BROADCAST} netmask ${NETMASK}/sbin/route
> >> add -net ${NETWORK} netmask ${NETMASK} eth0 if [ ! "$GATEWAY" =
> >> "" ]; then/sbin/route add default gw ${GATEWAY} netmask
> >> 255.255.255.0 metric 1fi /etc/ppp/options (works
> >>
> ok.)-----------------------crtsctsasyncmapdefaultroutemodem/dev/ttyS10.0.0
> .0:noipdefaultipcp-accept-remoteipcp-accept-localdebug
> >> /etc/hosts
> >> /etc/hosts.conf--------------
> >> ----------------------127.0.0.1 localhost
> >> order hosts, bind192.168.0.1 victory multi
> >> on After system startup, route -n shows the following routing
> >> table.Destination Gateway Genmask flag
> >> metric ref use iface192.168.0.0 0.0.0.0
> >> 255.255.255.0 U 0 0 6
> >> eth00.0.0.0 0.0.0.0 255.255.255.0 U
> >> 1 0 0 eth0127.0.0.0 0.0.0.0
> >> 255.0.0.0 U 0 0 1 lo After
> >> running ppp-go and connecting to the net and receiving local and
> >> remote IP's the routing table looks like this: Destination
> >> Gateway Genmask flag metric ref use
> >> iface142.163.7.190 0.0.0.0 255.255.255.255 UH
> >> 0 0 0 ppp0192.168.0.0 0.0.0.0
> >> 255.255.255.0 U 0 0 6
> >> eth00.0.0.0 0.0.0.0 255.255.255.0
> >> U 1 0 0 eth0127.0.0.0
> >> 0.0.0.0 255.0.0.0 U 0
> >> 1 lo Now I type/sbin/route add default ppp0to add the default
> >> route to ppp0 and then add this line to the table
> >> above...Destination Gateway Genmask flag
> >> metric ref use iface0.0.0.0 0.0.0.0
> >> 0.0.0.0 U 0 0 0 ppp0 Now
> >> that I am connected I try a few thigns to see what works.ping
> >> 204.101.251.1 (My nameserver on ISP) no replyping
> >> www.nf.sympatico.ca (ISP Web server) and I get a reply.ping
> >> 142.163.7.190 (Remote connection) and I get a replyanywhere else, no
> >> reply.Ftp anywhere and it works.Fire up X and load netscape and
> >> browse all day long, works ok.Windows machines cannot see the
> >> internet at all... :(connected to the net or not, I can ping to and
> >> from all three machines I have here on the lan perfectly, but not
> >> past the linux machine.I know it is a routing problem, but what I
> >> need is wha tI am not sure of, looks like I am not pointing to a
> >> gateway when connected to the internet... or I am pointing to two
> >> gateways and packets are getting tossed in a loop...Also, If I load
> >> up Internet Explorer on my windows machines and http://192.168.0.1,
> >> I get connected to the Apache Web server on the Linux Machine, and
> >> all is well there. Anyone got any ideas??? Once I get this working I
> >> am gonna store the settings on my web page in case someone else
> >> needs them or if I need them myself.
> >
> > You need ipfwadm setup to get from the windows boxes to the outside
> > world. But even then I don't think you can ping through the gateway.
> > You need to be on it. Also I never use 192.168.0.nnn, use
> > 192.168.1.nnn instead because some MS products don't like a 0 in the
> > network address.
> >
> > I use
> >
> > FW=/sbin/ipfwadm
> >
> > ${FW} -F -f
> >
> > ${FW} -F -a m -P tcp -S 192.168.1.0/24
> > ${FW} -F -a m -P udp -S 192.168.1.0/24
> >
> > ${FW} -M -s 3600 0 0
> >
> > in my rc.local file.
> >
> > This is straight from the Masquerading howto. You need to turn on
> > masquerading in the kernel.
> >
> > Rick
>
>
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