OK. Ethtool eth3 showed that the link was indeed down.
A wire test showed a wiring problem in the Ethernet cable. I had already
accessed the cluster from it using the router so a wire must have broken
when I moved it to the server. Now fixed and running.
Anyhow thanks for all help.
Den 21. juli 2015 02:49, skrev John Hearns:
John
Please give is the results of ‘ip addr’
Also look closely at the system log messages when dhcp starts.
Stop the dhcp service, then restart it when running a tail –f on the
system log.
If that does not help, stop the dhcp service and run dhcpd with the
‘-d’ flag in a separate window,
and give it the argument eth3 on the command line ?
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