On Tue, May 1, 2012 at 2:31 PM, Vytautas V Grigaliunas <vyto at fnal.gov> wrote: > What are people using for IPv6 monitoring - in particular, for monitoring services such as DNS, Web, E-mail, etc. ? > > Nagios seems the people's choice. Any others...open source or commercial ? We use a combination of Nagios and Observium -- Chris Stone AxisInternet, Inc. www.axint.net