Question about handshake between snmptrapd and snmpd in snmp v3

neha chahal <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
Hi 

I have a question about snmpd and snmptrapd processes in case of snmpv3.

1. I have a set up with the snmp.conf and snmptrapd.conf files setup to send and receive snmp v3 traps. 

2. I start the snmptrapd and then start the snmpd agent and send traps via the snmp agent to the trap deamon and everything looks good. 

3. Then I restart the snmptrapd *without* restarting the snmp agent. Now the snmptrapd can no longer receive traps. Everything halts until I restart the snmp agent and things start to work again. 

My question is :

1. Is there a handshake between the two processes that happens only at startup?

2. Is there a way to re negotiate the handshake incase the snmptrapd goes down and comes back up ? I dont want to restart my snmp agent each time the snmptrapd restarts for some reason.

~Neha


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