HP T9576G06 Manuale utente

SNMP Configuration

and Management

Manual

Abstract

This manual describes how to install, start, configure, and stop the HP Simple Network

Management Protocol (SNMP) Agent and subagents. The SCF commands used by

SNMP are described. This manual also discusses the objects in the Management

Information Bases (MIBs) used by the agent and subagents. The SNMP Agent and its

subagents comply with SNMP Requests for Comment (RFCs) so that SNMP-compliant

management applications, known as SNMP managers, can manage various resources

on an HP NonStop™ host.

Product Version

SNMP Agent (T9576G06), T9576H01)

Supported Release Version Updates (RVUs)

This manual supports the G06.24 RVU and all subsequent G-series RVUs and the

H06.03 RVU and all subsequent H-series RVUs until otherwise indicated by its

replacement publication.

Part Number Published

424777-006 July 2005

Document History

Part Number Product Version Published

424777-002 SNMP Agent (T9576G06) May 2002

424777-003 SNMP Agent (T9576G06) November 2002

424777-004 SNMP Agent (T9576G06) December 2003

424777-005 SNMP Agent (T9576G06) September 2004

424777-006 SNMP Agent (T9576G06, T9576H01) July 2004

Subagent Product Versions

IPX/SPX Subagent (T8170D30)

TCP/IP Subagent (T7862G05)

Ethernet/Token Ring Subagent (T0326G06)

Trap Multiplexer (T1041G06)

NonStop NET/MASTER Trap Subagent (T8491D20)

EMS Trap Subagent (T9632D31)

Host Resources Subagent (T8496G04)

ONS Subagent (T8103D40)

Hewlett-Packard Company—424777-006

SNMP Configuration and

Management Manual

Glossary Index Examples Figures Tables

What’s New in This Manual xxiii

Manual Information xxiii

New and Changed Information xxiv

About This Manual xxv

Your Comments Invited xxv

Audience xxv

Purpose xxvi

Organization xxvi

Related Documents 1-18

2. Installing and Configuring the SNMP Agent

Installation 2-1

Before You Configure the SNMP Agent Operations Environment 2-1

Initialization Tasks 2-3

The Default SNMP Agent 2-3

The SNMPCTL File 2-6

Configure the SNMCTL File to Control the SNMP Agent 2-6

RUN Command 2-7

Special Considerations for Users of Logical Network Partitions (LNPs) 2-12

Startup Parameter Summary 2-13

WARM | COLD Custom Configuration Parameters for the RUN Command 2-14

The SNMPCTL File and TRAPPORT 2-16

PARAM Statements’ Custom Configuration for the RUN Command 2-16

Using SCF to Configure Components of the SNMP Agent Environment 2-16

SNMP Agent Process 2-16

Security 2-16

Request/Response Connections 2-17

Trap Connections 2-17

Trap Port 2-17

Configuring the SNMP Agent Through SNMP Requests 2-17

Request/Response Connections 2-17

Trap Connections 2-17

Authentication Table Entries 2-17

Managing Configuration Definitions Through SNMP 2-18

Single-Node and Multiple-Node Scenarios 2-19

Starting Multiple SNMP Agents on Each Node 2-23

Stopping the SNMP Agent 2-24

Configuring the EMS Collector 2-25

Using the COLLECTOR Startup Parameter 2-26

Using the SCF ALTER PROCESS Command 2-26

Configuring Security 2-26

Authenticating Requests Received Over TCP/IP 2-26

Authenticating Requests Received Using the IPC Interface 2-31

Contents

SNMP Configuration and Management Manual—424777-006

iii

2. Installing and Configuring the SNMP

Agent (continued)

2. Installing and Configuring the SNMP Agent (continued)

After a Request Has Been Authenticated 2-31

Security Scenarios for SNMP Managers Using TCP/IP 2-32

Configuring TCP/IP Request/Response Connections 2-34

Single-Agent Connections 2-35

Multiple-Agent Connections 2-35

Remote Connections 2-37

Configuring Trap Destinations 2-38

Dynamically Generated Trap Destinations 2-40

Forwarding Traps to Managers Communicating Through IPC 2-41

Disabling the Sending of Traps 2-41

Single-Host Connections 2-42

Multiple-Host Connections 2-43

3. MIBs Supported by the SNMP Agent

SNMP Agent MIB Groups 3-1

RFC Compliance 3-2

Installation 3-2

System Group 3-3

MIB Objects 3-3

RFC Compliance 3-5

SNMP Group 3-6

MIB Objects 3-7

RFC Compliance 3-10

zagInternal Group 3-10

MIB Objects 3-11

SNMP Manager Access to Private MIB Objects 3-20

Table Row Management Overview 3-22

Managing Table Rows From SNMP Managers 3-24

Creating a Table Row 3-28

Default Values for Table Row Objects 3-29

Activating Table Row Entries 3-29

Deactivating Table Row Entries 3-30

Modifying Table Row Entries 3-30

Deleting a Table Row 3-30

Configuring the SNMP Agent Through SNMP Requests 3-30

Request/Response Connections 3-30

Trap Connections 3-30

Authentication Table Entries 3-31

Contents

SNMP Configuration and Management Manual—424777-006

4. Introduction to SCF for the SNMP Agent

Part II. SCF for the SNMP Agent

4. Introduction to SCF for the SNMP Agent

Tasks You Can Perform With SCF 4-1

SCF and the DSM Family of Products 4-2

Subsystem Programmatic Interface 4-2

The Subsystem Control Point 4-2

Objects 4-3

Object Attributes 4-3

Object Hierarchy 4-4

Object States 4-4

The PROCESS Object 4-5

Naming Conventions: PROCESS Object 4-5

PROCESS Object States 4-6

PROCESS Object Attributes 4-6

Default PROCESS Object 4-6

The ENDPOINT Object 4-8

Naming Conventions: ENDPOINT Object 4-8

ENDPOINT Object States 4-9

ENDPOINT Object Attributes 4-10

Default ENDPOINT Object 4-10

The PROFILE Object 4-12

Naming Conventions: PROFILE Object 4-12

PROFILE Object States 4-14

PROFILE Object Attributes 4-14

Default PROFILE Object 4-14

The TRAPDEST Object 4-16

Naming Conventions: TRAPDEST Object 4-16

TRAPDEST Object States 4-17

TRAPDEST Object Attributes 4-18

Default TRAPDEST Objects 4-18

SCF-Configured Trap Destination Limitations: Broadcast Only 4-19

Running SCF 4-21

Entering SCF Commands 4-21

SCF Commands for Managing Your SCF Session 4-21

SCF Commands for Managing a Subsystem 4-22

Sensitive and Nonsensitive Commands 4-23

Command Modifiers 4-23

Entering Multiple Commands at a Prompt 4-23

Contents

SNMP Configuration and Management Manual—424777-006

4. Introduction to SCF for the SNMP

Agent (continued)

4. Introduction to SCF for the SNMP Agent (continued)

Continuing a Command to the Next Line 4-23

Directing Output to a File 4-24

Error Messages 4-24

SCF Online Help 4-24

Displaying Help for NonStop Agent SCF Commands 4-24

Displaying Help for SCF Error Messages 4-25

SCF Information Specific to the NonStop Agent 4-25

The SCF Product Module for the NonStop Agent 4-26

Before You Can Issue SCF Commands Against the NonStop Agent 4-26

SCF Configuration and the TCPIP^PROCESS^NAME Startup Parameter 4-27

5. SCF Commands for the SNMP Agent

Configuration Restrictions: Attribute Conflicts 5-2

ABORT Command 5-3

ABORT ENDPOINT Command 5-3

ABORT PROFILE Command 5-4

ABORT TRAPDEST Command 5-5

ADD Command 5-5

ADD ENDPOINT Command 5-6

ADD PROFILE Command 5-8

ADD TRAPDEST Command 5-10

ALTER Command 5-13

ALTER ENDPOINT Command 5-13

ALTER PROCESS Command 5-15

ALTER PROFILE Command 5-16

ALTER TRAPDEST Command 5-17

DELETE Command 5-19

DELETE ENDPOINT Command 5-19

DELETE PROFILE Command 5-19

DELETE TRAPDEST Command 5-20

INFO Command 5-21

INFO ENDPOINT Command 5-21

INFO PROCESS Command 5-22

INFO PROFILE Command 5-23

INFO TRAPDEST Command 5-24

NAMES Command 5-25

START Command 5-26

START ENDPOINT Command 5-26

Contents

SNMP Configuration and Management Manual—424777-006

5. SCF Commands for the SNMP

Agent (continued)

5. SCF Commands for the SNMP Agent (continued)

START PROFILE Command 5-26

START TRAPDEST Command 5-27

STATUS Command 5-28

STATUS ENDPOINT Command 5-28

STATUS PROCESS Command 5-29

STATUS PROFILE Command 5-30

STATUS TRAPDEST Command 5-31

STOP Command 5-32

STOP ENDPOINT Command 5-33

STOP PROFILE Command 5-33

STOP TRAPDEST Command 5-34

TRACE Command 5-35

VERSION Command 5-37

Part III. Troubleshooting

6. SNMP Agent PTrace Facility

Introduction to PTrace 6-1

Running PTrace 6-3

Starting a Noninteractive PTrace Session 6-3

Starting an Interactive PTrace Session 6-4

Device Type 6-4

PTrace Commands 6-4

PTrace Commands Supported by the NonStop Agent 6-5

PTrace Commands Not Supported by the NonStop Agent 6-5

Subset of Useful NonStop Agent PTrace Commands 6-5

FROM Command 6-6

NEXT Command 6-7

RECORD Command 6-9

SELECT Command 6-10

7. Troubleshooting the SNMP Agent

Troubleshooting Strategy 7-1

Diagnosing Startup Errors 7-1

Identifying Unavailable Resources 7-2

Underlying Request/Response Connection Resources 7-2

Underlying Trap Destination Resources 7-2

Using EMS Filters 7-2

Contents

SNMP Configuration and Management Manual—424777-006

vii

7. Troubleshooting the SNMP Agent (continued)

Creating a Filter 7-3

Compiling the Filter 7-4

Displaying Filtered Event Messages 7-4

Using Trace Records 7-4

TCP/IP 7-5

SNMP Agent 7-5

Diagnosing Request Errors 7-6

Part IV. SNMP Subagents

8. TCP/IP Subagent

Architectural Overview 8-1

The TCP/IP Subagent and Its Managed Resources 8-4

The NonStop TCP/IP Subagent and the SNMP Agent 8-4

The Parallel Library TCP/IP Subagent and Its Managed Resources 8-4

The NonStop TCP/IPv6 Subagent and its Managed Resources 8-5

Standard MIB-II Groups Supported by the TCP/IP Subagent 8-5

Private MIB Objects Supported by the TCP/IP Subagent 8-7

MIB Value Derivation 8-7

Unavailable Resources 8-8

Reporting Values for Uninstrumented Objects 8-8

Refreshing MIB Values 8-9

Initiating Backup Process Takeover 8-10

Related Documents 8-11

RFC Compliance 8-11

Installing the TCP/IP Subagent 8-11

Installation Steps 8-11

Before Starting the TCP/IP Subagent 8-12

Starting the TCP/IP Subagent 8-12

Stopping the TCP/IP Subagent 8-16

Configuring a Running TCP/IP Subagent 8-16

Querying a Running TCP/IP Subagent 8-16

Controlling a Running TCP/IP Subagent 8-17

ZTSA MIB Objects 8-20

State Object/Resource Object Pairs 8-28

Interfaces Group 8-30

MIB Objects 8-31

Contents

SNMP Configuration and Management Manual—424777-006

viii

8. TCP/IP Subagent (continued)

RFC Compliance 8-38

ifTable Maintenance 8-38

IP Group 8-40

MIB Objects 8-41

RFC Compliance 8-48

ipAddrTable Maintenance 8-50

ipRouteTable Maintenance 8-50

ipNetToMediaTable Maintenance 8-51

ICMP Group 8-51

MIB Objects 8-52

RFC Compliance 8-55

TCP Group 8-56

MIB Objects 8-57

RFC Compliance 8-60

tcpConnTable Maintenance 8-61

UDP Group 8-61

MIB Objects 8-62

RFC Compliance 8-63

udpTable Maintenance 8-63

Traps Generated by the TCP/IP Subagent 8-64

EMS Support 8-64

Data Definitions 8-67

Subsystem ID 8-68

Tokens in ZTSA Event Messages 8-68

Event Message Descriptions 8-70

1001: ZTSA-EVT-SUBAGENT-AVAIL 8-70

1002: ZTSA-EVT-SUBAGENT-UNAVAIL 8-72

1003: ZTSA-EVT-AGENT-OBJ-AVAIL 8-75

1004: ZTSA-EVT-AGENT-OBJ-UNAVAIL 8-77

1005: ZTSA-EVT-BACKUP-OBJ-AVAIL 8-79

1006: ZTSA-EVT-BACKUP-OBJ-UNAVAIL 8-82

1007: ZTSA-EVT-EMSCOLL-OBJ-AVAIL 8-85

1008: ZTSA-EVT-EMSCOLL-OBJ-UNAVAIL 8-87

1009: ZTSA-EVT-TCPIP-OBJ-AVAIL 8-90

1010: ZTSA-EVT-TCPIP-OBJ-UNAVAIL 8-92

1011: ZTSA-EVT-OUT-OF-MEMORY 8-95

1012: ZTSA-EVT-INTERNAL-FAULT 8-97

1013: ZTSA-EVT-CONFIGURATION-INVALID 8-99

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