Symbol CB3000 - SNMP Settings; SNMP Trap Selection

CB3000 Client Bridge User Guide
4-10
4.2.2 SNMP Settings
Simple Network Management Protocol (SNMP) facilitates the exchange of management information between
network devices. SNMP uses Management Information Bases (MIBs) to manage the device configuration and
monitor Internet devices that may be in remote locations. MIB information accessed via SNMP is defined by a
set of managed objects called object identifiers (OIDs). An object identifier (OID) is used to uniquely identify
each object variable of an MIB.
SNMP allows a network administrator to manage network performance, find and solve network problems, and
plan for network growth. The CB3000 supports SNMP management functions for gathering information from
its network components, and communicating that information to specified users.
The CB3000 SNMP agent functions as a command responder and is a multilingual agent responding to
SNMPv1 and v2c managers (command generators). The factory default configuration maintains SNMPv1/2c
support of the community names, and thus provides backward compatibility.
To customize the SNMP capabilities provided by default with the CB3000, see the following sections:
• SNMP Trap Selection
• SNMP Access
• SNMP Destination
4.2.2.1 SNMP Trap Selection
SNMP provides the ability to send traps to notify the administrator that trap conditions are met. Traps are
network packets containing data relating to network devices, or SNMP agents, that send the traps. SNMP
management applications can receive and interpret these packets, and optionally perform responsive actions.
SNMP trap generation is programmable on a trap-by-trap basis.
By default, the following SNMP traps are enabled to capture network events that could impact your network,
as they relate to CB3000 operations:
• SNMP Cold Start – Trap generated whenever the CB3000 re-initializes while transmitting, possibly
altering the SNMP agent's configuration or protocol entity implementation.
• SNMP ACL Violation – Trap generated whenever an SNMP client cannot access SNMP management
functions or data due to an Access Control List (ACL) violation. This can result from a missing/incorrect
IP address entered within the Ethernet Settings screen.
• SNMP Authentication Failures – Trap generated whenever an SNMP-capable client is denied access to
the CB3000’s SNMP management functions or data. This can result from an incorrect login, or missing
or incorrect user credentials.
• Configuration Changes – Trap generated whenever changes to the CB3000’s configuration file are
saved.
• Ethernet Acl Violation - Trap generated whenever a device (not on the Wired Ethernet ACL) has
requested access to the CB3000 managed network. Only devices on the Wired Ethernet ACL can access
the CB3000 without trap generation.
• Firmware Upgrade Failure - Trap generated whenever errors are detected during the CB3000 firmware
upgrade process.
• Config File Update Failure - Trap generated whenever errors are detected during a CB3000 configuration
file update operation.
• Invalid Text Config - Trap generated whenever an error is detected when reading a configuration file.