We try to handle framing overhead and multiple tiers of qos sanely in the cake qdisc, and also have the "sqm-scripts" which do so sanely for htb + fq_codel. (or sfq if you prefer) https://www.bufferbloat.net/projects/codel/wiki/CakeTechnical/ https://github.com/tohojo/sqm-scripts On Sat, Dec 17, 2016 at 7:49 AM, Andy Furniss <adf.lists@xxxxxxxxx> wrote: > Ludovic Leroy wrote: >> >> Hello Andy, >> >> I have put it badly. My linux system is used as a firewall/router for a >> small local network that is connected to eth0 interface. >> I have created a dedicated class on eth1 interface to access files on a >> shared network drive integrated into the DSL modem. > > > If you are shaping on eth you need to be careful what you do with arp. > > Using htb default in your setup sends arp to 99, but as you have sfq on > that it will work. If say you had pfifo on it then the arp may get > delayed long enough for the kernel to thing that the remote has gone, > which is not good. > > The default default for htb lets things through unshaped which is good > for arp. > > >> Le 17/12/2016 12:19, Andy Furniss a écrit : >>> >>> Ludovic Leroy wrote: >>>> >>>> Thanks for replying. The script is attached. Hope this helps. >>> >>> >>> $TC qdisc add dev $NETCARD root handle 1: htb default 99 r2q 5 >>> >>> SFQ saves the day, but you should be aware that using default on eth in >>> this case catches arp and sending arp to a low bandwidth class is not a >>> good thing to do. >> >> >> . >> > > -- > To unsubscribe from this list: send the line "unsubscribe lartc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Dave Täht Let's go make home routers and wifi faster! With better software! http://blog.cerowrt.org -- To unsubscribe from this list: send the line "unsubscribe lartc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
