OSX and DHCP server?

[Terry Allen]

>I'm trying to connect an ethernet-enabled device to a OSX Macbook 
>w/RJ45 cable. and the device spec says it will configure itself if 
>there's a DHCP server on the LAN, shouldn't this work? The device (a 
>temp sensor) doesn't appear on nmap scans and I cant locate it on 
>the LAN even tho the device is powered up and connected to the 
>ethernet port of the Macbook, and the Network utility shows the en0 
>link status is Active and gives a IP address. Airport is off. Is 
>there a setting on the Macbook to make this work or do I have to 
>install OSX server?
>Russ
>
Hi again,
	Russ, someone else may chime in with something, but for DHCP 
to be provided by the Macbook, you will need to have Internet Sharing 
& Web Sharing turned on in System Preferences. This will assign the 
device an IP from the Macbook, but I haven't ever tried to ping a 
device like this & suspect that you would not be able to as it will 
be on a different network segment. From what I remember last time I 
plugged something in using this method, the device pulled an IP from 
the Mac with an address of 192.168.1.2 (or was it 192.168.2.2)
	For you to be able to access the device it will need to be on 
the same network segment, or you will need to assign the device a 
static IP & ensure your Mac is on the same range - perhaps if you 
have a router with DHCP server, you can plug the device into a switch 
on the same LAN & thus be able to contact it.
-- 

	Bye for now, Terry Allen 
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