What Do You Use for SNMP Monitoring?
linuxi386 wonders: "My company is in the process of implementing a global frame relay system. The network will cover 20+ states, and several European and Asian countries and Australia. It will have a 5 point full mesh fail-over with each coast/country having about 20 ppp links about 30 servers mixed between linux and windows plus a 2003 domain controller at each site. I have been looking for a really decent cheap web based monitoring application to maintain the entire system. So far I have looked at Solarwind's Orion and Adventnet's Opmanager. I like the look of Orion, but while I prefer the feature base of Opmanager, I cannot stand its pricing model or the XP playskool style theme it uses. I am trying to avoid writing my own system to manage this if at all possible. What would you folks recommend and why?"
I am a NMS almost full time for a medium scale telco/isp. IMHO cacti, nagios, JFFNMS, and other 'free' network managment solutions don't do the job. They are too flaky, unstable, and unsuported for large scale industy usage. your best bet, would be somthing along the lines of a Whats Up Professional, or somthing simliar. The reason being that you get support, and you have somone to call when you have issues. If you'd like to sort thought the open source BS of most of the free NMS's then go for it, but don't expect it to work in a pinch. For example one of the issues with nagios, is that it uses an enjection queue, and once you get 1,000's of devices in there you can potentially have hours of delay for a notice just because it takes so long to process the queue. Furthermore you have to mess around with text files and the like, and one wrong fuck up and your hosed, your NMS is down till you can find the single typo in a 4,000 line file. There are other supported comercial (yea thats a scary slash dot work) but still. Going retail is your best bet. Just be prepaired to buy a uber beefy box and spend quite a bit of money, and have a steep learning curve. Or just hire an intern