Failover peer separation revisted

sthaug at sthaug at
Sat Nov 15 19:55:05 UTC 2008

> I wrote to the list a few weeks ago about a random problem we're seeing.
> We're running ISC DHCPD 3.0.7 on FreeBSD 6.3-64bit via the FreeBSD  
> ports.
> Everything appears to be working normally, except at random times our  
> DHCP servers appear to just disconnect from each other and they NEVER  
> reconnect.

We have seen the "disconnect" problem in connection with heavy disk
traffic as mentioned in previous messages to this list (probably
starvation of the messages from the failover partner).

We have also seen the problem of the servers not reconnecting, and I
believe I have a reproducible bug here - just need to test it on
Linux also to be sure that it's not a FreeBSD specific bug.

Steinar Haug, Nethelp consulting, sthaug at

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