Wacky DHCP values that work in windows but not in FreeBSD

Julian Elischer julian at elischer.org
Mon Oct 12 22:59:45 UTC 2009


Doug Barton wrote:
> Howdy,
> 
> I usually have a wireless router connected directly to the AT&T/Yahoo
> DSL modem but last night I wanted to do some debugging so I plugged my
> laptop directly into the modem (after powering off the modem, etc.).
> 
> The values I got back from DHCP not only don't make sense, they didn't
> work in FreeBSD at all. Dual-booting to Windows showed that the values
> I saw from DHCP were "correct," and somehow they managed to work.
> Taking a closer look at the router after I plugged it back in showed
> the same.
> 
>         Dhcp Enabled. . . . . . . . . . . : Yes
>         Autoconfiguration Enabled . . . . : Yes
>         IP Address. . . . . . . . . . . . : 76.212.147.xxx
>         Subnet Mask . . . . . . . . . . . : 255.255.0.0
>         Default Gateway . . . . . . . . . : 151.164.184.xxx

huh?

only way this could work would be if it was marked as "point to point"
I think..

>         DHCP Server . . . . . . . . . . . : 192.168.1.xxx
>         DNS Servers . . . . . . . . . . . : 192.168.1.xxx
> 
> Can anyone tell me how they managed to get this to work in Windows,
> and suggest where to look to get it working in FreeBSD?
> 
> 
> Doug
> 



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