UCM 7 and DHCP

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pkavanag Wed, 02/04/2009 - 03:36
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Hi Rod.

It depends on many factors!

Do you use separate voice and data VLANs at your nine sites?

You would only want to use CUCM to provise DHCP leases for your phones, right? So if you are doing local DHCP at each site (either using a pool on an IOS device, or another DHCP server) then it might make sense to serve locally. Alternatively you could use ip-helper to send DHCP requests across WAN back to CUCM.

My personal choice is to do locally, as I am then not exposed to WAN outages, but the best solution for you will depend on how your network (LAN & WAN) is configured and what HW you have etc.



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