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<div class="moz-cite-prefix">On 11/22/2012 08:23 AM, Ahmed Al-Mehdi
wrote:<br>
</div>
<blockquote cite="mid:CCD2B093.5053%25ahmed@coraid.com" type="cite">
<div>Hello,</div>
<div><br>
</div>
<div><span class="Apple-style-span">I have a question about
setting up Quantum, following the steps described by Bilel
Msekni ( </span><a moz-do-not-send="true"
href="https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst">https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst</a> <span
class="Apple-style-span">), which uses 3 NICs. </span></div>
<div><span class="Apple-style-span">(Similar document/setup is
also described by OpenStack.org also - </span><span
class="Apple-style-span" style="font-family: Consolas;
font-size: medium; "><a moz-do-not-send="true"
href="https://review.openstack.org/#/c/16096/">https://review.openstack.org/#/c/16096/</a></span><span
class="Apple-style-span"> )</span></div>
<div><br>
</div>
<div>Based on the node diagram in Bilel's document, I understand
why eth0 needs an IP address that is accessible to internet.
However,</div>
<div> - Why does eth1 need an IP address, since it will be used
for VM network? </div>
<div> - Why does eth2 not need an IP address (set to 0.0.0.0)
since it is connected to the internet.</div>
<div><span class="Apple-style-span">
<div><br>
</div>
<div>In my setup, I set an IP address to eth0 through my corp.
DHCP server. Can I similarly assign an IP address to the
other eth port (be it 1 or 2) that needs connection to the
internet?</div>
<div><br>
</div>
</span></div>
</blockquote>
eth1 should not have IP since it will be added into br-eth1. If you
want eth1 have IP, you can move the ip to br-eth1:<br>
sudo ip addr <ip> dev br-eth1<br>
sudo ifconfig br-eth1 up<br>
eth2 is connected to br-ex bridge. If u don't need the host to
access the internet via eth2, there is no need to assign an IP to
eth2 or br-ex<br>
the VM's will be able to access the internet via br-ex, which is via
eth2 in turn to access internet.<br>
<br>
You can assign an IP to br-ex so that your host can use it.<br>
<blockquote cite="mid:CCD2B093.5053%25ahmed@coraid.com" type="cite">
<div><span class="Apple-style-span">
<div>Thank you,</div>
<div>Ahmed.</div>
<div><br>
</div>
</span></div>
<br>
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