Switch off DHCP on Cisco 800

Posted on 2006-04-09
Last Modified: 2008-01-09
How to turn off the DHCP server on a Cisco 800? Complete Cisco novice; full instructions appreciated. I can establish Telnet session.
Question by:richardbarlow
    LVL 48

    Expert Comment

    Hi richardbarlow,

    use the web interface its much nicer


    from there you can navigate to DHCP...


    Author Comment

    No help at all I'm afraid, as the web interface shows me this :
    Cisco Systems
    Accessing Cisco C827 "Router"

    Telnet - to the router.

    Show interfaces - display the status of the interfaces.
    Show diagnostic log - display the diagnostic log.
    Monitor the router - HTML access to the command line interface at level 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
    Connectivity test - ping the nameserver.

    Show tech-support - display information commonly needed by tech support.

    Help resources

       1. CCO at - Cisco Connection Online, including the Technical Assistance Center (TAC).
       2. - e-mail the TAC.
       3. 1-800-553-2447 or +1-408-526-7209 - phone the TAC.
       4. - e-mail the HTML interface development group.

    Where do I go from here? As previously mentioned, complete Cisco novice.
    LVL 15

    Accepted Solution

    You can't just turn off the server, though you can disable the DHCP service which will stop server, client and DHCP relay processes.

    If you want to stop the router from allocating internal IP addresses you need to remove the DHCP configuration entries.
    Telnet to the router and login. Enter "enable" and password if prompted.
    Enter "show run". Hit enter to display next line or space to display next page. I suggest you copy and paste the whole configuration into a text file as a backup.

    Enter "show run | include ip dhcp".
    Enter "configure terminal". For each of the lines that were displayed, you enter each (cut and paste) but prefixed with "no".
    For example
    no ip dhcp excluded-address
    no ip dhcp pool mypool

    Enter "end". To save the configuration, enter "copy run start".

    Author Comment

    very good
    thank you very much

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