From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yan Seiner Date: Mon, 07 Dec 2015 12:17:07 +0000 Subject: Re: Netflix and pppd Message-Id: <566578C3.2050508@seiner.com> List-Id: References: <566461FE.4090003@seiner.com> In-Reply-To: <566461FE.4090003@seiner.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ppp@vger.kernel.org On 12/6/2015 11:05 PM, Michael Richardson wrote: > Yes, like James, I'd say that your problem is MTU issues with the PPPoE. > Aside from the usual mss-clamping solution, you could also lower the MTU > on the "lan2" to 1460 or so. > DHCP should tell the other boxes about that, and things may work better. Yes, I am forcing the MTU to 1464 via DHCP. However, I tried adding this: iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu to my iptables script and that seems to have cured the problem, at least for this morning. Thanks for the nudge. --Yan > > -- > ] Never tell me the odds! | ipv6 mesh networks [ > ] Michael Richardson, Sandelman Software Works | network architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails [ >