What I'm trying to do will work from unix machines with the SSH2 protocol, using the stock ssh command: 
$ ssh -2  -t machineB "ssh -2 -t userC@machineC uname -a"
usrB@machineB's password: 
Password: 
Mon Dec 22 16:34:45 CST 2008
Connection to machineC closed.
Connection to machineB closed.

[download]
Taking the -t off of machineB's ssh will cause the error to occur.

I would think that we should be able to make Net::SSH::Perl do the same thing, shouldn't we?

-Craig

In reply to Re^2: Net::SSH::Perl pty problem with SSH2? by cmv
in thread Net::SSH::Perl pty problem with SSH2? SOLVED by cmv

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