[EMAIL PROTECTED] wrote:
> I have been wrestling with getting a WinXP to dual boot with astlinux
> so I can build a new astlinux on new CF disk. Then I can transfer any
> changes I want into the new one.
>
> PROBLEM: WinXP boots up with 169.254.x.x as network address. Can't
> see internet.
>
> astlinux - ifconfig eth0 shows IP address 68.38.105.1 MAC address
> yada yada eth1 show IP address 192.168.101.1
>
> ONLY if I POWER down the cable modem (Motorola SB5100) for comcast,
> and the dual boot pc. I wait 5+ minutes, and power up the modem.
> Wait 5+ more power up the PC in WinXP OS. Yes it works but why ?
>
> Now I can see the web page for the cable modem 192.168.100.1 The IP
> address is now: 68.38.108.194 . There is now a DNS and DHCP working
> too. Automatic IP discovery works now.
>
> Why if I am using the SAME hardware (PC, NIC cards etc.) does this
> require a REconstrucion of the cable modem when switching OSs ? The
> MAC address are the same (same hardware).
>
> I also had to do the REconstruction method when switching back to
> astlinux. I an not at the astlinux PC right now to reverify but I
> believe the IP address is the same as it started wtih: 68.38.105.1
> for eth0.
>
> I googled all over and there is explaination that the MAC address is
> loaded into the cable modem during REconstruction so when one changes
> the equipment connected to the cable modem one needs to do that
> again. But why dual boot OS requires it also ?
>
> Rich Sias _______________________________________________
Rich,
You might have some problems with this... WinXP does not support the
Linux filesystem types, so you will not be able to copy files from one
CF to another.
However, for reference here is the problem with your cable modem:
Motorola (and most other) cable modems have built in diagnostic and
provisioning interfaces. When you boot them up, the bring up a DHCP
server on the ethernet interface. When the cable interface syncs up,
they bring down the DHCP server and put the two interfaces into a
bridge. If your PC asks for a DHCP lease on the ethernet interface
BEFORE the cable modem has synced, you will get a 192.168.1.x address.
I hate this, but sometimes it is useful. Either way, the point here is
that you need to make sure that the cable modem is synced (The "cable"
light is solid and not flashing) BEFORE you attempt to get a DHCP lease.
Anyways, with all of that being said, I suggest that you grab something
like Knoppix and use a USB CF reader/writer on another machine to copy
any files that you need to.
--
Kristian Kielhofner
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