Nagios Support Forum

The ethernet interfaces of Dell servers with either Windows 2008 (teamed/vlan'ed using nic mfg software) or CentOS 5/6 (bonded interfaces eth0 and 1) as the OS. PS: about a thousand servers, so doing this in mass is a must

How does one go about monitoring NICs (utilization/bandwidth/errors) on hosts (both windows (N++ agent) and linux (SNMP))?? Also, I need to be able to add this to already created hosts...