Re: How to get DHCP IP address renew upon Ethernet link down/up (NDIS_STATUS_MEDIA_CONNECT)?

The cable is just a cable. It's not associated with your device at all as a
result of being plugged in. If the cable is attached to an Ethernet switch
and the switch is smart about forwarding only packets intended for the
device plugged into port 1 to that port, then you may not get your packets
after plugging into a different port, but the switch should learn fairly
quickly and clean things up. Requesting a different IP address is the wrong
thing to do there and would make the operation of the device inconsistent
with every other device on the network (and, in any case, the DHCP server is
almost 100% certain to assign the same address as you had before, anyway;
that wouldn't happen if you were dialing into Earthlink or something, but a
local DHCP server is going to try hard to keep from changing your IP
randomly).

Paul T.

<peach.voser@xxxxxx> wrote in message
news:1193208456.370567.52560@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
And what does happen if I unplug my Ethernet device from one network,
go to another one, and plug it in? In this particular case, I want my
device to request a new IP address. I think the link down and up
events are the only indicators in this case...

Peter



.

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