<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Just to let you know that the provider network can be used to spin up instances, not the best use cases but some production have adopted that solution. <div class=""><br class=""></div><div class="">Just my 2 cents, </div><div class=""><br class=""></div><div class="">Remo </div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 2, 2016, at 21:42, Jagga <<a href="mailto:jagga13@gmail.com" class="">jagga13@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Thanks. This definitely helps.<br class=""><br class="">Sent from my iPhone</div><div style="font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class="">On May 2, 2016, at 9:27 PM, Aqsa Malik <<a href="mailto:aqsamm@gmail.com" class="">aqsamm@gmail.com</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" style="font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><div class=""><div dir="ltr" class=""><font face="arial, helvetica, sans-serif" class="">This is by design in OpenStack. A VM can't access the external network unless assigned a floating IP.</font><div class=""><div class=""><font face="arial, helvetica, sans-serif" class="">Each private network exists behind the router and access to external networks all happens via SNAT or Floating IPs. Each router uplink and floating IP is allocated from the external network subnet.</font><div class=""><div class=""><font face="arial, helvetica, sans-serif" class=""><font class="">Just as an add on, </font><font class=""> Hosts without floating IPs can still create outbound connections to the external network, as the provider router performs SNAT to the router's external IP. The IP address of the physical router is used as the gateway_ip of the external network subnet, so the provider has a default router for Internet traffic.</font></font></div></div></div><div class=""><span style="" class=""><font face="arial, helvetica, sans-serif" class="">The internal network is for traffic between virtual machines in OpenStack, and between the virtual machines and the network nodes that provide l3 routes out to the public network (and floating IPs for connections back in to the VMs).</font></span><font face="arial, helvetica, sans-serif" class=""><font class=""><span style="font-size: 12px;" class=""><br class=""></span></font></font></div></div><div class=""><span style="" class=""><font face="arial, helvetica, sans-serif" class="">I hope this helps.</font></span></div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Tue, May 3, 2016 at 8:32 AM, Jagga Soorma<span class="Apple-converted-space"> </span><span dir="ltr" class=""><<a href="mailto:jagga13@gmail.com" target="_blank" class="">jagga13@gmail.com</a>></span><span class="Apple-converted-space"> </span>wrote:<br class=""><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;"><div dir="ltr" class=""><div class=""><font size="2" class=""><span style="font-family: arial, helvetica, sans-serif;" class="">Hi Guys,<br class=""><br class=""><span style="font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: 22px; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; float: none; background-color: rgb(255, 255, 255); display: inline !important;" class="">Need some clarification regarding routing for instances without a floating ip address. Basically we have instances connected to a priv network that is also connected to our external network and our security group allows all egress traffic. However, we can't seem to get to any resource on our external network till a floating ip address is assigned. Once we assign a floating ip address we can get out. Is that by design or is there something wrong with our configuration?</span></span></font><br class=""><br class=""></div>Thanks.<br class=""></div><br class="">_______________________________________________<br class="">Mailing list:<span class="Apple-converted-space"> </span><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack" rel="noreferrer" target="_blank" class="">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br class="">Post to :<span class="Apple-converted-space"> </span><a href="mailto:openstack@lists.openstack.org" class="">openstack@lists.openstack.org</a><br class="">Unsubscribe :<span class="Apple-converted-space"> </span><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack" rel="noreferrer" target="_blank" class="">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br class=""><br class=""></blockquote></div><br class=""><br clear="all" class=""><div class=""><br class=""></div>--<span class="Apple-converted-space"> </span><br class=""><div class="gmail_signature"><div dir="ltr" class=""><div class="">Aqsa Malik</div><div class="">Military College of Signals NUST</div><div class=""><br class=""></div>visit my blog at<br class=""><a href="http://www.techiworld4u.blogspot.com/" target="_blank" class="">http://www.techiworld4u.blogspot.com</a></div></div></div></div></blockquote><span style="font-family: Helvetica; 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