[PLUG] Comcast ARRIS TM722...
Someone
plug_1 at robinson-west.com
Thu Dec 9 07:04:20 UTC 2010
On Wed, 2010-12-08 at 20:59 -0800, drew wymore wrote:
> On Wed, Dec 8, 2010 at 7:58 PM, someone <plug_1 at robinson-west.com> wrote:
>
> > The advanced tab seems to be password locked and apparently I wasn't
> > given the password. Question is, how do I get around the fact the the
> > cable modem wants
> > to set a global ip address on the host via dhcp? This clearly would
> > mess up my Linux based routers. In Linux, can I limit what dhcp from
> > the cable modem can change? I want to set a default route in say the
> > Comcast routing table based on what the cable modem tells me instead
> > of setting this route in the default routing table. Is there a
> > modified dhcp client that works with this cable modem which will use
> > the information the modem provides and apply it appropriately?
> >
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>
> Not that I'm aware of. Comcast gear is basically bridge Michael. So you'll
> have to set up a box as a router at the iface that the Comcast router plugs
> into.
So what do I need to know? Can I add a nic to my statically configured
gateway and plug the comcast modem into it or am I stuck putting a
router appliance inbetween my Linux router and the cable modem? The
problem is, if /etc/resolv.conf gets changed that messes things up.
I also don't want the default route in the default routing table to
change. Unless... What if I create a separate routing table for
each Internet connection and mark all packets that are outbound so that
it doesn't matter what the default Internet route in the default routing
table is? I still have the issue of protecting /etc/resolv.conf though.
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