<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><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 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 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><div>Thank you,</div><div>Ahmed.</div><div><br></div></span></div></body></html>