Due to this issue, the DNS server might stop responding to the clients. To work around this issue, reduce the amount of memory allocated to the DNS server. Note: This issue has been resolved in version 15.1.0.5 of the software.
On F5 BIG-IP system with an 80:20 or greater load distribution across F5 appliances, DNS requests from clients with IPv6 might be dropped by the DNS servers if the DNS servers do not have an IPv6 stack enabled.
On F5 BIG-IP system with an 80:20 or greater load distribution across F5 appliances, DNS requests from clients with IPv6 might be dropped by the DNS servers if the DNS servers do not have an IPv6 stack enabled. On F5 BIG-IP systems with Windows clients, the DNS client might display a warning message when the DNS client is configured to use IPv6. This can be resolved by disabling IPv6 support on the DNS client. Note: This issue has been resolved in version 15.1.0.6 of the software.
On F5 BIG-IP system with an 80:20 or greater load distribution across F5 appliances, DNS requests from clients with IPv6 might be dropped by the DNS servers if the DNS servers do not have an IPv6 stack enabled. On F5 BIG-IP systems with Windows clients, the DNS client might display a warning message when the DNS client is configured to use IPv6. This can be resolved
Conditions
- On F5 BIG-IP system with an 80:20 or greater load distribution across F5 appliances
- On F5 BIG-IP systems with Windows clients
- When the DNS servers do not have an IPv6 stack enabled
- The DNS client might display a warning message when the DNS client is configured to use IPv6
DNS Requests Might Be Dropped By The DNS Servers
If The DNS Servers Do Not Have An IPv6 Stack Enabled
The F5 BIG-IP system might drop DNS requests from clients if the F5 BIG-IP system is configured with an 80:20 or greater load distribution across F5 appliances and does not have an IPv6 stack enabled.
DNS on F5 BIG-IP system with an 80:20 or greater load distribution across F5 appliances
This issue has been resolved in version 15.1.0.6 of the software.
Offer advice when you encounter a problem
If you are encountering an issue, follow the guidance in this document. If you cannot resolve the issue without assistance, contact your F5 representative.
Timeline
Published on: 05/05/2022 17:15:00 UTC
Last modified on: 05/13/2022 19:17:00 UTC