Nc: mengukur bandwidth

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Topologi:

  • Sebuah Server (misalnya 192.168.0.1)
  • Sebuah Client (misalnya 192.168.0.x/24)
  • tersambung melalui jaringan
  • port 12345


Di Sisi Server

Di mesin server (192.168.0.1)

nc -vvlnp 12345 >/dev/null

Di Sisi Client

Di sisi client kirim gigabyte zero melalui dd lewat nc tunnel

dd if=/dev/zero bs=1M count=1K | nc -vvn 192.168.0.1 12345

Waktu demo akan keluar kira-kira

Connection to 192.168.0.1 12345 port [tcp/*] succeeded!
1024+0 records in
1024+0 records out
1073741824 bytes (1,1 GB) copied, 41,3228 s, 26,0 MB/s

Perhatikan bahwa hasilnya dalam megabyte per detik. Bandwidth sebenarnya dikali 8,

8 x 26.0 MB/s = 208 Mbps

Referensi


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