You don't want to have two DHCP servers in the same L2 broadcast domain (VLAN) because it will create a race confition on which server is able to answer the request first.
There is no need ot have two DHCP servers. Since you already have a DHCP server running on a Windows server, just use that. An IOS DHCP server doesn't provide anything that the Windows DHCP server can't do. You just need to add an option 150 statement to the existing DHCP server configuration, to specify the TFTP server for CME/CUCM to whatever DHCP server you choose to use for offering addresses to the IP phones.
Your best bet is to leave all devices (PCs and phones) on the same flat network, and just add option 150 to whatever server you are already using for your existing data network.
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...