Receiving false BGP Alerts caused by SNMP errors

Products

• VMware Smart Assurance
• Network Observability

Issue/Introduction

This article explains how to disable false BGP alerts that are caused by SNMP errors which are received in Smarts Network Protocol Manager.

Environment

All Supported Smarts releases

Resolution

To disable the BGP Alerts function in Smart Assurance Network Protocol Manager, do the following:

1. Open the bgp.conf file in the Smarts NPM installation using sm_edit.
2. Set the DisableBGPAlertsOnSNMPError parameter value to true. Setting this flag to 'true' will suppress alerts in BGP caused by SNMP errors.
3. Save and close the bgp.conf file.
4. Restart the BGP domain manager.

Additional Information

The following table explains the impact of this flag in a real world scenario:

DisableBGPAlertsOnSNMPError	PeerState	EstablishedHistory	PeerStatePollingFail	Established
FALSE	ESTBLISHED	TRUE	FALSE	TRUE
FALSE	NONESTABLISHED	TRUE	FALSE	FALSE
FALSE	SNMPERROR	TRUE	TRUE	FALSE
FALSE	UNKNOWN	TRUE	TRUE	FALSE
FALSE	ESTBLISHED	FALSE	FALSE	TRUE
FALSE	NONESTABLISHED	FALSE	FALSE	FALSE
FALSE	SNMPERROR	FALSE	TRUE	FALSE
FALSE	UNKNOWN	FALSE	TRUE	FALSE
TRUE	ESTBLISHED	TRUE	FALSE	TRUE
TRUE	NONESTABLISHED	TRUE	FALSE	FALSE
TRUE	SNMPERROR	TRUE	TRUE	TRUE
TRUE	UNKNOWN	TRUE	TRUE	TRUE
TRUE	ESTBLISHED	FALSE	FALSE	TRUE
TRUE	NONESTABLISHED	FALSE	FALSE	FALSE
TRUE	SNMPERROR	FALSE	TRUE	FALSE
TRUE	UNKNOWN	FALSE	TRUE	FALSE