Using a Load Balancer to use multiple UDM Pro Bridge
UDM Pro Bridges can up set up in a load balanced scenario to help manage a large number of devices in a location/deployment.
UDM Pro will require the load balanced network to be set up a certain way to work as the application is intended, here are a few points to keep in mind when setting up the load balanced network:
Load balancing methods:
A persistent load balancing method will be required to be used. This will help keep the phone connected to same Bridge as all times helping keep UDM Pro efficient.
"X-forwarded-for" Headers:
Enable X-forwarded-for headers to allow the UDM Pro Bridges to read originating IP addresses from the phone.
Transparency:
Transparency will need to be enabled. This will preserve the originating IP address allowing the Bridges to communicate to the phones.
The traffic flow should look like: