1 Reply Latest reply: Apr 15, 2012 10:05 AM by Conwyn RSS

    DHCP address assignment using hardware address

    Kingsley - CCSP/CCIP/ CCNP/CCIE Security

      Hi all


      If I want to configure manual binding that doesn't working with hardware address. Instead, if I specify the client identifies, it works.


      ip dhcp pool cat


         hardware-address 0001.0002.0003



      The snippet below, claims that hardware address can be used with bootp requests only. Logically, I feel that should be the case because bootp request doesn't have options field. In the case of DHCP request, the option 61 is used to carry client identifier. Hence, it seems, the IOS expect client identifies to be configured, if it a dhcp request.


      Comments please.



      Snippet from http://www.cisco.com/en/US/docs/ios/12_2/ip/configuration/guide/1cfdhcp.html#wp1001108


      Router(dhcp-config)# client-identifier unique-identifier

      Specifies the unique identifier for DHCP clients. This command is used for DHCP requests.


      Router(dhcp-config)# hardware-address hardware-address type


      (Optional) Specifies a hardware address for the client. This command is used for BOOTP requests.


      With regards