What is user security model (USM) and VACM in SNMP v3? Describe in detail.

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written 8.8 years ago by

teamques10 ★ 70k

• modified 3.9 years ago

telecom network management

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written 8.8 years ago by

teamques10 ★ 70k

• modified 8.8 years ago

SNMPv3 Access Control: VACM

• The VACM determines whether access to a managed object in a local MIB by a remote principal should be allowed.

• The VACM makes use of a MIB that defines the access control policy for this agent, and makes it possible for remote configuration to …

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written 7.7 years ago by

teamques10 ★ 70k

• In contrast to SNMP version 1 (SNMPv1) and SNMP version 2 (SNMPv2), SNMP version 3 (SNMPv3) supports authentication and encryption. SNMPv3 uses the user-based security model (USM) for message security and the view-based access control model (VACM) for access control.

• USM specifies authentication and encryption. VACM specifies access-control …

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