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I've been fighting with snmp for tunnel monitoring for a few months now...and I can tell you that the data in .1.3.6.1.4.1.2620.500.9002.1 cannot be trusted. The snmp data shows tunnel status as "down", this is obviously contradicted by my logs, which shows encrypted/decrypted traffic going through this tunnel.  It is also contradicted by the output of 'vpn tu tlist' which shows tunnels as established. I assume the tunnel status shown in SmartView Monitor is based on snmp - this is inaccurate as well. This is a problem as I'm trying to configure alerts for tunnel up/down status, and I don't have an accurate way to get this information.

Frustrating to say the least - it's the year 2024, we should not have to be dealing with bugs in snmp.

Dave