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CCIE Security Exam Certification Guide by Henry Benjamin

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Simple Network Management Protocol

Application layer protocol, Simple Network Management Protocol (SNMP), is used to manage IP devices. SNMP is part of the TCP/IP application layer suite. SNMP allows network administrators the ability to view and change network parameters and monitor connections locally and remotely. Managing network performance over a period of time is one of the major functions that SNMP provides.

There are three version of SNMP:

  • SNMP Version 1 (SNMPv1)

  • SNMP Version 2 (SNMPv2)

  • SNMP Version 3 (SNMPv3)

Both SNMPv1 and SNMPv2 use a community-based form of security. The community string allows access to the SNMP agent and can also be defined by an IP address access control list and password.

To set up the community access strings ...

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