Failover Clarification

Simon Hobson dhcp1 at
Wed May 9 13:59:24 UTC 2007

Benjamin Wiechman wrote:

>  > When you're down to the last free IP one server will not reply because
>>  it has no lease to offer. The other server should offer the available
>>  lease that it has.
>OK. That is reasonable. So if I'm running a dhcp relay through my switches I
>would need to be doing a directed broadcast to allow the servers to perform
>their own load balancing, rather than a relay by IP.

Or configure the switches with two relay addresses - so you get two 
unicast packets. Either will work, both have their pros and cons.

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