Introduction
I can say, Simple Network Management Protocol is a standard widely used in monitoring. From router, switch, firewall, printer, server, ups, cellular nodes and many other devices. There has been 3 versions of SNMP. SNMPv1, SNMPv2c, SNMPv3. With SNMPv3 as the securest implementation.
Most network monitoring software will use SNMP to collect device information. From CPU, [...]
Introduction
Another great product from open source community. If you have read Dynagen and Dynamips then this will enhance your experience in cisco simulation. GNS3 offers complex graphical network simulator and launch simulation on them.
Features currently supported by GNS 3 are:
Designing high quality complex network topologies.
Emulating Cisco routers and PIX firewalls.
Simulating simple Ethernet, ATM and Frame [...]
Introduction
Network Discovery. That is the main purpose of NeDi described by its author Remo Rickli, in 2001. It will try to discover not only networks devices but including any host connected to the network. It will keep the inventory and track any change. If a device becomes unreachable it will sent email notification.
And now after [...]
