=== Add DHCP Option ===

How to configure Mikrotik DHCP Server for Cisco Phone TFTP option

1. Change your TFTP server IP in to hex code. You can use this online [[http://www.miniwebtool.com/ip-address-to-hex-converter/|tool]].
**10.0.2.12** becomes **0x0A00020C**

2. Now configure Mikrotik RouterOS :

  /ip dhcp-server option add code=150 name=ciscotftp value=0x0A00020C
  
{{ :networking:mikrotik:dhcp_opt_01.png?nolink&300 |}}
  

3. Add this on DHCP server Network option on for the desired network.

{{ :networking:mikrotik:dhcp_opt_02.png?nolink&350 |}}