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Dial-up Routing problems



I have got a problem here that's been driving me nuts for about a week or so.
I did a dselect upgrade last week and now I can no longer reach sites that are
beyond my local subnets.  

I can ping any of the machines on my little toaster-box home network.
I can ping loopback.
I can ping any of the machines on my ISP's network ( dialup modem server, web
server, ldap, mailhost etc ).
But I can not ping any sites that are on the Internet.  When I do try to ping
something like sunsite.unc.edu, the DNS address is correctly resolved, but then
ping just sits there and does nothing.

I am going to go ahead and post my 'route -n' and 'ifconfig' outputs.  If you
need any more info, or have any ideas at all please let me know.


bvd@psycho:~% route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
204.158.208.92  0.0.0.0         255.255.255.255 UH    0      0        0 ppp0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        1 eth0
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        2 lo
0.0.0.0         204.158.208.92  0.0.0.0         UG    0      0       46 ppp0

bvd@psycho:~% 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:48372 errors:0 dropped:0 overruns:0 frame:0
          TX packets:48372 errors:0 dropped:0 overruns:0 carrier:0
          Collisions:0

eth0      Link encap:Ethernet  HWaddr 00:80:AD:C8:B3:D4
          inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:72 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          Collisions:0
          Interrupt:11 Base address:0x6800

ppp0      Link encap:Point-to-Point Protocol
          inet addr:204.158.208.112  P-t-P:204.158.208.92  Mask:255.255.255.0
          UP POINTOPOINT RUNNING  MTU:552  Metric:1
          RX packets:4927 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5422 errors:0 dropped:0 overruns:0 carrier:0
          Collisions:0
          Memory:4c05830-4c05c94


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