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Posts Tagged ‘SNMP’

CCNA 7.1.b: SNMPv3

Overview: SNMPv3 contains significant changes to SNMPv2 including options for message integrity, authentication and encryption   Study Notes: SNMPv3 does not use community-strings SNMPv3 provides message integrity, authentication, encryption Security model (Auth) is an authentication strategy for groups and users within those groups Security level (Priv) is the permitted level of security within a security […]


CCNA 7.1.a: SNMPv2

Overview: SNMPv2 improves upon the limitations in SNMPv1   Study Notes: SNMPv2 improves upon SNMPv1 (SNMPv1 was criticized for poor security) SNMPv2 includes these improvements Performance – GetBulkRequest in addition to the iterative GetNextRequest Security – party-based security system (obsoleted later due to complexity) Confidentiality Manager-to-manager communications SNMPv2 still uses the less secure community-string The […]


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