HP Surestore 64 - Director Switch Manuale utente

KSVXUHVWRUHGLUHFWRUIF

61036XSSRUW

0DQXDO

hp surestore director fc-64

SNMP Support Manual

Edition E0102

Order No. A6534-90908

Printed in U.S.A.

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Notice

+HZOHWW3DFNDUG&RPSDQ\  $OOULJKWV

UHVHUYHG

+HZOHWW3DFNDUG&RPSDQ\PDNHVQRZDUUDQW\RI

DQ\NLQGZLWKUHJDUGWRWKLVPDWHULDOLQFOXGLQJEXW

QRWOLPLWHGWRWKHLPSOLHGZDUUDQWLHVRI

PHUFKDQWDELOLW\DQGILWQHVVIRUDSDUWLFXODUSXUSRVH

+HZOHWW3DFNDUGVKDOOQRWEHOLDEOHIRUHUURUV

FRQWDLQHGKHUHLQRUIRULQFLGHQWDORUFRQVHTXHQWLDO

GDPDJHVLQFRQQHFWLRQZLWKWKHIXUQLVKLQJ

SHUIRUPDQFHRUXVHRIWKLVPDWHULDO

7KLVGRFXPHQWFRQWDLQVSURSULHWDU\LQIRUPDWLRQ

ZKLFKLVSURWHFWHGE\FRS\ULJKW1RSDUWRIWKLV

GRFXPHQWPD\EHSKRWRFRSLHGUHSURGXFHGRU

WUDQVODWHGLQWRDQRWKHUODQJXDJHZLWKRXWWKHSULRU

ZULWWHQFRQVHQWRI+HZOHWW3DFNDUG7KH

LQIRUPDWLRQFRQWDLQHGLQWKLVGRFXPHQWLVVXEMHFWWR

FKDQJHZLWKRXWQRWLFH

<RXU+HZOHWW3DFNDUG'LUHFWRU&ODVV6ZLWFKLVD

KLJKO\YHUVDWLOHSURGXFWFDSDEOHRIRSHUDWLQJLQD

PXOWLWXGHRIFRQILJXUDWLRQV+HZOHWW3DFNDUG

GHVLJQVDQGWHVWVWKHVHFRQILJXUDWLRQVWRRSWLPL]H

SURGXFWSHUIRUPDQFH$VVXFK\RXUSDUWLFXODU

LQVWDOODWLRQPD\RUPD\QRWXWLOL]HDOOWKHIHDWXUHV

SUHVHQWHGLQWKLVGRFXPHQW$OZD\VFRQVXOW\RXU

+HZOHWW3DFNDUGUHSUHVHQWDWLYHIRUWKHODWHVW

FRQILJXUDWLRQLQIRUPDWLRQ

Warranty

,I\RXKDYHDQ\TXHVWLRQVDERXWWKHZDUUDQW\IRU

WKLVSURGXFWFRQWDFW\RXUGHDOHURUORFDO+HZOHWW

3DFNDUGVDOHVUHSUHVHQWDWLYH

Safety Instructions

*URXQGLQJ

7KLVSURGXFWLVDVDIHW\FODVV,SURGXFWDQGKDVD

SURWHFWLYHHDUWKLQJWHUPLQDO7KHUHPXVWEHDQ

XQLQWHUUXSWLEOHVDIHW\HDUWKJURXQGIURPWKHPDLQ

SRZHUVRXUFHWRWKHSURGXFWªVLQSXWZLULQJ

WHUPLQDOVSRZHUFRUGRUVXSSOLHGSRZHUFRUGVHW

:KHQHYHULWLVOLNHO\WKDWWKHSURWHFWLRQKDVEHHQ

LPSDLUHGGLVFRQQHFWWKHSRZHUFRUGXQWLOWKH

JURXQGKDVEHHQUHVWRUHG

6HUYLFH

$Q\VHUYLFLQJDGMXVWPHQWPDLQWHQDQFHRUUHSDLU

PXVWEHSHUIRUPHGRQO\E\DXWKRUL]HGVHUYLFH

WUDLQHGSHUVRQQHO

Format Conventions

'HQRWHV

WARNING $KD]DUGWKDWFDQFDXVH

SHUVRQDOLQMXU\

Caution $KD]DUGWKDWFDQFDXVHKDUGZDUH

RUVRIWZDUHGDPDJH

Note 6LJQLILFDQWFRQFHSWVRURSHUDWLQJ

LQVWUXFWLRQV

WKLVIRQW 7H[WWREHW\SHGYHUEDWLPDOO

FRPPDQGVSDWKQDPHVILOH

QDPHVDQGGLUHFWRU\QDPHV

this font 7H[WGLVSOD\HGRQWKHVFUHHQ

WKLVIRQW! .H\VWREHSUHVVHGIRUH[DPSOH

WKH5HWXUQ!NH\

CONTENTS

Contents

1 Introduction to SNMP

2YHUYLHZ 

1HWZRUN0DQDJHPHQW 

61030DQDJHPHQWIRU1HWZRUNV

+RZ6103:RUNV 

6103&RPPDQGV 

9DULDEOHV,QD0DQDJHG'HYLFH  

+RZ6103&KDQJHV9DULDEOHV2EMHFWVLQD0DQDJHG'HYLFH  

0,%VDQG7UDSV  

6WDQGDUG0,%V 

3ULYDWH(QWHUSULVH0,%V 

7UDSVDQG7KHLU3XUSRVH  

2 Director SNMP support

61030DQDJHPHQW 

61036XSSRUW  

'RZQORDGLQJ61039DULDEOHV0,%V 

6103Y7UDQVSRUWV  

$JHQW&RQILJXUDWLRQ 

0,%,,6XSSRUW  

)LEUH&KDQQHO0DQDJHPHQW0,%  

&RQQHFWLYLW\8QLW*URXS2EMHFWV  

/LQN7DEOH  

)DEULF6WDWLVWLFV  

61037UDS5HJLVWUDWLRQ*URXS  

Contents

7UDS5HJLVWUDWLRQ7DEOH  

)LEUH&KDQQHO0DQDJHPHQW7UDSV  

)LEUH&KDQQHO)DEULF(OHPHQW0,%6XSSRUW  

(UURU*URXS7DEOH  

$FFRXQWLQJ&ODVV  

$FFRXQWLQJ&ODVV  

2SHUDWLRQ)B3RUW2SHUDWLRQ7DEOH 

2SHUDWLRQ)B3RUW3K\VLFDO/HYHO7DEOH  

&RQILJXUDWLRQ*URXS  

&DSDELOLW\*URXS7DEOH 

()3ULYDWH(QWHUSULVH0,%HI  

6\VWHP*URXS 

)LHOG5HSODFHDEOH8QLW)58*URXS  

)LEUH&KDQQHO3RUW*URXS  

3RUW%LQGLQJ*URXS  

=RQLQJ*URXS  

7KUHVKROG$OHUW*URXS  

*HQHULF7UDSV 

(QWHUSULVH6SHFLILF7UDS  

Introduction to SNMP

1 INTRODUCTION TO SNMP

Overview

How SNMP Works

Variables In a Managed Device

MIBs and Traps

22YHUYLHZ

Overview

1HWZRUN0DQDJHPHQW

1HWZRUNPDQDJHPHQWLVDEURDGWHUPLQFOXGLQJZRUNVWDWLRQFRQILJXUDWLRQDVVLJQPHQWRI

,3DGGUHVVHVQHWZRUNGHVLJQDUFKLWHFWXUHQHWZRUNVHFXULW\DQGWRSRORJLHV$OOWKLVFDQ

IDOOZLWKLQWKHVFRSHRIDQHWZRUNPDQDJHU

Any protocol for managing networks must allow virtually all network devices and

systems to communicate statistics and status information to network management

stations, (network managers). This communication must be independent of the primary

network transmission medium and impose little effect on the efficiency of the network.

Network managers must be able to obtain status information from managed devices, and

make changes in the way the managed devices handle network traffic. Network managers

must be able to do this without knowing anything about the managed device itself, SNMP

management is one way of meeting these requirements.

61030DQDJHPHQWIRU1HWZRUNV

Simple Network Management Protocol (SNMP) is a mechanism for network management

that is complete, but simple. It is designed on the manager/agent paradigm, with the

agent being resident in the managed device. Information is exchanged between agents

(devices on the network being managed) and managers (devices on the network through

which management is done).

There are many possible transactions between agents and managers. These transactions

vary widely with the different types of devices that can be managed. With so many varied

requirements for reporting and management, the list of commands a manager must be

able to issue is overwhelming, and every new manageable device can increase the list.

SNMP was created to allow all these things to be easily done on any growing network.

SNMP operates on a simple fetch/store concept. With SNMP the available transactions

between manager and agent are limited to a handful. The manager can request

information from the agent or modify variables on the agent. The agent can respond to a

request by sending information, or if enabled to do so, voluntarily notify the manager of a

change of status on the agent (issue a trap).

With SNMP, administrators can manage the director configuration, faults, performance,

accounting, and security from remote SNMP management stations.

+RZ6103:RUNV 3

Introduction to SNMP

How SNMP Works

SNMP is the only protocol that is widely available from many vendors of TCP/IP

networks and internetworks.

SNMP:

Allows management with a simple set of commands.

Allows new devices added to a network to be easily managed with minimal

intervention.

Is adequate for many basic network management needs.

Is generalized for application to networks other than TCP/IP, such as IPX and OSI.

Provides a great deal of versatility for managing a great many types of devices.

Allows all networks to employ the same method for management.

6103 RPPDQGV

A manager requests information from an agent by sending a single command, the Get

command. The Get command also has a variation (GetNextRequest) that permits more

efficient operation:

GetRequest – Requests the value of a specified variable on the agent. This command is

used to retrieve management data.

GetNextRequest – Requests the value of the next variable after the one specified in the

previous Get command.This command is used to retrieve lists and tables of

management data.

An agent responds to a request by sending a single command, the GetResponse

command. This command contains the requested information.

A manager changes information (variables) in the agent by sending a single command,

the SetRequest command. this command is used to manipulate management data.

A trap is used by an agent to report extraordinary events. Refer to Traps and Their

Purpose on page 7.

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)LJXUH 6103&RPPDQGVDQG5HVSRQVHV

GetResponsePD

GetRequest PDU

Get Values

NMS Switch

GetResponsePD

SetRequest PDU

Set Values

GetResponse PDU

GetNextRequest PDU

Get Next Values

NMS Switch

Trap PDU

Send Trap

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