[Bloat] SFB tuning (was Re: Applying RED93 in south africa)

2011-05-28 Thread Otto Solares Cabrera
On Sat, May 28, 2011 at 10:07:10PM +0200, Juliusz Chroboczek wrote: > > SFB is also in this release, but lacking good scripts for it... > > SFB is supposed to be self-tuning, so it should be enough to say > something like: > > #!/bin/sh > set -e > > if=${1:-eth0} > > tc -s qdisc del roo

Re: [Bloat] Applying RED93 in south africa

2011-05-28 Thread Juliusz Chroboczek
> regretablly the SFB patches to tc didn't make this release of 'bismark > captown', just the SFB kernel backport to 2.6.37.6. You probably already know that -- but you do *not* need to patch tc in order to run SFB with the default parameters. (You need to patch tc if you want to run SFB with non

Re: [Bloat] Applying RED93 in south africa

2011-05-28 Thread Dave Taht
On Sat, May 28, 2011 at 2:07 PM, Juliusz Chroboczek wrote: > > SFB is also in this release, but lacking good scripts for it... > > SFB is supposed to be self-tuning, so it should be enough to say > something like: > > #!/bin/sh > set -e > > if=${1:-eth0} > > tc -s qdisc del root dev $if 2>/dev

Re: [Bloat] Applying RED93 in south africa

2011-05-28 Thread Juliusz Chroboczek
> SFB is also in this release, but lacking good scripts for it... SFB is supposed to be self-tuning, so it should be enough to say something like: #!/bin/sh set -e if=${1:-eth0} tc -s qdisc del root dev $if 2>/dev/null || true tc -s qdisc add dev $if root handle 1: tbf ... tc -s qdi

Re: [Bloat] Applying RED93 in south africa

2011-05-28 Thread Juliusz Chroboczek
> ecn is not being negotiated on tcp connections to SA(??), That's unfortunately pretty common. A common practice is to clear any priority information in packets coming into your network; unfortunately, a lot of routers clear the whole DSCP byte, including the ECN bits. -- Juliusz __