SCP runs slowly compared to another identical server

Solution Verified - Updated -

Issue

  • When running scp transfer tests, three servers are showing slower performance than one particular server.
    All servers are identical in:

    • hardware
    • bios
    • kernel
    • drivers

The first example: is showing on 9.3Mb/s when transferring from one server to another.

root@serverA:/ $ scp -pr filaneme1 root@serverB:/var/tmp
filename-1         100%  139MB   9.3MB/s   00:15

Environment

  • Red Hat Enterprise Linux 6

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