Last Modified: Apr 17, 2024
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
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, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 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, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 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, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 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, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2
Opened: May 06, 2020 Severity: 4-Minor
The text that describes the monitor state of an LTM node, pool member, or monitor instance also contains a timestamp that initially indicates when the monitor set the affected node or pool member to the indicated state. This timestamp can be affected by other actions, such as incremental or full config sync and config load. The monitor-state description and timestamp can be viewed in the CLI (tmsh) and GUI (tmui) as follows: -- From the command line (CLI) run the command: tmsh show ltm monitor <monitor_type> <monitor_name> This command shows the state of LTM nodes or pool members currently monitored by the specified LTM health monitor, as in the following example: ------------------------------------- LTM::Monitor /Common/mysql_test ------------------------------------- Destination: 10.10.200.28:3306 State time: down for 1hr:58mins:42sec Last error: No successful responses received before deadline. @2020.03.25 14:10:24. - From the Graphical User Interface (TMUI): Go to Local Traffic :: Nodes : Node List :: <node_name>. The 'Availability' field shows text describing the node's monitored state with a timestamp. Go to Local Traffic :: Pools : Pool List :: <pool_name>. Under the Members tab, click the pool member name The 'Availability' field shows text describing the pool member's monitored state with a timestamp.
The timestamp indicated next to the monitored-state description for an LTM Node or Pool Member indicates when the Node or Pool Member was updated in ways other than by its configured monitor. Thus, this timestamp may not indicate the actual time of the monitor event suggested by the description text.
This may occur under the following conditions: -- If an incremental config sync occurs from one high availability (HA) member to another member or to the device group: + The timestamp on monitor instances for all Nodes or Pool Members (as shown by 'tmsh show ltm monitor <type> <name>') may be updated on HA members receiving the incremental config sync. + If a Node or Pool Member has been marked DOWN by a monitor, its timestamp may be updated in the GUI (Node List/Pool-Member list) on HA members receiving the incremental config sync. -- If a full/forced config sync occurs from one HA member to another member or to the device group: + The timestamp on monitor instances for all Nodes or Pool Members (as shown by 'tmsh show ltm monitor <type> <name>') may be updated on HA members receiving the incremental config sync. + The timestamp for all Nodes or Pool Members may be updated in the GUI (Node List/Pool-Member list) on HA members receiving the incremental config sync. -- If a config load occurs: + The timestamp on monitor instances for all Nodes or Pool Members (as shown by 'tmsh show ltm monitor <type> <name>') may be updated on the HA member where the config load occurred. + The timestamp for all Nodes or Pool Members may be updated in the GUI (Node List/Pool-Member list) on the HA member where the config load occurred.
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