Re: [LARTC] Traffic Shaping

[Sahil Gupta - NET4U <sahil@sahil.net.nz>]

As below with ###.

Regards,

Sahil Gupta
NET4U Limited

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On Tue, 25 Dec 2001, bert hubert wrote:

> On Wed, Dec 26, 2001 at 01:04:32AM +0000, Sahil Gupta - NET4U wrote:
> > Hello everybody,
> > I own a small ISP in New Zealand and have recently purchased additional
> > bandwith for telehousing customers.  Currently all of them connect through
> 
> 'telehousing' = 'colocating'?
###YES.
> 
> > to the Cisco Router, what I wanted to do was to have a linux gateway on
> > the network which could basically run Traffic Shaping etc.  and then
> > assign the Cisco Router's Ethernet Interface a Local Network I.P. only
> > telnettable by the Gateway.
> > 
> > Does anybody know what the best way to do this is?  
> 
> You just described it. First configure the Linux box with two network
> interfaces. Make a tiny subnet between your cisco and the Linux machine, and
> assign both the cisco and the linux machine an ip address in that subnet.
> May even be a point-to-point route.
###The Cisco currently has 10.0.0.1.  The Linux Gateway has 2, one
external and 10.0.0.2 and it works beautifully.
> 
> Then assign the 'inner' interface of your linux machine the former address
> of your Cisco, so all customers talk to it automatically. 
What we want to do is to ensure the packets flow through the Linux
Gateway, so we have added 2 NIC's.  I can get it to the stage where the
Linux future Gateway is to access the Net.  But when I assign 10.0.0.2 as
the Gateway it doesn't work.  I don't know what sort of routing needs to
be done on the Linux Gateway.
> 
> Make sure you have routing enabled, and have compiled in all funky shaping
> things. Now hook it up and do nothing, just let it sit there to see if it
> works as it should.
> 
> And then the fun begins!
> 
> You can also run a 'proxy arp' bridge without any configuration changes on
> either the Cisco or the telehousing customers. See the HOWTO for details.
> You can also run a real bridge (also see the HOWTO), but currently that
> means that you lose the ability to use iptables on your bridge.
> 
> That will change soon, however.
> 
> Regards,
> 
> bert
> 
> -- 
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> 


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