Re: htb: HowTo identify squid cache hits

Linux Advanced Routing and Traffic Control

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On Thu, 26 May 2005 19:56:09 +0100
Andy Furniss <andy.furniss@xxxxxxxxxxxxx> wrote:

> Peter Kaagman wrote:
> 
> > But there is of course a src of packages I do not catch this way... and
> > these are the squid cache hits. Because I filter on destination the cache
> > hits get treated the same as cache misses. But cache hits are in effect
> > local traffic... they do not originate from the Internet.
> 
> If squid is running on the same machine as your htb rules then (I think) 
> the only way you can shape incoming traffic from the internet properly 
> is to use imq.

I think IMQ needed only if there are not one interface to shape.

> 
> I have not used squid - so may be wrong, but the patches will let you 
> classify hits so they can be let through at lan speed. But what about 
> misses - I assume that squid will connect to the internet and fetch the 
> data unlimited even if they then get served to the lan at restricted speed.
> 

                
Inet <-----(one for all src)NAT<--(MISSES)---(src 192.168.90.0/28 dst 'real Inet IP')Squid<---(HITS+MISSES)---hosts

Inet ----->(one for all dst)NAT--(MISSES)--->(dst 192.168.90.0/28 src 'real Inet IP')Squid---(HITS+MISSES)--->hosts

The last not fully right... But clenly illustrates the idea.

You can simply shape the MISSES on one interface...

-- 
С наилучшими пожеланиями, Панько Александр.
With best regards, Pan'ko Alexander.
pankoAA@xxxxxxxxx
http://interdon.net/~panko/
ICQ 231647363

XMMS playing nothing :-)
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