DHCP Redundancy
sthaug at nethelp.no
sthaug at nethelp.no
Tue Nov 30 09:52:19 UTC 2010
> So is it possible to maintain a central or distributed leases file for
> multiple (unknown quantity) of servers?
Not with today's ISC DHCP. The DHCP failover protocol, and the ISC
implementation, is specifically geared towards *two* servers in a
"failover pair".
> I ask because I am working on a design to change over all of my wireless
> clients to dhcp. With the wide spread nature of the network, ALL
> services are distributed so that any single point can fail and
> everything else stays active. This assumes that the point of failure
> will never recover. The system MUST be able to handle this
> automatically. I definitely do not have 2x the address space as others
> suggested. I kind of assumed that the dhcp servers maintained
> synchronised information regarding leases.
>
> I estimate the need for 17 dhcp servers (right now) distributed across
> the system handling multiple /18's (in total) of address space. Can this
> be handled?
Not with today's ISC DHCP.
Steinar Haug, Nethelp consulting, sthaug at nethelp.no
More information about the dhcp-users
mailing list