Query: SNMP Prococol

HI,

Iam not sure if iam in the right forum but felt like this forum can answer
my questions.

Read that SNMP,

> SNMP defines a client/server relationship. The client program (called the
> network/SNMP manager) makes virtual connections to a server program (called
> the SNMP agent) which resides on a remote network device, and serves
> information to the network manager regarding the device‘s status. The SNMP
> agent receives requests on UDP port 161.

So the SNMP agent(Server) listens on port 161 for SNMP GET/SET requests from
the SNMP Manager (Client)

What about in Case of traps?

The SNMP Manager in this case listens on UDP port 162 for the Traps sent by
the SNMP Agent. So in this case, is it that the SNMP Manager is not the
Server and SNMP Agent is the client??

Another query i had is: what exactly are SNMP INFORMS?

Read that ,

> SNMP inform is nothing it's an acknowledgment mechanisim in SNMP. which is
> getting supported from snmpv2c and snmpv3 onwards

Is it sent from the Manager to the Agent in response to a TRAP? or is it
sent from Agent to Manager just like a trap (but u want manager to ack the
receiptof trap) or is it sent from NMS(SNMP Manager) to another SNMP Manager
????

Iam confused with the explanation given in the below link.

http://docstore.mik.ua/orelly/networking_2ndEd/snmp/ch02_06.htm :
2.6.8. SNMP inform


Please help!!

Thanks!!

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