Bug ID 581770: Network Access traffic does not pass IPv6 traffic if a Network Access resource contains IPv4&IPv6

Last Modified: Aug 19, 2026

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
11.5.3, 11.5.3 hf1, 11.5.3 hf2, 11.5.4, 11.5.4 hf1, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4

Fixed In:
12.1.0

Opened: Mar 18, 2016

Severity: 1-Blocking

Symptoms

Network Access clients are unable to pass IPv6 traffic

Impact

IPv6 traffic is dropped

Conditions

Network Access resource configured with IPv4&IPv6 Client attempts to pass IPv6 traffic

Workaround

None

Fix Information

APM will now pass IPv6 traffic through the tunnel if an IPv4&IPv6 resource is configured.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips