Smarts: IP: Seeing UnknownEndpointExist alarm on HRSP Group, what does this mean?

Products

• VMware Smart Assurance

Issue/Introduction

Symptoms:


Why does the UnknownEndpointExist alarm get generated:

In which circumstance does the below alarm get generated? Sometimes it gets cleared after 3 min and some other times, after 13 min ?

 
Details : 
ClassName: HSRPGroup
InstanceName: HSRP-GROUP-199.99.9.10
EventName: UnknownEndpointExist
Class: HSRPGroup
Name: HSRPGroup-henry-vl999_hsrp-vrf_srv_mgt [199.99.9.10] [Group 111]
Event: UnknownEndpointExist
Element Class: HSRPGroup
Element Name: HSRP-GROUP-199.99.9.10
Source: ICS-APM
SourceEventType: EVENT
Active: true
Count: 1
First Notify: Wed Mar 23 12:19:59 GMT 2016
Last Notify: Wed Mar 23 12:19:59 GMT 2016
Last Clear: never
Last Change: Wed Mar 23 12:21:04 GMT 2016
IsRoot: true
IsProblem: false
Acknowledged: false
ClearOnAcknowledge: false
Event Type: DURABLE
Event State: ACTIVE
Event Text: Indiactes that this HSRP group contains alteast one UNKNOWN state HSRP endpoint
Severity: 3
Impact: 0
Certainty: 100%
In Maintenance: false
Domain: NOT SET

Environment

VMware Smart Assurance - SMARTS

Resolution

The UnknownEndpointExist event will be triggered for a number of different reasons.  

Basically it will be triggered when any endpoint is UNKNOWN (has status of UNKNOWN). 

This occurs normally during discovery or when the state of the HSRP switches from manage to unmanage (hence can be cleared in 3 mins, sometimes more).

The pseudo code for it is here:

when IsUnknownEndpointExist is set to TRUE

IsUnknownEndpointExist is computed as follows:

readonly computed attribute boolean IsUnknownEndpointExist
"TRUE - if there exists at least one UNKNOWN state HSRP endpoint."
= !IsEveryComponentDown && (HSRPEndpoint::UNKNOWN_HSRP in HSRPEndpoint(ComposedOf)->State);

This means if there exists at least one end point with state as UNKOWN_HSRP, then this event will be triggered.