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"<daaf...@gmail.com>;
发送时间: 2010年11月20日(星期六) 凌晨0:43
收件人: "徐滕"<xut...@huaihuacity.com>;
抄送: "net-snmp-users"<net-snmp-users@lists.sourceforge.net>;
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" <xut...@huaihuacity.com> 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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