Russell,

You could instead use the variable dhcpinterfaces in the site table to indicate the interface you want the dhcp to run on.

i.e.

chtab key=dhcpinterfaces site.value='xcatmn|eth1'

where, xcatmn is either the MN node name, or the group of nodes that the management node is in, amd after the | the interface you want to run dhcp on

Check below link for more info

http://sourceforge.net/apps/mediawiki/xcat/index.php?title=XCAT_BladeCenter_Linux_Cluster#Set_Up_DHCP

regards,

Arif Ali MBCS
HPC Systems Architect
OCF plc

Tel: +44 (0)114 257 2200
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On 19/01/13 16:06, Russell Jones wrote:
Thanks Geert,

It doesn't unfortunately - I have to ifdown the interface on the mgmt node to get it to stop putting interfaces in dhcpd.conf that I don't want.

All disabling the network does is make it complain about addresses I have in otherinterfaces that exist on these nets for nodes.


On 1/19/2013 3:08 AM, geert geurts wrote:

Hi Russell,
Disabling the network by specifying "1" as last option in the networks table, makes makedhcp ignore this network.
That might do the trick...

Regards,
Geert

On Jan 18, 2013 11:47 PM, "Russell Jones" <[email protected] <mailto:[email protected]>> wrote:

    xCAT 2.6

    Hi all,

    I need to be able to make xcat not listen for dhcp requests on
    networks
    it is not authoritative for. I tried just leaving the non-xcat
    networks
    out of the networks table, however when that is done makedns
    complains
    about hostnames that exist in the hosts table, but do not have
    corresponding networks for them defined in the networks table.

    What is the correct way of getting makedhcp to not add interfaces
    to the
    dhcpd.conf where I do not want dhcp requests to be listened for? This
    could potentially interfere with other dhcp servers on these networks
    (we have seen it before).

    Thanks!

    
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