Github user ustcweizhou commented on the pull request: https://github.com/apache/cloudstack/pull/1086#issuecomment-158360198 @jayapalu 1. The /etc/dhcphosts.txt will not be changed inside VR during this process. root@r-7542-VM:~# cat /etc/dhcphosts.txt 02:00:0c:f3:00:08,10.1.43.139,VM-d70f5d2a-1c07-4192-a658-712b589ee5fe,infinite However, it will be updated when we start the vm, so the vm can get the correct new ip. root@r-7542-VM:~# cat /etc/dhcphosts.txt 02:00:0c:f3:00:08,10.1.43.200,VM-d70f5d2a-1c07-4192-a658-712b589ee5fe,infinite 2. The firewall rules is an issue indeed. I will try to fix it, there are two options: (1) after user to disable static nat at first, then change the ip and enable the static nat (2) implement (1) in cloudstack.
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