In ”An introduction to SNMP” I have explained how SNMP protocol works and how use it; but what are the softwares that use SNMP to monitor network bandwith? HP Openview, Ciscoworks, MRTG are some examples.
In this article I will explain how monitor Cisco Switches/Routers bandwith under a Linux machine using a free open source tool: MRTG.
The Multi Router Traffic [...]

In a network environment, it is a good practice monitor Cisco devices.
One of the most famous protocol to control and manage Cisco devices is SNMP (Simple Network Management Protocol).
SNMP exposes management data in the form of variables on the managed systems, which describe the system configuration. These variables can then be queried (and sometimes set) [...]