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Rev 2.0 C Aug.10 175

D: SNMP : Simple Network Management

Protocol

• SNMP MIB

Definition Sample

Management Information Base (MIB)

The management information base (MIB) is a type of database used

to compile the information from the various SNMP agents. Reports

from various agents, such as the AirLink device, are sent as data in

form designed to be parsed by the NMS into its MIB. The data is

hierarchical with entries addressed through object identifiers.

SNMP Traps

SNMP traps are alerts that can be sent from the managed device to

the Network Management Station when an event happens. Your

AirLink device is capable of sending the linkUp trap when the network

connection becomes available.

Listening Port

*SNMPPORT sets the port for the SNMP agent to listen on. If set to

zero, default, SNMP is disabled.

Tip:

SNMP generally uses port 161, however most Internet providers

(including cellular) block all ports below 1024 as a security measure. You

should be able to use a higher numbered port such as 10161.

Security Level

*SNMPSECLVL sets the security level and which version of SNMP

communications are used.

•0 - No security required. SNMPv2c and SMNPv3 communica-

tions are allowed.

•1 - Authentication required. SNMPv3 is required to do authenti-

cation and SNMPv2c transmissions will be silently discarded.

Authentication is equivalent to the authNoPriv setting in SNMPv3.

•2 - Authentication required and messages are encrypted.

SNMPv3 is required to do authentication. SNMPv2c and

SNMPv3 authNoPriv transmissions will be silently discarded.

Authentication and encryption is equivalent to the authPriv

setting in SNMPv3.

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