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About nsdp-telegraf-plugin

This Telegraf input plugin gathers statistics from NSDP (Netgear Switch Discovery Protocol) capable devices.

Installation

To install the plugin you have to download a suitable release archive and extract it or build it from source by cloning the repository and issueing a simple

make

To build the plugin, Go version 1.18 or higher is required. The resulting plugin binary will be written to ./build/bin. Copy the either extracted or built plugin binary to a location of your choice (e.g. /usr/local/bin/telegraf/).

Configuration

This is an external plugin which has to be integrated via Telegraf's excecd plugin.

To use it you have to create a plugin specific config file (e.g. /etc/telegraf/nsdp.conf) with following template content:

[[inputs.nsdp]]
  ## The target address to use for NSDP processing
  # target = "255.255.255.255:63322"
  ## The device limit to use (0 means no limit)
  # device_limit = 0
  ## The receive timeout to use (in seconds)
  # timeout = 2
  ## Enable debug output
  # debug = false

While this default config is most likely sufficent to already run the plugin, setting the device_limit to the maximum number of devices you are about to monitor, is advised. Without this setting, the plugin will always wait for timeout seconds until a scan is considred complete.

To enable the plugin within your Telegraf instance, add the following section to your telegraf.conf

[[inputs.execd]]
  command = ["/usr/local/bin/telegraf/nsdp-telegraf-plugin", "-config", "/etc/telegraf/nsdp.conf", "-poll_interval", "10s"]
  signal = "none"

Port Statistic stats

The current port statistic is reported via the nsdp_port_statistic measurement:

nsdp_port_statistic,nsdp_device_ip=10.1.1.2,nsdp_device_model=GS108Ev3,nsdp_device_name=switch1,nsdp_device_port=1,nsdp_device_port_id=switch1:1 packets=0i,broadcasts=0i,multicasts=0i,errors=0i,received=3397944961i,sent=412888900i 1659415843955167000

Every port having a non-zero received or sent value is reported.

Port Statistic

License

This project is subject to the the MIT License. See LICENSE information for details.