Bug ID 521506: Network Access doesn't restore loopback route on multi-homed machine

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.1.0, 12.0.0, 11.6.1 HF1, 11.6.0 HF6, 11.5.3 HF2

Opened: May 05, 2015

Severity: 3-Major

Symptoms

Network Access on Windows doesn't restore loopback route for one adapter on multi-homed (Ethernet + Wi-Fi) machine.

Impact

Minor routing issues may occur if one special loopback is removed. To restore this route affected adapter should be disabled and enabled.

Conditions

This issue happens if: 1. Network Access was established via Ethernet 2. Ethernet cable was unplugged 3. Network Access reconnects using Wi-Fi 4. Ethernet cable is plugged in back

Workaround

None

Fix Information

Fixed issues causing improper routing table management.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips