Bug ID 472308: Management IP address change interaction with HA heartbeat / failover traffic

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 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

Fixed In:
12.1.0

Opened: Jul 18, 2014

Severity: 3-Major

Related Article: K10569796

Symptoms

When the management IP address changes (either as a result of enabling mgmt-dhcp, or the leased address changing), the system does not synchronize this updated address to other devices in the failover device group / trust domain. (That is, the system does not trigger an update to the device_trust_group.)

Impact

This can cause disruption in an HA environment. The sod process discards any HA heartbeat traffic it receives (e.g., traffic over the self IP addresses) that does not contain a 'known' cluster_mgmt_ip.

Conditions

This occurs on HA configurations.

Workaround

None.

Fix Information

Enabling DHCP on the management interface no longer causes nodes in a DSC to get out of sync or otherwise work unexpectedly.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips