host config file based on vendor specific options and service level
Simon Hobson
dhcp at thehobsons.co.uk
Thu Apr 6 23:46:00 UTC 2006
roger murray wrote:
>Constraints:
>All hosts will be assigned a fixed ip address due to monitoring tools and
>current routines. (190,000+ hosts, 350+ shared networks, 1800+ subnets)
>
>Current solution is that we specify the hosts and service levels in a
>database and build the dhcpd.conf file with a script restarting the dhcpd
>every 5 minutes. Start up takes 12-15 seconds.
How often does a change actually happen, ie, if you only restarted if
there's actually been a change, would it improve matters (much) ?
Since you are using fixed addresses, it's a trivial matter to run two
(or more) redundant servers. If you stagger the restarts then you
need never be without dhcp service.
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