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Renewing a DHCP lease
Authored by: robg on Feb 21, '06 07:43:20AM

Received via email:

"The ipconfig set en BOOTP causes OS X to release the address; then ipconfig set en DHCP causes OS X to attempt to get a new address. On some networks, the behavior will basically be the same, but depending on the topology and what's going on, you could get very different results doing a RELEASE/NEW LEASE versus a true RENEW.

On the GUI version, OS X has a bug in its behavior where its RENEW is actually a REBIND. Again, this is probably going to get you the same results on many networks, but it's not a real RENEW. The difference between a RENEW and a REBIND is that a RENEW is a directed unicast to the original server that gave you the address asking for an extension on the list; a REBIND is a broadcast that you do after you don't get an answer on your RENEW (T1 has expired, and T2 has expired). "

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