回复： Help using net-snmp

Thanks David, and I still have to bother you with two questions.
  
 By now ,my practice is :
  
 I wrote my own mib  which has two oids ,a vendorId (.1.3.6.1.4.1.8888.1, a string type ,read-only ,for detecting device) ,a commandId ((.1.3.6.1.4.1.8888.2, a string type, read-only ,for execute command on the agent) , add this mib to the agent
  
 question 1 : in detecting phase:
   I send the get-request for oid vendorID to the lan subnet , once anyone return the vendorId I wanted , the manager recognise the responser . In my test case, polling 60 IPs cost 6 minutes, it's a little slow, is anyother more effective way to detecte devices I wanted?
  
 question 2: in execute phase
 I want the agent to execute a command such as shutdown when the manager send a get-request for commandId, so ,I used the mib2c to generate .h and .c from the mib I defined myself , in the get-request-handler for commandId, I added a function system("shutdown -h now") , then compile these files to a dynamic library mylib.so , loaded it in the snmpd.conf on the agent ,restart snmpd service . but it doesn't work ,why ? How should I do ?
  
 Thanks 
  
 Best Regards
  
 wade 
  
  ------------------ 原始邮件 ------------------
  发件人: "David A"<[email protected]>;
 发送时间: 2010年11月20日(星期六) 凌晨0:43
 收件人: "徐滕"<[email protected]>; 
 抄送: "net-snmp-users"<[email protected]>; 
 主题: Re: Help using net-snmp

  
 
Yes you would have to send requests to a range of IP addresses and see who answers back. Or maybe you can use some bonjour like protocol.
 
The manager can send requests to an agent that can trigger a command to be executed yes. 
 On Nov 18, 2010 6:48 PM, "徐滕" <[email protected]> wrote:
> Hi,all:
> 
> I'm a fresh man to snmp, and now participating a project which has a manger on the console server,and a agent on several 
> 
> terminals such as pc or tc via lan . I cannot get my head arount how the manger detect the agent via lan ,should it brodcast a get-request to the lan ?
> 
> and next question is ,could the manger send data to the agent or excute a remote command on the agent via net-snmp ?
> 
> Could anyone help me?
> 
> Regards!
> 
> wade
> 
> 2010-11-19

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