Re: [LARTC] SEPARATING VOIP AND SURFING

[Andy Furniss <andy.furniss@dsl.pipex.com>]

Ricardo Soria wrote:
> Well, as I promised, here I am again :-)
> 
> I have not got ESFQ yet, but what I think really
> helped was shorting bandwidth capacity to its 88%. 
> But here I have a new problem again:  there are
> certain moments when I am really running out of
> bandwidth.  The scenario now is as follows:
> 
> I am using my linux box as a router;  forwarding
> packages from on subnet to another.  But, since I have
> only one interface (eth0) for this purpose, both
> incoming and outgoing traffic passes for this
> interface.  So, I though it was correct to duplicate
> bandwidth capacity (512kbit * 88% = 450kbit * 2 > 900kbit), considering that I have 512kbit for uplink
> and 512 for downlink.  So, I am now considering a
> rate/ceil of 900kbit for eth0 on my script. 
> Everything appeared to be OK, But, since I did this
> change, there are certain moments that I run out of
> downlink bandwidth, so, I think the script is trying
> to take more thank the total 512 of downlink I have.
> 
> So, my question would be, how to 'divide' or
> 'recognize' incoming and outgoing traffic, and to
> treat it as different channels??  I was thinking about
> using a IMQ device for incoming traffic, but this
> apperas to be a 'little bit' more complicated that
> what I expected.  So, may it be a way to do this
> without installing IMQ ??

Yes you will need IMQ.

I assume you can mark traffic from/to the ciscos.

The detail depends on your exact setup - NAT, link speeds and type of 
link from ciscos etc.

Do you just wan't to shape traffic forwarded from internet to remote subnet?

Andy.


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