3Com 4500G Family Configuration Manual page 686

1) Configure the SSH client
# Generate an RSA key pair.
Run PuTTYGen.exe, select SSH-2 RSA and click Generate.
Figure 1-4 Generate a key pair on the client 1)
While generating the key pair, you must move the mouse continuously and keep the mouse off the
green process bar shown in Figure 1-5. Otherwise, the process bar stops moving and the key pair
generating process will be stopped.
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