Bug ID 1627141: SSL Orchestrator Next Inline L2 service requires distinct MAC addresses for entry and return VLANs

Last Modified: Oct 19, 2025

Affected Product(s):
BIG_IP_NEXT(VE/HW) TMOS(all modules)

Known Affected Versions:
20.3.0

Opened: Aug 12, 2024

Severity: 3-Major

Symptoms

Traffic is not forwarded to the inline L2 service device. No ICMPv6 echo request/reply packets are observed between SSL Orchestrator Next and inline L2 service device even if monitor is configured.

Impact

Traffic is not forwarded to inline L2 device for security inspection.

Conditions

The issue happens if both entry and return VLANs are assigned the same MAC address. This can happen if entry and return VLANs are configured as tagged VLANs over the same interface.

Workaround

Configure entry and return VLANs on two different interfaces.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips