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<body lang="EN-US" link="#0563C1" vlink="#954F72" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have installed the central cloud (All in one Duplex) in a virtualized environment. But not sure what NAT rules are required, to access it from outside the Host machine.<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo3">Below is my deployment.<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img width="469" height="331" style="width:4.8854in;height:3.4479in" id="_x0000_i1029" src="cid:image001.jpg@01D7260B.D7114D10" alt="Diagram
Description automatically generated"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo2">Starlingx is installed.<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<table class="MsoTableGrid" border="1" cellspacing="0" cellpadding="0" style="margin-left:37.1pt;border-collapse:collapse;border:none">
<tbody>
<tr>
<td width="623" valign="top" style="width:467.5pt;border:solid windowtext 1.0pt;background:#D9D9D9;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal">system host-list<o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">+----+--------------+-------------+----------------+-------------+--------------+</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">| id | hostname | personality | administrative | operational | availability |</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">+----+--------------+-------------+----------------+-------------+--------------+</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">| 1 | controller-0 | controller | unlocked | enabled | available |</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">| 2 | controller-1 | controller | unlocked | enabled | available |</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:black">+----+--------------+-------------+----------------+-------------+--------------+</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</td>
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</table>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo1">Packets are reaching to the Host machine<o:p></o:p></li></ul>
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<p class="MsoNormal" style="margin-left:.25in">listening on ens1, link-type EN10MB (Ethernet), capture size 262144 bytes<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="color:black">11:35:56.144807 IP 14.141.56.230.61002 > 172.31.21.86.8080: Flags [S], seq 1632511605, win 65280, options [mss 1360,nop,wscale 8,nop,nop,sackOK], length 0</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="color:black">11:35:56.145030 IP 14.141.56.230.48775 > 172.31.21.86.8080: Flags [S], seq 455906092, win 65280, options [mss 1360,nop,wscale 8,nop,nop,sackOK], length 0</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="color:black">11:35:56.396487 IP 14.141.56.230.57030 > 172.31.21.86.8080: Flags [S], seq 4106471277, win 65280, options [mss 1360,nop,wscale 8,nop,nop,sackOK], length 0</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.25in"><span style="color:black">11:36:00.145533 IP 14.141.56.230.61002 > 172.31.21.86.8080: Flags [S], seq 1632511605, win 65280, options [mss 1360,nop,wscale 8,nop,nop,sackOK], length 0</span><o:p></o:p></p>
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<p class="MsoListParagraph"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo1">I have tried below rules.<o:p></o:p></li></ul>
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<p class="MsoListParagraph" style="margin-left:0in">iptables -t nat -I PREROUTING -i ens1 -p tcp --dport 8080 -j DNAT --to-destination 10.10.10.2:8080<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:0in"><span style="color:black">iptables -A FORWARD -j ACCEPT</span><o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:0in"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:black">iptables -t nat -I POSTROUTING -s 10.10.11.0/24 -o enp125s0 -j MASQUERADE
</span><o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:0in"><span style="color:black">iptables -t nat -I POSTROUTING -s 10.10.10.0/24 -o ens1 -j MASQUERADE</span><o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:0in"><o:p> </o:p></p>
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<p class="MsoListParagraph"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo1">Ipv4 forwarding is enabled on the host and from Host I can reach the controllers.<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">But still could not see packet reaching to the controller. Any suggestion would be very helpful.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Ankush<o:p></o:p></p>
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