O'Reilly logo

HP Network Node Manager 9: Getting Started by Marius Vilemaitis

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

How discovery works

NNMi uses a list of protocols and techniques to discover the network. It discovers nodes and their configuration, including interfaces and connection information (including Layer 2 and Layer 3 information). This spiral discovery accurately checks for new devices in a network, their configuration, and configuration changes. It also gathers object status information and tracks their changes. It also places them on an NNMi map, which is stored in an NNMi database.

Layer 2 (the Data Link Layer) is the protocol layer, which transfers data between adjacent network nodes in a wide area network (http://en.wikipedia.org/wiki/Wide_area_network) or between nodes on the same local area network (http://en.wikipedia.org/wiki/Local_area_network ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required