RE: [LARTC] How could I do this?

[devik <devik@cdi.cz>]

Ehh sorry it is a lot of writting. Look at LARTC HOWTO
12.4 section. Basicaly if you have ip A.B.C.D then you
can base hash source on D for several fixed A.B.C.
Then you will end with at most N/256+1 lookups for N
ip addresses.

devik

On Sat, 8 Dec 2001, yangrunhua wrote:

> Can you give me an example?
> Thanks.
>
> -----Original Message-----
> From: lartc-admin@mailman.ds9a.nl [mailto:lartc-admin@mailman.ds9a.nl]
> On Behalf Of Martin Devera
> Sent: 2001Äê12ÔÂ8ÈÕ 15:58
> To: yangrunhua
> Cc: lartc@mailman.ds9a.nl
> Subject: Re: [LARTC] How could I do this?
>
> IMHO u32 with hashes could be used for this. Other interesting
> way is that CBQ & HTB allows you to set packet's class from
> priority. When priority is 0x10003 then the packet is queued
> directly into 1:3 queue.
> You can simly modify classifier (in fact I will do it for
> HTB) to allow such selection thru fwmark.
> You can then mark flows by iptables .... --set-mark 0x10003 to
> assign packet into 1:3 class ..
>
> HTH, devik
>
> On Sat, 8 Dec 2001, yangrunhua wrote:
>
> > If I want to limit bandwidth from a lot of ip addresses( every ip has
> a
> > limit),
> > How could I improve performance( If I could use netfilter  to mark the
> > ip packet with the bandwidth assigned to
> > the src ip of packet), normally, this could only be done only by: one
> > qdisc per ip, then there will be too many
> > filters to classify them based on fwmark(and u32 + hash can't satisfy
> my
> > demand that limit bandwidth for every ip, not for ip group),
> > but it try to match line by line, then if many, the performance will
> go
> > down.
> > Many thanks
> >
>
>
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