Trap handling

Hi,

We have a requirement to support trap handling in our project.

Requirement is whenever a trap is received a function should be called which extracts the community string and performs some operation.

With were able to do it with scotty(opening a listener session and binding it with a callback function. Please see the code below).

set session [Tnm::snmp listener -port 162 -version SNMPv1 -transport udp -tags {}]
$session bind trap {
set pdu "%V"
set community "%C"
}

How can the same functionality be achieved using net-snmp(a callback function should be called whenever a trap is received).

I read about snmptrapd and snmptrapd.conf, but I am not sure how to use it to achieve the above functionality.

Can anybody help me with this problem?

Thanks in advance

Regards,
Sushma

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