App Synthetic Monitor (ASM) Planned Maintenance March 02, 2026

Broadcom will be performing scheduled maintenance to upgrade DX App Synthetic to the latest version on March 2, 2026. This upgrade includes new features, performance improvements, and critical bug fixes to enhance overall stability and functionality.

Customer Action Required – IP Address Changes

As part of this upgrade, we are transitioning to a new infrastructure provider. As a result, the IP addresses of some ASM stations will change.

If your environment uses IP-based firewall rules or allowlists, please update them to whitelist the following new IP addresses prior to the maintenance window:

• 34.32.111.20

• 34.118.76.181

• 34.51.46.153

• 34.32.63.98

• 34.155.80.38

• 34.32.78.50

• 34.165.235.53

• 34.116.195.2

• 52.211.10.84

• 34.165.50.163

• 34.154.70.204

• 43.217.137.170

• 34.51.125.248

• 34.51.145.245

• 34.116.230.208

• 34.175.61.228

• 13.247.156.214

• 34.35.51.0

• 34.175.203.47

• 34.51.238.19

• 43.209.158.149

• 34.165.162.195

• 40.172.77.71

• 34.150.36.92

The maintenance window is scheduled for March 2, 2026, at 06:00 UTC and could last up to 15 minutes.

Impact

During the maintenance window, there will be brief outage (approximately 10-15 minutes) in the scheduling of monitor checks and UI, assets from some monitoring locations may not be available.

We will make every effort to minimize disruption and restore full service as quickly as possible. If you have any questions or require assistance with firewall updates, please contact Broadcom Support.