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On Thursday 24 June 2004 16:21, Andrea Giuliano wrote:
> It's an Ethernet ADSL modem, namely the Siemens Gigaset. I'll try
> tcpdump as soon as possible.
Many times looking at tcpdump in one terminal window and trying things in
another has given me the big clue :-) I would be looking at the DNS
resolution behaviour (UDP port 53 traffic) especially hard first.
> > You should consider turning off ECN as a test too since some routers
> > choke on it.
> > echo 0 > /proc/sys/net/ipv4/tcp_ecn
>
> What's that?
Explicit Congestion Notification. It is a bit in the TCP header, I think.
Some router devices cannot handle seeing it and have a mental attack. FC2
can issue it by default.
> > Also, what is your network setup like generally?
>
> Well, I started configuring eth0 and ppp0, but in an Italian document I
> found a different suggestion: remove eth0 (using the "Network" menù
> item), then add an xDSL connection with just a name ("Alice"), username
Heh, I just got wifi working here using a similar trick :-)
system-config-network is really cool once you can get it started with such an
ifcfg-* file.
I have no experience with ADSL unfortunately, but I would imagine you can do
tcpdump -i Alice and just see traffic headed down there.
- -Andy
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