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How to push multiple option 150 (TFTP IPs) to Cisco 7942 phones via DHCP on the Controller v6.2.1.4

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  • 1.  How to push multiple option 150 (TFTP IPs) to Cisco 7942 phones via DHCP on the Controller v6.2.1.4

    Posted Apr 25, 2014 12:05 PM

    I'd like to push multiple TFTP servers for redundancy to my Cisco 7942 phones attached to RAP2's. When I try to add another option 150 in the DHCP config, I get an error. Should I add them delimited somehow on the same line?

     

    Option150.JPG

     

     



  • 2.  RE: How to push multiple option 150 (TFTP IPs) to Cisco 7942 phones via DHCP on the Controller v6.2.1.4
    Best Answer

    EMPLOYEE
    Posted Apr 29, 2014 12:31 PM

    instead of "ip" in the option 150 section, try changing it to "text" and adding the IP addresses separated by a comma or semi-colon



  • 3.  RE: How to push multiple option 150 (TFTP IPs) to Cisco 7942 phones via DHCP on the Controller v6.2.1.4

    Posted Feb 08, 2016 06:30 PM

    did this work?  did you use a semicolon or a comma? i have a collegue that is experencing the same issue. 



  • 4.  RE: How to push multiple option 150 (TFTP IPs) to Cisco 7942 phones via DHCP on the Controller v6.2.1.4

    Posted Nov 08, 2018 03:48 PM
      |   view attached

    I'd hate to bump an old thread but I'm using the Text option with two IP addresses separated by a comma. The two addresses are not being sent back in the ACK properly and somehow they end up 'garbled'.

     

    Attached is a screen shot of a PCAP with the ACK.

     

    Is returning multiple IP's in the OPTION 150 w/ TEXT not supported? It works with a single IP, just not multiple.