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Usually you need a NAT rule from your host to the OAM IP.</div>
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For example a nat rule like this:</div>
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host:1022 -> OAM-IP:22</div>
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>From outside: ssh -p 1022 sysadmin@host</div>
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Andy<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Rai, Ankush <Ankush.Rai@commscope.com><br>
<b>Sent:</b> Tuesday, March 30, 2021 11:27 PM<br>
<b>To:</b> starlingx-discuss@lists.starlingx.io <starlingx-discuss@lists.starlingx.io><br>
<b>Cc:</b> Dharwadkar, Sriram <Sriram.Dharwadkar@commscope.com>; Sambandan, Devaraj <Devaraj.Sambandan@commscope.com><br>
<b>Subject:</b> [Starlingx-discuss] How to access Virtualized central cloud from outside the Host</font>
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<p class="x_MsoNormal">Hi,</p>
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<p class="x_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.</p>
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<li class="x_MsoListParagraph" style="margin-left:0in">Below is my deployment.</li></ul>
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<li class="x_MsoListParagraph" style="margin-left:0in">Starlingx is installed.</li></ul>
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<p class="x_MsoNormal">system host-list</p>
<p class="x_MsoNormal"><span style="color:black">+----+--------------+-------------+----------------+-------------+--------------+</span></p>
<p class="x_MsoNormal"><span style="color:black">| id | hostname     | personality | administrative | operational | availability |</span></p>
<p class="x_MsoNormal"><span style="color:black">+----+--------------+-------------+----------------+-------------+--------------+</span></p>
<p class="x_MsoNormal"><span style="color:black">| 1  | controller-0 | controller  | unlocked       | enabled     | available    |</span></p>
<p class="x_MsoNormal"><span style="color:black">| 2  | controller-1 | controller  | unlocked       | enabled     | available    |</span></p>
<p class="x_MsoNormal"><span style="color:black">+----+--------------+-------------+----------------+-------------+--------------+</span></p>
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<li class="x_MsoListParagraph" style="margin-left:0in">Packets are reaching to the Host machine</li></ul>
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<p class="x_MsoNormal" style="margin-left:.25in">listening on ens1, link-type EN10MB (Ethernet), capture size 262144 bytes</p>
<p class="x_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></p>
<p class="x_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></p>
<p class="x_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></p>
<p class="x_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></p>
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<li class="x_MsoListParagraph" style="margin-left:0in">I have tried below rules.</li></ul>
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<p class="x_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</p>
<p class="x_MsoListParagraph" style="margin-left:0in"><span style="color:black">iptables -A FORWARD -j ACCEPT</span></p>
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<p class="x_MsoNormal"><span style="color:black">iptables -t nat -I POSTROUTING -s 10.10.11.0/24 -o enp125s0 -j MASQUERADE
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<p class="x_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></p>
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<li class="x_MsoListParagraph" style="margin-left:0in">Ipv4 forwarding is enabled on the host and from Host I can reach the controllers.</li></ul>
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<p class="x_MsoNormal">But still could not see packet reaching to the controller. Any suggestion would be very helpful.</p>
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<p class="x_MsoNormal">Thanks,</p>
<p class="x_MsoNormal">Ankush</p>
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