HP Surestore 64 - Director Switch User manual

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hp surestore director fc-64
SNMP Support Manual
Edition E0102
Order No. A6534-90908
Printed in U.S.A.
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Warranty
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Safety Instructions
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1
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  

2
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
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
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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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GetResponsePD
U
GetRequest PDU
Get Values
NMS Switch
GetResponsePD
U
SetRequest PDU
Set Values
GetResponse PDU
GetNextRequest PDU
Get Next Values
NMS Switch
Trap PDU
Send Trap