From: Christian Schwarz <cs-linuxnet@xxxxxxxxxxxxxxxxxx> Date: Thu, 16 Oct 2008 10:36:57 +0200 [ netdev is the place to post if you actually want a knowledgable person to look into your problem ] > We're running a Debian Linux router with masquerading enabled > to access a customers site. The customer connection has a lot of > packet loss, so we receive some TCP SACK-messages. > > Our old system with Debian 3.1 and Kernel 2.4.xx handled this correctly, > but after upgrading to Debian 4.0 and Kenrel 2.6.26.5, sometimes the > SACK-queries are answered with a TCP RESET by the kernel. Without any example tcpdump traces it is impossible for anyone to help debug this problem. > Background question: we have the following setup: > > client host -> router w/ masquerading -> target host > > When the target host sends a SACK-query, is it the router's job to > resend the packets or is this the client host's job? The end node TCP stack does this, the router doesn't do this. -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
