octavia/etc/dhcp/dhclient.conf
chen-li a4f3931ca2 Disbale DNS update for port o-hm0 in devstack
Disable the DNS update for port o-hm0 during the installation of
devstack to aviod accidentally DNS change.

Note: NetworkManager will attempt to write DNS information from
DHCP into /etc/resolv.conf, overwriting the existing contents.
So, if you have NetworkManager enabled, the once for all solution
should be set the immutable bit on the file:
    chattr +i /etc/resolv.conf

Change-Id: Icbc23feb8cb3c9967aa66a3c6c2f61da61397d11
2016-07-18 04:45:32 -05:00

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request subnet-mask,broadcast-address,interface-mtu;
do-forward-updates false;