<html><head></head><body><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">Hi,<span></span></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br>I am open to suggestions.</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><span><span style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;">We have a need to switch traffic from our project to other projects without first getting out</span></span><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><span><span style="color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, sans-serif;">on the internet, floating IPs, etc.</span></span></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">The other projects will be sharing their networks with our project.</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">As shown in figure below, the orange network belongs to our project (10.0.0.0/26)</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">The green network (172.31.0.0/24) belongs to another project </div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">and</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">has an overlapping network with the red tenant (172.31.0.0/16)</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">For now, the solution is to create VMs in our project and make sure none of the interfaces</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">having overlapping CIDRs. Thus, there is a VM attached to the 'orange' and 'red' nets</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">and another VM attached to the 'orange' and 'green' nets.</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">Problem: Too much resources (VMs) will need to be created if we have 100 tenants with overlapping networks.</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">Solution:</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">Is there a way I can minimize VM resource in our project by not allocating a separate VM</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">for shared networks with overlapping CIDRs?</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;">thanks,</div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><br></div><div class="ydpc2799e83yahoo-style-wrap" style="font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 13px;"><img title="Inline image" alt="Inline image" src="cid:0ffd4e7f-12a5-7a61-6325-66ceb8db93e9@yahoo.com" class="yahoo-inline-image" draggable="false" style="max-width: 474px; width: 100%;" data-id="<0ffd4e7f-12a5-7a61-6325-66ceb8db93e9@yahoo.com>"><br><span></span><br></div></body></html>