Bug ID 1615181: LB::server returns default gateway pool address when traffic is internally forwarded with 'virtual' command

Last Modified: Oct 19, 2025

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

Known Affected Versions:
16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3

Opened: Jul 16, 2024

Severity: 4-Minor

Symptoms

When BIG-IP forwards the traffic internally with 'virtual' command, the value returned by LB::server is not a virtual IP address

Impact

LB::server returns unexpected value

Conditions

- Virtual IP address is not in a directly connected network AND - The chosen route is using a pool

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips