Re: PPP Configuration: Getting Hooked Up to my ISP
With a private net IP number (192.168.x.y) you cannot access anyone other
than your ISP unless he is masquerading you.
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Lindsay Allen <allen@cleo.murdoch.edu.au> Perth, Western Australia
voice +61 8 9316 2486 32.0125S 115.8445E vk6lj Debian Unix
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On Fri, 13 Mar 1998, M. Fong wrote:
> Status: Stage 2: Further along, running into DNS issues
>
> Thanks for the suggestions thus far:
> I had a shell script which didn't have the correct 'executable'
> permissions. Something like rw-rw-rw instead of chmod 777
> /etc/ppp/<whatever_script>.
>
> Here is how far I have progressed:
> 1. Executing pppd now dials out (I never got this far in Stage 1 becaues a
> script file did not have execute
> permissions hence it was unable to call chat())
> 2. Logging into the ISP successfully
> 3. PAP authentication works fine
> 4. I can ping the ISP's gateway machine.
>
> << BRICK WALL>>
> 5. I cannot ping anything that is not localhost or the gateway (see below)
> Ex. 'ping sunsite.unc.edu'
>
> 6. DNS configuration does not seem configured properly. I am inferring this
> by
> comparing my output of ifconfig() and route () with the output example
> in the
> PPP-HOWTO document.
>
> ----------------------------------------------------------------------------
> -------------------------
> # pppd& <--- Logs in fine and the connection is up.
>
> # ifconfig
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Bcast:127.255.255.255 Mask:255.0.0.0
> UP BROADCAST LOOPBACK RUNNING MTU:3584 Metric:1
> RX packets:387 errors:0 dropped:0 overruns:0
> TX packets:387 errors:0 dropped:0 overruns:0
> ppp0 Link encap:Point-Point Protocol
> inet addr:192.168.1.1 P-t-P:209.142.30.4 Mask:255.255.255.0
> UP POINTOPOINT RUNNING MTU:1524 Metric:1
> RX packets:16 errors:0 dropped:0 overruns:0
> TX packets:37 errors:0 dropped:0 overruns:0
>
> # ping 209.142.30.4 <-- ISP Gateway machine works fine
> PING 209.142.30.4 (209.142.30.4): 56 data bytes
> 64 bytes from 209.142.30.4: icmp_seq=0 ttl=255 time=404.9 ms
> 64 bytes from 209.142.30.4: icmp_seq=1 ttl=255 time=370.0 ms
> 64 bytes from 209.142.30.4: icmp_seq=2 ttl=255 time=350.2 ms
> 64 bytes from 209.142.30.4: icmp_seq=3 ttl=255 time=380.0 ms
>
> # ping sunsite.unc.edu <-- Without DNS lookup, this puppy is lost
> <Nothing doing...>
> #
>
> # route -n
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use
> Iface
> 209.142.30.4 0.0.0.0 255.255.255.255 UH 0 0 1 ppp0
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 7 lo
> 0.0.0.0 209.142.30.4 0.0.0.0 UG 0 0 15 ppp0
>
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