Hi All I have installed nagios 3.0 , Now I want nagios to monitor switch rather than monitoring local host.To add the switch I have made changes in switch.cfg file but I am unable to find OID for my switch cisco 3550. I used the command snmpwalk .......... but I started getting a long list of ids , so which ID to chosse from that list. <img src=cid:_1_070664340706620C00401D176525741E> The information contained in this e-mail message is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you should return it to the sender immediately. Please note that while we scan all e-mails for viruses we cannot guarantee that any e-mail is virus-free and accept no liability for any damage caused by any virus transmitted by this email.