Description of DHCP agent configuration options

Configuration option = Default value	Description
[DEFAULT]
advertise_mtu = False	(BoolOpt) If True, effort is made to advertise MTU settings to VMs via network methods (DHCP and RA MTU options) when the network's preferred MTU is known.
dnsmasq_config_file =	(StrOpt) Override the default dnsmasq settings with this file
dnsmasq_dns_servers = None	(ListOpt) Comma-separated list of the DNS servers which will be used as forwarders.
dnsmasq_lease_max = 16777216	(IntOpt) Limit number of leases to prevent a denial-of-service.
enable_isolated_metadata = False	(BoolOpt) Support Metadata requests on isolated networks.
enable_metadata_network = False	(BoolOpt) Allows for serving metadata requests from a dedicated network. Requires enable_isolated_metadata = True
num_sync_threads = 4	(IntOpt) Number of threads to use during sync process.
resync_interval = 5	(IntOpt) Interval to resync.
use_namespaces = True	(BoolOpt) Allow overlapping IP. This option is deprecated and will be removed in a future release.