VoIP Monitoring Question

VoIP Monitoring Question

Hi,
Setting up a VoIP monitor between two Cisco Routers on our WAN.
Routers are Csico 7301 12.4 IOS.

After setting up a Monitor ( SNMP Write Enabled on Main Router and IP SLA Monitor responder set on Destiniation)
The Log file shows this message :
Unable to configure Voip threshold traps,so OpManager won't generate any alerts for this monitor. Reason:MIB in the source device may be of older version.


Can you advise what this refers to.

Cheers.










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