I haven't setup on in failover in a couple of years, but if you follow the man pages, etc, it should work fairly well. Check out the mail archives on ics.org to see similar issues other dhcpd folks have had.

As for the cisco config, each ip helper entry can only have one IP, but you can have multiple ip helper lines in the config and they won't replace each other. To get rid of one, you have to do a 'no' of the entire line.

-Steve


[EMAIL PROTECTED] wrote:
Hopefully this won't get lost in all the noise on the list.

Has anyone successfully set up two ISC dhcp servers in failover
configuration?  I'm trying to follow the guide at
http://www.madboa.com/geek/dhcp-failover/ but I'm not having any
success.  Bringing up the primary dhcp server doesn't properly see that
the secondary isn't running yet, and so dhcp requests just get unanswered.

My second problem is more of a Cisco one.  How can I specify two dhcp
server in the vlan configuration?  ip helper address only lets you set a
single IP address, which seems kind of odd to me.

Michael




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