L.S.
I've got 2 2012 DHCP servers configured as load-balance-failover. These two servers serve about 30 different VLAN's (though IP-Helper addresses in our routers).
On one of these servers, one scope deactivates itself spontanious. How do I troubleshoot this. That should I look for in eventlog / dhcp logfiles.
(The main problem is that failover only works if one or more of the following conditions is met (as far as I know):
- One servers know's the other is down
- The DHCP-Client uses the secs-field in the DHCP-discover request with real data, and not just 0, although this is allowed per RFC.
Of cause, I have Accesspoints that just put 0 in the secs field, ......
Thomas Roes