Show network throughput

tcpdump -w - |pv -bert >/dev/null

Real gurus don't need fancy tools like iftop or jnettop.

Sample Output

# tcpdump -w - |pv -bert >/dev/null
tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture size 65535 bytes
 756kB 0:00:12 [67.5kB/s]

By: h3xx

2011-12-14 00:24:02

tcpdump tcpdump pv network performance networking

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What Others Think

There are lots: in instance, iptraf.

jors · 709 weeks and 4 days ago

Heh. Except you need the fancy tool pv(1).

atoponce · 709 weeks and 2 days ago

Except tcpdump defaults to 68 bytes of packet headers: tcpdump: listening on bge0, link-type EN10MB (Ethernet), capture size 68 bytes... You could dump to a file for a minute and do some calculations. Any way to have tcpdump only dump the payload without the headers to calculate actual file transfer rate?

johnebgood · 707 weeks and 2 days ago

-s 0 will output the full packet

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HAMZA · 20 hours ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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