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CHAPTER 16: SNMP OVERVIEW
MULTILINK ML1600 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL 16–3
• SNMP user - A person for which an SNMP MGMNT operation is performed. The user is
the person on a remote SNMP engine who receives the information.
• SNMP view - A mapping between SNMP objects and the access rights available for
those objects. An object can have different access rights in each view. Access rights
indicate whether the object is accessible by either a community string or a user.
• Write view - A view name (not to exceed 64 characters) for each group that defines
the list of object identifiers (OIDs) that are able to be created or modified by users of
the group.
16.1.3 Traps
The traps supported by MNS are as follows:
SNMP Traps: Warm Start, Cold Start, Link Up, Link Down, Authentication Failure.
RMON Traps: Rising Alarm, Falling Alarm for RMON groups 1, 2, 3, and 9 (Statistics, Events,
Alarms, and History)
Enterprise Traps: Intruder
16.1.4 Standards
There are several RFC’s defining SNMP. MNS supports the following RFC’s and standards
SNMPv1 standards
• Security via configuration of SNMP communities
• Event reporting via SNMP
• Managing the switch with an SNMP network management tool Supported
Standard MIBs include:
• SNMP MIB-II (RFC 1213)
• Bridge MIB (RFC 1493) (ifGeneralGroup, ifRcvAddressGroup, ifStackGroup)
• RMON MIB (RFC 1757)
• RMON: groups 1, 2, 3, and 9 (Statistics, Events, Alarms, and History)
• Version 1 traps (Warm Start, Cold Start, Link Up, Link Down, Authentication Failure,
Rising Alarm, Falling Alarm)
RFC 1901-1908 – SNMPv2
• RFC 1901, Introduction to Community-Based SNMPv2. SNMPv2 Working Group
• RFC 1902, Structure of Management Information for Version 2 of the Simple
Network Management Protocol (SNMPv2). SNMPv2 Working Group
• RFC 1903, Textual Conventions for Version 2 of the Simple Network Management
Protocol (SNMPv2). SNMPv2 Working Group
• RFC 1904, Conformance Statements for Version 2 of the Simple Network
Management Protocol (SNMPv2). SNMPv2 Working Group
• RFC 1905, Protocol Operations for Version 2 of the Simple Network Management
Protocol (SNMPv2). SNMPv2 Working Group
• RFC 1906, Transport Mappings for Version 2 of the Simple Network Management
Protocol (SNMPv2)