[Cake] flow_hash vs host_hash

Toke Høiland-Jørgensen toke at toke.dk
Tue Oct 6 04:28:32 EDT 2015


Sebastian Moeller <moeller0 at gmx.de> writes:

> Hi Toke,
>
> On Oct 6, 2015, at 10:13 , Toke Høiland-Jørgensen <toke at toke.dk> wrote:
>
>> Sebastian Moeller <moeller0 at gmx.de> writes:
>> 
>>> 	I believe you nailed it, but the pony will still work on egress,
>> 
>> Don't packets hit the qdisc after NAT has been applied?
>
> 	As far as I know not for IFBs; that is the reason why we need tc filters
> on ingress and can not use netfilter. And why using iptables to map the DSCP to
> zero will still result in our shaper seeing the DSCP markings from upstream
> (which I could confirm happening for IPv6, as my ISP conserved flent’s DSCP
> marks, so I saw nice priority band based stratification in flent's graphics). I
> think that IFBs predecessor IMQ was different in that regard.

No, I meant on egress...

-Toke



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