Quoting Basil Fowler <bjfowler@chanzy.eclipse.co.uk>:
You may have seen the thread started by me over a similar sort of routing problem about a week to ten days ago. That may help. Hopefully the thread
is archived.
I read it thoroughly.
One extra tip that may help, it certainly helped me when when for some obsure
reason I could only receive certain BBC streams on-line and not others.
Set your firewall to log all dropped packets. Look in /var/log/messages for
lines with DROP. This will provide very valuable clues.
This is no firewall rules issue. Even when the firewall is down there is nothing in /var/log/messages
Use 'ping' to check that the internal connections are up. If you can't ping
your modem, you will get no further either literally or metaphorically.
The address for Alcatel modems is 10.0.0.138.
When the firewall is up, I cannot ping any thing but that is normal as the fxw blocks ICMP requests. I use PPPoE, so my regular outter world interface is ppp0. The connection runs fine, otherwise I could not use the Webmail I am currently relyin on to send this message.
I have a backup dialup account on ppp0. I have found that if I activated the
Regards J6M