[SNMP4J] who can help me

Tue Dec 13 02:51:44 CET 2005

hi,arden liu！ 

         thanks a lot for ur help.
         I am studying if snmp can monitor the network safely and roundly.
         but  now  many systems just install snmpv1 or v2 ,the application of v3 is few.  updating all of  the user's  system  is unpractical.         
        it is our fact,let it be.

        now i am learning how to use the snmp4j. then touching another question:
        i don't know what the response of the commond means.    faint.
       e.g.  i wanna get the cpu info of my computer(win xp). i input the command:
       SNMP4J -c public -v 2c -Ot localhost 1.3.6.1.2.1.25.5.1.1.1
       then the response is:( in the postscript).
       where can i search the meanings of these responses ? where is there the docs of response info?

regards

      dingon

     ps:1.I am a Sichuanese in Beijing ,but not Chengduer.And  you?
           2.The response info :

E:\snmp>SNMP4J -c public -v 2c -Ot localhost 1.3.6.1.2.1.25.5.1.1.1
Index = 1:
1.3.6.1.2.1.25.5.1.1.1.1 = 184377

Index = 4:
1.3.6.1.2.1.25.5.1.1.1.4 = 710

Index = 408:
1.3.6.1.2.1.25.5.1.1.1.408 = 4

Index = 552:
1.3.6.1.2.1.25.5.1.1.1.552 = 2

Index = 568:
1.3.6.1.2.1.25.5.1.1.1.568 = 851

Index = 632:
1.3.6.1.2.1.25.5.1.1.1.632 = 87

Index = 656:
1.3.6.1.2.1.25.5.1.1.1.656 = 8

Index = 676:
1.3.6.1.2.1.25.5.1.1.1.676 = 244
Table received in 1132 milliseconds.

Index = 720:
1.3.6.1.2.1.25.5.1.1.1.720 = 296

Index = 732:
1.3.6.1.2.1.25.5.1.1.1.732 = 155

Index = 892:
1.3.6.1.2.1.25.5.1.1.1.892 = 11

Index = 968:
1.3.6.1.2.1.25.5.1.1.1.968 = 37

Index = 1004:
1.3.6.1.2.1.25.5.1.1.1.1004 = 978

Index = 1040:
1.3.6.1.2.1.25.5.1.1.1.1040 = 1

Index = 1068:
1.3.6.1.2.1.25.5.1.1.1.1068 = 5

Index = 1152:
1.3.6.1.2.1.25.5.1.1.1.1152 = 16

Index = 1164:
1.3.6.1.2.1.25.5.1.1.1.1164 = 12

Index = 1304:
1.3.6.1.2.1.25.5.1.1.1.1304 = 600

Index = 1352:
1.3.6.1.2.1.25.5.1.1.1.1352 = 19

Index = 1416:
1.3.6.1.2.1.25.5.1.1.1.1416 = 10

Table walk completed with status -4. Received 20 rows.

E:\snmp>

======== 2005-12-13 00:39:36 您在来信中写道： ========

 how can i download a file or read a file's content from remote machine just by snmp? it seems hard. 
Q: I think it is a very bad choice, who using SNMP to download files. 
You could define a File Object in SNMP, which includes a Filename -- DisplayString; File Length -- INTEGER; Index -- INTEGER; CurrentPoint -- INTEGER; Content -- INTEGER;
After you create one instance using Filename, SNMP agent could generate the value of Index and get FileLength from file system.
Then you could set CurrentPoint=1, the SNMP could put first byte of file into Content.
Then you could use get Content to retrive the first byte of your file.
....
Then you could set CurrentPoint=2, the SNMP could put second byte of file into Content.
Then you could use get Content to retrive the second byte of your file.
...
Until the FileLength.

Maybe you could change this define to make it more efficence.
:))

Are you a Chengduer?

V3 is enough to protect your system.

     and how can snmp guarantees the  security of remote machine system.is snmpv3 enough? but now snmpv1 is familiar.

tanhr <tan_hr at dingtian.com.cn> wrote:
hi,arden liu！ 

thank u very much.

Q:can snmp protocol do it by config the snmp agent?
A: SNMP protocol could do anything. 

Q once more: 

     how can i download a file or read a file's content from remote machine just by snmp? it seems hard.  
     and how can snmp guarantees the  security of remote machine system.is snmpv3 enough? but now snmpv1 is familiar.

    regards

======== 2005-12-12 10:48:35 您在来信中写道： ========

tanhr <tan_hr at dingtian.com.cn> wrote: 
hi:

Q:can i control the remote machine by config its snmp agent? 
A:What's your meaning of config? I think you should check the mib of your snmp agent, which will tell you what kind of function support in your snmp agent.

my users ask me for controlling the machines of their local area network,only by snmp.

it is the best that the controlling is same power as the administrator of remote machine.

Q:can snmp protocol do it by config the snmp agent?
A: SNMP protocol could do anything. 

regards

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dingon
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　　　　　　　　致
礼！

  <><><><><><><><><><><><><><><><><><><><><><><>
  北京鼎天软件有限公司 http://www.dt-soft.com.cn
  Addr :北京. 海淀. 北四环西路9号.银谷大厦15层
  P.C. :100080 
  Email:tan_hr at dingtian.com.cn
  Tel. :+86-010-62800068*822
  Fax. :+86-010-62800188
  产品研发部                           谭恢仁
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