Hi Trevor.
Are you trying to set the TCP stack on the local machine to use DHCP
or are you trying to make an actual DHCP server IN Revolution?
To set the TCP stack on Macs in a terminal session you would use:
networksetup -setdhcp <networkservice>
networksetup -setdnsservers <networkservice> <dns1 dns2|"empty"> #
(the empty is for automatic DNS from the DHCP server)
Replace <networkservice> with the name of the device such as "Built-in
Ethnernet" or "AirPort". Note that these services are cASE sENSITIVE.
If there are spaces enclose in quotes. I usually just use quotes all
the time. Can't screw it up that way.
I think you may have trouble though if the current user is not an
Admin, in which case you will have to use sudo networksetup -setdhcp
<networkservice> and it will probably want the password the first time
you use sudo in that session.
for PC's in a command window use:
netsh interface ip set address name=<networkservice> source=dhcp
Again, you have to be logged in as an administrator. I am not sure
what the DNS command is, but you can use
netsh interface ip /?
to get more info.
Sorry if I am missing what you are trying to do.
Bob Sneidar
IT Manager
Logos Management
Calvary Chapel CM
On Jun 30, 2008, at 3:30 AM, Trevor DeVore wrote:
On Jun 29, 2008, at 2:59 PM, Robert Sneidar wrote:
Hi Trevor. See http://www.comptechdoc.org/independent/networking/guide/netdhcp.html
for a basic treatment of the issue.
You use the global broadcast address for DHCP which is
255.255.255.255 as the source and 0.0.0.0 as the destination. (I
have seen some DHCP servers use the subnet broadcast address which
would be 255.255.0.0 for a class B subnet, but it proved to be
problematic.)
DHCP is a broadcast protocol, given the fact that you don't
actually have an address on the subnet yet. You would issue a
DHCPREQUEST on destination port number 67 using 68 as the source
port. Clients always use 67 and servers always use 68.
...
Thanks for the info Bob. Very helpful.
Now I just need to figure out how to make these requests from Rev...
Anyone know how to do this?
--
Trevor DeVore
Blue Mango Learning Systems
ScreenSteps: http://www.screensteps.com
Developer Resources: http://revolution.bluemangolearning.com
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