In the recovery from replica process, what is the purpose of "re-IP rules"?

In Veeam Backup & Replication, Re-IP rules are utilized during the failover process to automatically reconfigure the IP addresses of replica VMs. When a disaster recovery (DR) site operates on a different subnet than the primary production site, Re-IP rules ensure that the recovered VM is assigned a valid, new IP address that matches the target network scheme. This automated reconfiguration allows the virtual machine to communicate on the new network immediately after failover without requiring manual OS-level intervention from the administrator.

A. Network address translation (NAT) is handled by network mapping or routing appliances, not directly by Re-IP rules which modify the guest OS IP configuration.

C. Re-IP rules change the IP address to fit the new subnet, rather than synchronizing or keeping the same IP address as the source VM.

D. Re-IP rules strictly configure network settings and have no impact on the hardware initialization or boot-up performance of the virtual machine.

1. Veeam Backup & Replication 12 User Guide. Section: "Data Recovery" -> "Replica Failover and Failback" -> "Re-IP Rules".

2. Veeam Certified Engineer (VMCE) v12/v13 Official Courseware. Module: "Restoring from Replica".