Thanks for the answer. If the timeout is 5 seconds then we should be ok, even with a DSL line in the middle of Africa :)

DHCP works well on a local router but is not a scalable manageable solution. We have 1100 sites and a single IP address scheme so we can manage it much better from a central device.

Thanks

I understand the manageability concerns, but expect a lot of issues with a central DHCP.

Once the initial configuration is correctly made in the local router, it becomes a rugged service with no external dependencies and viretually no maintenance required. It is not the same (actually the opposite) for relayed DHCP.

Who tried before you, finally found that service on the router is the most reliable and the less maintenance-requiring solution.

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This is not my decision to make, unfortunately, but i do have to justify it to a lot of regional techs and managers as a viable design decision.

You have sown the seeds of doubt now.... :)

I'm specialized in sowing doubt. To be honest with you, I've been found right more often than not.

Good luck!