Bug ID 505323: NSM hangs in a loop, utilizing 100% CPU

Last Modified: Mar 12, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 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, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.9

Opened: Feb 06, 2015
Severity: 2-Critical
Related AskF5 Article:
K17349

Symptoms

NSM daemon hangs in an endless loop searching recursive nexthop in a trie. This causes NSM to be unresponsive.

Impact

Dynamic routing fails to be responsive to imish commands, and NSM might not update routes.

Conditions

Configure BGP with recursive nexthop.

Workaround

None.

Fix Information

NSM endless loop issue has been fixed and does not hang. Dynamic routing operation is normal.

Behavior Change