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Hi all, I'm trying to put together a standalone cluster for computing large amounts of data. The cluster consist of a manager machine and a number of execute machines. The ...
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  1. #1
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    Mar 2009
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    DHCP for standalone cluster


    Hi all,

    I'm trying to put together a standalone cluster for computing large amounts of data. The cluster consist of a manager machine and a number of execute machines. The manager is connected to the university network to make the cluster accessible.

    I want to run a DHCP server on the manager machine to automatically allocate IP addresses to the execute machines to allow tasks to be passed to them. The university network is accessed through eth0, and eth1 is connected to a router through which the execute machines will be accessed.

    My problem is that when I configure the DHCP server to listen on eth1 I get the following error message:

    "No subnet declaration for eth1 (0.0.0.0).
    ** Ignoring requests on eth1. If this is not what
    you want, please write a subnet declaration
    in your dhcpd.conf file for the network segment
    to which interface eth1 is attached. **
    Not configured to listen on any interfaces!"

    I get this even when I set the subnet to 0.0.0.0 in the dhcpd.conf file.

    What subnet, mask and range settings should I use to allow the manager machine to access the execute machines? The execute machines should not be visible on the university network and vice versa.

    I'm new to Linux and DHCP so any assistance would be greatly appreciated.

    Thanks,
    Ewan
    Last edited by ecunningham; 03-18-2009 at 11:13 AM. Reason: clarifying the problem

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