Bugzilla – Bug 7066
Allow VMs to use site DHCP server
Last modified: 2010-07-01 16:29:50
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In some installations, it is simpler (and less scary) to use a central DHCP
server instead of installing one on each node. This simplifies the install
This can be achieved by adjusting ebtables rules on the VMM to let DHCP go out
to LAN. We must also provide an easy way of letting admin configure the
appropriate MAC->IP mappings in their dhcpd.conf.
Fixed in master:
ws-control has a new option "localdhcp" (networks.conf). When false (the
default), DHCP traffic will travel out to the default bridge. When true, you
must have a local DHCP server on the VMM as before.
The nimbus service now writes out several files to
$NIMBUS_HOME/services/var/nimbus/. Highlights include:
dhcpd.entries - a list of DHCP entries which can be included into your main
ip_mac.txt - direct IP -> MAC mappings which can be machine parsed and used
to generate/update more complicated DHCPD systems (or non-ISC compliant