IBM TotalStorage DS300 Best Practices Manual page 364

Figure 7-191 SANsurfer — Authentication configuration
31.Check the Bidi box for target 192.168.1.7. This enables the authentication of
the storage subsystem against the initiator. Then click the green plus button in
the targets table to add an empty line in this table.
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IBM TotalStorage DS300 and DS400 Best Practices Guide