static IP allocations in dynamic ranges -why not?

Dorsey, Chris dorsey2 at llnl.gov
Thu Jun 3 16:35:32 UTC 2010


Glenn, Doug, Simon,

Thank you for the excellent feedback.  Totally understand about the history/design decisions of dhcpd.  I wish I had a piece of code I wrote that is still running for (17) years. :^)   I was reading up on reserved leases last night, and it seems that this might help me navigate the requirements set before us.  I would assume that editing the dhcpd.leases file is a non-starter for all but the most static of environments due to dhcpd writing to the file and the desire to keep dhcpd running as long as possible.  I guess that leaves omapi/omshell.  I looked at that a number of months ago and was able to perform a few operations but it was pretty cryptic.  I should probably take a second look at that along with the Net::ISC::DHCPd::OMAPI perl stuff. In a failover environment, would I need to connect to each server in the pair and set a given lease  as 'reserved', or would the failover communication handle that for me?   Is there a compiled cookbook for common dhcpd configurations and/or omapi-related functions?

Thanks again!
Chris

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