North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Seeking Comcast Contact: need to troubleshoot packet loss and/or asymmetric routing issue between Comcast & Onvoy
On Thu, Aug 02, 2007, Jim Shankland wrote: > Linux has a nifty iptables option (clamp-mss-to-pmtu) to rewrite the > MSS in TCP SYN packets when forwarding a packet onto a link with > a lower MTU than the MSS in the packet. Works like a charm. If every > packet forwarding device on the Internet did this, PMTUD would not be > needed. As is, PMTUD is simply broken, due to widespread firewall > misconfiguration. As in so many other cases of Internet misbehavior, > you can avoid being part of the problem, but you can't be the solution. .. non-TCP traffic? Adrian
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