Bug ID 601709: I2C error recovery for BIG-IP 4340N/4300 blades

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.6.0, 11.6.1, 11.6.2, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2

Fixed In:
13.0.0, 12.1.3, 11.6.3, 11.5.5

Opened: Jun 27, 2016

Severity: 3-Major

Related Article: K02314881

Symptoms

The I2C internal bus for the front switch on BIG-IP 4340N/4300 blades may not work.

Impact

Corrupted serial number information from SFPs, and fiber SFPs may not come up.

Conditions

This rarely happens.

Workaround

bigstart restart bcm56xxd

Fix Information

The system now ensures that the I2C internal bus can recover from occasional errors.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips