I simply cannot stress how valuable it is, when a user complains about the network speed, to be able to glance over what the border router says is the utilization and quickly resolve the issue.
I’ve started using this nifty way of viewing the router’s info, way back in the first days of my DD-WRT studies. Nowadays, if i don’t have it? I just feel blind. Once connected to the device, you need to “pull” it for information using OIDs. Different OIDs give different pieces of information, and while in this guide we will be focusing on network traffic, you are encouraged to explore this world further. We will explain how to get the “mysterious” OIDs below. Some examples on how to do this follow below. As the administrator, it is your job to set this string. The read in/out from SNMP is done using a “ Community” string. One can also use SNMP to set configurations on devices that support it, but that is beyond the scope of this guide. The Simple Network Management protocol (SNMP) was created to give a common protocol foundation that network administrators can expect their device’s manufacturers will use to expose different aspects of the product. Information such as CPU load, routing tables, and network traffic statistics, among many others, can all be accessed remotely with SNMP.
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