<div dir="ltr"><div><div><div><div><div>Not sure if I understand what you are asking here, but the need for a gateway per network has emerged from the need to support other host networks (not VM networks) beside the management one.<br></div>As an example, migration and storage networks can be defined, each passing dedicated traffic (one for storage communication and another for VM migration traffic), they may need to pass through different gateways.<br></div>So the management network can be accessed using gateway A, storage using B and migration using C. A will usually be set on a host level as the host default gateway, and the others will be set for the individual networks.<br><br></div>Otherwise, how would you expect storage to use a different router (than the management one) in the network?<br><br></div>Thanks,<br></div>Edy.<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 3, 2018 at 1:08 AM, Justin Zygmont <span dir="ltr"><<a href="mailto:jzygmont@proofpoint.com" target="_blank">jzygmont@proofpoint.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">I don’t understand why you would want this unless the ovirtnode itself was actually the router, wouldn’t you want to only have an IP on the management network, and leave the rest of the VLANS blank so they depend on the router to route
the traffic:<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">NIC1 -> ovirt-mgmt - gateway set<u></u><u></u></p>
<p class="MsoNormal">NIC2 -> VLAN3, VLAN4, etc…<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><a href="https://www.ovirt.org/documentation/admin-guide/chap-Logical_Networks/" target="_blank">https://www.ovirt.org/<wbr>documentation/admin-guide/<wbr>chap-Logical_Networks/</a><u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><b><span style="font-size:13.5pt;font-family:"Times New Roman",serif">Viewing or Editing the Gateway for a Logical Network<u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Users can define the gateway, along with the IP address and subnet mask, for a logical network. This is necessary
when multiple networks exist on a host and traffic should be routed through the specified network, rather than the default gateway.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">If multiple networks exist on a host and the gateways are not defined, return traffic will be routed through the
default gateway, which may not reach the intended destination. This would result in users being unable to ping the host.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">oVirt handles multiple gateways automatically whenever an interface goes up or down.<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
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