you could have both your data devices and your voice devices point to the same dhcp server. let's say you have two vlans, 1 & 2. what you would do is configure two DHCP scopes on your DHCP server, 192.168.1.0 and 192.168.2.0. with VLAN/SUBNET 1 being for data and VLAN/SUBNET 2 being for voice. All you have to do now is configure an dhcp relay address on whatever interface your using to route your vlans. this could be "interface vlan 1" (this would be a SVI) or a subinterface on a router. use the command "ip dhcp-helpder address" and enter in the address of your dhcp server. I would assume that your dhcp server is located on your data network so you would only have to enter this command onto the routable vlan interface for your voice subnet.
Configuring the CM scope is pretty straight forward. Set at least the correct default gateway and tftp server option 150 (pointing to the CM running the tftp server). You might setup dns settings but this is not mandatory for a basic setup.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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