Configuring load balancer using UDP on Google Cloud Platform

Last Updated : Jun 10, 2026 |

Before you begin

  • Create a health check, if it is not already created.

  • Create an instance group, if it is not already created.

Procedure

  1. Log on to the Google Cloud Platform.
  2. Navigate to Network services > Load balancing and click Create load balancer.
  3. For UDP Load Balancing, click Start configuration.
  4. For Internet facing or internal only, select Only between my VMs and click Continue.
  5. For Backend Services, enter Name and Region.
  6. For Network, select the required network from the list.
  7. For Backend configuration, do the following:
    1. For new back-ends, choose the instance group that you added and click Done.
    2. Click Add backend.
    3. Choose another instance group that you added and select Use this instance group as a failover group for backup.
    4. Click Done.
    5. Select Health check.
    6. For Drop traffic, toggle on Enable (Drop new connections if no healthy VMs).
  8. For Frontend configuration, do the following:
    1. Enter Name.
    2. Select Subnetwork from the list.
    3. From Internal IP, choose Shared and select the IP address reserved for the TCP load balancer.
    4. For Ports, choose Single and enter the Port number as 443.
    5. Click Done.
  9. Click Create.
Related information
Creating a health check on Google Cloud Platform
Creating an instance group on Google Cloud Platform