Difference between trap and informs in SNMP

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:

  1. Informs are like traps but they are acknowledged.
  2. Trap is sent from agent to manager, whereas informs can be sent from one manager to another.
  3. For Trap pdu, the type field has a value of 0xA4; for Informs pdu, the type field has a value of 0xA6.
  4. Traps are further categorized into generic and specific traps.

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