Add each additional instance as a location on the cross-instance Tier-1 gateway to enable cross-instance workloads.
- In a web browser, log in to Global Manager cluster at https://active_gm_vip_fqdn/.
- On the NSX Manager main navigation bar, click Networking.
- In the navigation pane, select Tier-1 Gateways.
- On the Tier-1 Gateway page, click the vertical eclipses for the cross-instance_tier1 gateway and click Edit.
- Click Add Location and enter the following values.
Select the location of this instance
Select the NSX Edge cluster of the this instance
Set to Secondary.
- Click Save.