Reconfigure DNS and Domain Search on the vRealize Suite Lifecycle Manager Appliance for Site Protection and Disaster Recovery for VMware Cloud Foundation

To provide name translation and resolution between the protected and recovery VMware Cloud Foundation instances for vRealize Suite Lifecycle Manager, configure the domain search parameters on the vRealize Suite Lifecycle Manager appliance.

For the following procedure, use the VMware Cloud Foundation Planning and Preparation Workbook.

UI Procedure

Log in to vRealize Suite Lifecycle Manager by using a Secure Shell (SSH) client at <vrealize_suite_lifecycle_manager_fqdn> as root.
Reconfigure DNS on the vRealize Suite Lifecycle Manager Appliance
1. Edit the /etc/systemd/network/10-eth0.network file.
```
vi /etc/systemd/network/10-eth0.network
```
2. In the Network section, add a DNS entry according to your VMware Cloud Foundation Planning and Preparation Workbook, and save the file.
  
  Note:
  You add an entry for the additional VMware Cloud Foundation instance only.
Reconfigure domain search on the vRealize Suite Lifecycle Manager Appliance.
1. Edit the /etc/systemd/resolved.conf file.
```
vi /etc/systemd/resolved.conf
```
2. Modify the Domains entry according to your VMware Cloud Foundation Planning and Preparation Workbook, and save the file.
  
  Note:
  You add space separated domains.

Restart the network and DNS resolver services.

systemctl restart systemd-networkd
systemctl restart systemd-resolved

PowerShell Procedure

Start Windows PowerShell.

Replace the values in the sample code with values from your VMware Cloud Foundation Planning and Preparation Workbook and run the commands in the PowerShell console.

$sddcManagerFqdn = "sfo-vcf01.sfo.rainpole.io"
$sddcManagerUser = "administrator@vsphere.local"
$sddcManagerPass = "VMw@re1!"

$dnsServers = "172.16.11.4 172.17.11.4"
$dnsSearchDomains = "rainpole.io"

Perform the configuration by running the command in the PowerShell console.

Set-vRSLCMDnsConfig -server $sddcManagerFqdn -user $sddcManagerUser -pass $sddcManagerPass -dnsServers $dnsServers -dnsSearchDomains $dnsSearchDomains