Messages in this thread | | | Date | Sun, 06 Mar 2005 19:22:30 +0100 | From | Alessandro Selli <> | Subject | Re: Vanilla kernel >=2.4.28-rc2 incompatibility with ADSL modem Dlink DSL-G300+ |
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Pedro Larroy wrote:
[....]
>>I tried changing the wiring, I swapped the ethernet ports the LAN and >>ADSL modem where connected to, I swapped the modem with an identical one >>from a colleague of mine, I upgraded to kernel 2.4.29 all to no avail. >> I then tried the 2.4.28-rc{1,2,3} kernels, and I found the 2.4.28-rc1 >>not to exhibit the problem, that manifests itself on the 2.4.28-rc{2,3} >>kernels. >> The problem is sparc-specific, a PC with the very same configuration >>(Debian stable, plain vanilla kernels etc.) did not suffer any >>connection drops.
I forgot to mention: as I was suggested to do by other people, I changed the settings of the two parameters:
/proc/sys/net/ipv4/tcp_ecn /proc/sys/net/ipv4/tcp_default_win_scale
This did not help, though.
> I have seen similar problems due to high sequence numbers on the tcp > packets on some adsl routers. Took a while to discover that since the > connection misteriously ceased to work from some boxes after some time > transmitting data ok. Looks like some manufacturers such as efficient > networks adsl routers, doesn't follow the standards. > > I'd suggest running tcpdump and doing some observation.
Thank you for your reply, I'll do as you suggested.
-- Alessandro Selli Tel: 340.839.73.05 http://alessandro.route-add.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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