Bug ID 807517: In certain cases, under heavy DNS requests load, DNS Relay Proxy encounters unrecoverable errors causing it to stop working.

Last Modified: Apr 28, 2025

Affected Product(s):
APM-Clients TMOS(all modules)

Fixed In:
7.1.8.2

Opened: Jul 19, 2019

Severity: 3-Major

Symptoms

- DNS relay proxy service was unable to handle a larger number of DNS requests and gave errors causing the servers to become unresponsive.

Impact

- DNS Split scope does not work. DNS requests will be resolved based on the system configuration during the VPN connection.

Conditions

- Bottleneck in resolution of DNS requests on the system (unresponsive DNS servers etc) - Heavy load of DNS requests in a short period of time.

Workaround

None

Fix Information

Now, this issue is fixed, and the service handles bulk requests without any error.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips