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Appendix A. Understanding SNMP

A-4

TSU 100 User Manual 61202052L1-1

SNMP Trap Configuration

Traps received by the TSU 100 from external units and the host

unit are converted into SNMP traps and forwarded to the con-

figured NMS. The source of the trap is uniquely identified at

the NMS by a combination of the IP address of the TSU 100,

and the Unit ID of the sending device. The Unit ID is present in

the trap packet appended to the end of the trap community

packet name, for example

public.4

. It is also included as an

Octet String variable (

adProdPhysAddress

) in the trap packet as

defined in the individual product MIBs. The latest versions of

the product MIBs, by default, display the appended trap com-

munity name in their descriptions.

Typical steps required for Management Station trap configura-

tion are loading the device specific MIBs and loading or creat-

ing device-specific Trap Definition Files. The current product

MIBs contain keywords embedded in comments that can be

used by some network management platforms to automatically

generate Trap Definitions. Otherwise, the descriptions may be

used as a template for Trap Definitions.

If individual option card port and slot identification is

required, it is present in the four- byte

adProdPhysAddress

field

of the trap packet. The first two bytes are the Unit ID of the

base controller (least significant byte first). The next two bytes

are port and slot number. This field is the second object identi-

fier in all traps sent from TSU/TDU products. For traps from

the ISU 512, the Unit ID is the first object identifier. See the

product MIBs for more information.

Definitions for Poll Link Up/Down traps are included in the

TSU 100 MIB file: TSU 100e.MIB.

The TSU 100 and TSU 100e share the same MIB.

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ADTRAN SLC-5 U-BR1TE III Bedienungsanleitung Seite 108