Bug ID 956133: MAC address might be displayed as 'none' after upgrading.

Last Modified: Jun 12, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP Install/Upgrade, LTM(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3

Fixed In:
17.0.0, 15.1.4, 14.1.4.4

Opened: Oct 15, 2020
Severity: 3-Major

Symptoms

The MAC Address of a BIG-IP Virtual Edition network interface is displayed as 'none' after upgrading.

Impact

Traffic disrupted when the MAC address is set to 'none'.

Conditions

1. The VLAN MTU is set to less than 1280 bytes on a BIG-IP network interface. 2. Upgrade BIG-IP to 14.1.0 or above from BIG-IP versions below 14.1.0.

Workaround

N/A

Fix Information

IPv6 link-local addresses are now created with MTU greater than 1280, so this issue is resolved.

Behavior Change