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From GitBox <...@apache.org>
Subject [GitHub] rafaelweingartner commented on issue #2514: Problem with NAT configuration and VMs not accessing each other via public IPs
Date Wed, 28 Mar 2018 10:26:28 GMT
rafaelweingartner commented on issue #2514: Problem with NAT configuration and VMs not accessing
each other via public IPs
URL: https://github.com/apache/cloudstack/pull/2514#issuecomment-376837801
 
 
   To tell you the truth, I do not understand how you solve this in the routing table. I saw
your PR, and it is merged in 4.9.3.0, 4.11, and master, and still the problem persists.
   
   I am solving in the `iptables`, making it consistent with other configurations that we
already have, but for different scenarios. This solution (the one I am introducing here) was
already used when we "attach"/"direct connect" a public IP to a VM. Check `configure.py` at
lines 816-836.
   
   The packet is coming from ETH2 (internal interface) to one of our public IPs, we need to
execute NAT as well from packets from ETH2 if we want VMs accessing each other via their public
IPs.

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