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Configure TFTP Option 66 and Option 150 with dhcpd

Greenwire Technology Solutions > Communications  > Configure TFTP Option 66 and Option 150 with dhcpd

Configure TFTP Option 66 and Option 150 with dhcpd

Here is a copy of the top portion of my /etc/dhcpd.conf file. Using this configuration you should be able to setup any TFTP bootable device to look to your TFTP server for configuration files. For example Cisco 79xx series phones, or SPA5xx series phones.

option tftp150 code 150 = string;
option tftp66 code 66 = string;
option tftp150 code 150 = string;
option tftp66 code 66 = string;
DHCPARGS=eth1;
subnet 192.168.1.0 netmask 255.255.255.0
{
option routers                  192.168.1.1;
option subnet-mask              255.255.255.0;
option domain-name-servers      192.168.1.1,;
option tftp150                  “192.168.1.1”;
option tftp66                   “192.168.1.1”;
range 192.168.1.10 192.168.1.150;
}
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2 Comments
  • Joseph Ip
    Reply
    Posted at 3:36 pm, November 11, 2011

    I would like to know the following scenario:
    I want to put Option 66 is the first choice and Option 150 is the second choice. What happens if Option 66 is not working due to no DNS server is available, will the phone use the option 150 after failed to reach the tftp server?
    I am using Option 66 with hostname instead of IP Address.

    Please advise.

  • Kevin
    Reply
    Posted at 9:52 am, April 4, 2013

    Really? You want me to share your page to view the whole post? How am I supposed to know if it’s worth sharing until reading it? That’s the most idiotic setup I’ve ever seen.

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