[Netcat network test] Netcat commands to test bandwidth between 2 linux servers #netcat #perf-test #linux #network

netcat.sh

## Netcat server command 
nc -l <unused port # > /dev/null
eg:
  nc -l 1122 > /dev/null

## Netcat Client command 
dd if=/dev/zero bs=9100004096 count=1 | nc <netcat server> <netcat port>
eg:
  dd if=/dev/zero bs=9100004096 count=1 | nc 10.0.1.251 1122

## You should the following output as an examples
2147479552 bytes (2.1 GB) copied, 4.23416 s, 507 MB/s

Nice example with dd and netcat!

Thanks!

it not work even though nc works why

Instead of the manual bs=9100004096 you can just write bs=1GB or something.