[clue-tech] Qwest DSL download speed reduced

[Angelo Bertolli]

Bruce Ediger wrote:

> On Fri, 26 May 2006, Nate Duehr wrote:
>
>> I'm PPPoA on Qwest's Englewood Central Office.  But I'm also tied to 
>> FRII as my ISP.
>
>
> Thanks for bringing that up.  I've been wanting to put a linux box
> with 2 ethernet card in it between my DSL router (Cisco 675!) and the
> rest of my basement-area network, so that I can see what crap packets
> come to me.
>
> Right now, I have the Cisco 675 in "routing" mode, which means it has
> an IP address visible to the world, presents itself as 10.0.0.1 to
> the basement-area network, and does DHCP to machines on the basement-area
> network.
>
> I've tried to google for how-tos, etc to find out what I need to do to
> interpose a linux box between DSL router and basement-area network,
> but other than putting the Cisco 675 into "bridging" mode, I don't
> find anything.
>
> Does anybody know what I'd have to do, or has anybody done this?

I think you can just have iptables forward and duplicate packets as 
necessary.  I haven't done this, but I'd start looking here:

http://yolinux.com/TUTORIALS/LinuxTutorialNetworkGateway.html