Protecting Hyper-V Environments › Hyper-V Server Configuration Requirements › Considerations for Hyper-V scenarios across WAN
Considerations for Hyper-V scenarios across WAN
This section describes how to create a Hyper-V scenario and ensure a smooth failover across different subnets in WAN environment. First set up an additional IP address and then specify the details while creating the Hyper-V scenario.
- Set up an additional NIC on the VM running on the master Hyper-V server. The IP address of this NIC will be used on Replica after the VM fails over.
Note: Make sure that appropriate route table entries are added or updated to make both IP addresses and subnets work.
- Create the Hyper-V scenario as usual. However, set the High Availability properties as described in the following steps:
- Expand Switchover and click Virtual Network mapping and choose the appropriate network mapping. Map the additional NIC/IP that you added. This IP address is used when the Replica server takes over.
- Enter the DNS server IP details.
Note: make sure DNS record can be updated by the RHA engine. See Log On Account Conditions.
- Expand Network Traffic Redirection and click Redirect DNS. Select On and enter the following details:
Virtual Machine IPs on Master server in DNS
IP Address
Specifies the IP address of the virtual machine on the master server
- Virtual Machine IPs on Replica server in DNS
-
- IP Address
-
Specifies the additional IP address that you specified in step 1.
Hyper-V Replication and High Availability
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