switching to an internal DSL modem -- natd, ipfw

Julian Elischer julian at elischer.org
Thu Feb 5 16:42:53 PST 2004



On Thu, 5 Feb 2004 mi+mx at aldan.algebra.com wrote:

> Hello!
> 
> My current network setup consists of the ISP-provided DSL-modem plugged
> into the little switch together with the rest of the network. One of the
> machines on the runs natd and the others use it as the default router.
> 
> To get better protection I should be using a separate Ethernet card, into
> which only the modem will be plugged in. This is not as convenient from
> the cabling prospective, however.
> 
> But what about an internal modem? Like
> 
> 	http://store.yahoo.com/softbuyweb/inpcidslmod3.html



What makes you think we have a driver for this?

> 
> It seems, en(4) should be able to use it and it should be able to connect
> to the ISP -- their modem is the Efficient Network's SpeedStream, which
> uses the same chip, most likely:
> 
> 	Hardware Interface Name  - SpeedStream 5660-R:ENI
> 	Hardware Interface Desc  - Motorola 850 SAR Alcatel/RT Adapter
> 	Hardware Serial Number   - [...]
> 	Hardware Revision Number - 00010001
> 	Hardware Instance Number - 0
> 	Driver Name              - enatm0
> 
> 	(notice the ``en'' in the driver name)
> 
> But -- will natd(8), the ipfw (4) and (8) work properly with en0? Any
> other potential problems? Thanks!
> 
> 	-mi
> 
> 
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