Monitoring router with check_snmp

[John Joseph]

OID 
   is Object Identifier 
   All devices  are denoted by OID  by SNMP 
   for eg OID
.1.3.6.1.2.1.2
    represents   
           1 =>  ISO 
           3 => org
           6 => dod 
           1 => internet 
           2 => mgmt 
           1 => mib-2
           2 = > interfaces

 another eg 
   in text representation , we can represent   the 
operational status of an interface as 
      
iso_org_dod_internet_mgmt_mib-2_interfaces_iftable_ifEntry_ifOperStatus
                    is 
          1.3.6.1.2.1.2.2.1.8
         
  U can walk through  OID using the command
     snmpwalk 192.168.1.32 -c  public

Please note , to use the SNMP plugins at 
  http://www.manubulon.com/nagios/
           no need to know about OID , if u follow the
 eg, u can do it         
       Thanks                                         
   
                   Joseph John 



--- Pradeep C Raghavan <netcatinn at gmail.com> wrote:

> Hi all,
> This is a newbee question ,so please bear with me .
> I would like to monitor my router to find out
> whether it is up or
> not.Cananyone help me with an example of the
> command.Browsing through the list I found that
> something has to be done with
> the OID's.What is this OID all about?I use webmin to
> congfiure Nagios and
> the SNMP MIB walk prints out a lot info which I cant
> just digest.Please help
> me on this.
> 
> ../cheers,
> 



		
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