From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Richardson Date: Mon, 07 Dec 2015 13:58:06 +0000 Subject: Re: Netflix and pppd Message-Id: <31329.1449496686@sandelman.ca> 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 Yan Seiner 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: That ought to force the devices to adverise a smaller MSS, which you could investigate in the TCP SYN packets that they send. They might have hard coded 1500, though. (which would be wrong) -- ] 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 [