Connect Local Tier-1 Gateway to Cross-Instance Tier-0 Gateway

You connect the local tier-1 gateway at each VCF instance to the cross-instance tier-0 gateway.
  1. In a web browser, log in to Global Manager cluster at https://active_
    gm_vip_fqdn
    /.
  2. On the NSX Manager main navigation bar, click
    Networking
    .
  3. In the navigation pane, select
    Tier-1 gateways
    .
  4. On the Tier-1 Gateway page, click the vertical ellipses menu for the
    this_instance_tier1_gateway
    and click
    Edit
    .
  5. Change the Connected Gateway to
    cross_instance_tier0_gateway
    .
  6. In the Location change dialog box, click
    Yes
    .
  7. Under Locations, delete all locations except the location of the instance you are working with.
  8. Click
    Save
    and click
    Close Editing
    .