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 SNMP managers able to access the agent should be defined by an ACL
Configuration

To enable polling:

Router(config)#snmp-server community public RO
Router(config)#snmp-server community private RW

To enable traps:

Router(config)#snmp-server enable traps <config>
Router(config)#snmp-server host <IP_address> version 2c public

To verify:

Router#show snmp group
Router#show snmp user
Router#show running-config | inc snmp

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