scp slow with windows and solaris
2007-12-25 2:06:00
I am having some difficulty finding answers to this one, yet it appears
that others have had the same problem, so I'll ask here. When I start an
scp transfer of a large file from a Windows host (either via PuTTy's pscp
or any other Win32 scp client) to a Solaris host, I get approximately
70-80KB/s on a LAN. I have verified that this problem exists on both
Solaris 8 with OpenSSH as well as Solaris 9 with Solaris SSH.
When the same transfer is done with ftp or rcp, the transfer is much more
reasonable, around 5-6MB/s. Going from version 2 mode with scp to version
1 alleviates the problem somewhat.
A transfer between two Solaris hosts is much faster, about 5MB/s, even in
scp version 2 mode. This appears to be a Windows -> Solaris problem only.
Any ideas are greatly appreciated and I will summarize.
TIA
-Alex
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