Re: Problem to priorize SSH traffic

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 <[email protected]> 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.
>>
>>
>> .
>>
>
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-- 
Dave Täht
Let's go make home routers and wifi faster! With better software!
http://blog.cerowrt.org