ISC DHCP server always ACKs DHCPREQUESTs without checking the server identier

[Glenn Satchell]

>X-Original-To: dhcp-users at webster.isc.org
>X-Greylist: delayed 3599 seconds by postgrey-1.27 at post.isc.org; Fri, 23 Feb 
2007 12:51:48 UTC
>Date: Fri, 23 Feb 2007 13:50:02 +0200
>From: Jordan Gordeev <jgordeev at dir.bg>
>To: dhcp-users at isc.org
>Subject: ISC DHCP server always ACKs DHCPREQUESTs without checking the server 
identier
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>I am using the ISC DHCP server version 3.0.5. Most of the DHCP clients 
>on my network have host declarations with fixed adresses. I have noticed 
>that the server  sends DHCPACK messages to clients requesting (via 
>DHCPREQUEST) leases from other DHCP server. I have looked at the source 
>code and have noticed that the server identier in DHCPREQUEST messages 
>is not used. I'm wondering why the server behaves like that.
>
If you run failover, then both servers know about each other's leases.

regards,
-glenn