On May 17, 2008, at 7:37 PM, Moe Sizlak wrote:

> I have three ethernet ports in use. one for adsl modem, one for XP  
> and one for linux box.
> Both XP and linux box routes via the soekris. Linux box is headless.  
> Cable from modem is straight cat-5. eth1 is cross-over cat5 to XP  
> box, eth2 is cross-over cat5 to linux box.
> all connections 100 meg full duplex.Serial connection from linux box  
> to soekris with rs232 null modem cable.
>
> After I cold boot XP I cant connect to the soekris directly, or via  
> linux serial connection indirectly routed via the soekris.
> Monitor/keyb is only on XP - so I need to hard reset the soekris box.

In order to troubleshoot things from the Soekris side, you'll need to  
access its serial console, either from the XP box directly or by  
getting a monitor/keyboard on the linux box temporarily. If it  
responds that way, then there's nothing wrong with the Soekris  
hardware-wise, and it's all software/configuration related. (I'm not  
familiar with monowall's config, so can't help with specifics there.)

My best guess would be software problems though. Assuming the XP box  
is configured via DHCP, it's probably failing to get an IP on startup  
and therefore can't communicate with much of anything over IP. Run  
"ipconfig /all" in a cmd prompt on it to see what IP configuration it  
does have.

Also watch the link light on the Soekris when you power up the XP box.  
If it doesn't light almost immediately, that may be a sign of a  
problem with the ethernet cable or interface configuration. You  
mentioned that they're all 100MB full duplex on the Soekris; is that  
what they arrive at via autonegotiation, or are they manually set to  
those media settings? (Manual setting is usually a bad idea, and may  
be a problem if the XP box is still expecting to autonegotiate.)

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