Both Trap and Inform are the SNMP messages to indicate a fault, exception or an attribute value change. Here are the differences between the two:
- Informs are like traps but they are acknowledged.
- Trap is sent from agent to manager, whereas informs can be sent from one manager to another.
- For Trap pdu, the type field has a value of 0xA4; for Informs pdu, the type field has a value of 0xA6.
- Traps are further categorized into generic and specific traps.
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