[Bloat] About Setting Bandwidth limit with or without ethernet overhead?

[Y]

In addition 
This connection is 1Mbps upload PPPoA via 100Mbps ethernet.

Thanks.

On Thu, 8 Nov 2018 06:48:30 +0900
Y <intruder_tkyf at yahoo.fr> wrote:

> Hi , Dave
> Thank you for your reply.
> 
> I should show you tc-stab setting.
> 
> My connection is PPPoA via ethernet. PC connects ethernet directly.
> 
> ####stab linklayer atm overhead -4
> 
> I add PPPoA overhead 10 + Ethernet overhead -14 = -4
> But, settled Bandwith is 98% of link speed ( I mean this is
> settled bandwidth without ethernet overhead).
> 
> I should shape more?
> 
> Thanks.
> 
> On Wed, 07 Nov 2018 11:28:47 -0800
> Dave Taht <dave at taht.net> wrote:
> 
> > Y <intruder_tkyf at yahoo.fr> writes:
> >   
> > > Hi, I am Yutaka.
> > >
> > > I connect internet via ethenet.	
> > > Shoud I set Bandwidth limit with or without ethernet overhead in
> > > any qdiscs?
> > > When I measured , It seems setting without ethernet overhead is
> > > correct.    
> > 
> > It depends on your next hop's framing. If you are on ethernet going
> > to ethernet, then you should set ethernet. If you are on ethernet,
> > going through a cablemodem, set docsis. If you are on ethernet,
> > going through dsl or something else, you set the framing
> > appropriately.
> > 
> > Without setting the framing appropriately you can run into
> > situations where your shaper can be 60% in accurate (dsl).
> >   
> > >
> > > Thanks.
> > > _______________________________________________
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> > > Bloat at lists.bufferbloat.net
> > > https://lists.bufferbloat.net/listinfo/bloat    
>