D-Link DSN-540 Software User's Guide for DSN-1100-10 - Page 78

Enabling or Disabling CHAP Security for Initiators Security Tab, 4.6.1, Enabling CHAP Security

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Values (cannot be modified) Immediate Data Data PDU In Order Data Sequence In Order Description Indicates whether the initiator and target have agreed to allow the transmission of immediate data in the session. (Immediate data is data that the initiator piggybacks onto an iSCSI command PDU.) This item is always disabled. Indicates whether the data PDUs within a sequence of data PDUs must be located at continuously increasing addresses, with no gaps or overlay between PDU's. This item is always enabled. Indicates whether sequences of data PDUs must be transmitted by using continuously increasing offsets, except during error recovery. This item is always enabled. This value indicates the ordering of the sequences themselves, not the ordering of the data PDUs within each sequence. The Data PDU In Order setting indicates the ordering of the data PDUs within each sequence. 4.4.6 Enabling or Disabling CHAP Security for Initiators (Security Tab) You can enable or disable CHAP for a specific iSCSI initiator, or change the change the CHAP secret using the Security tab that appears when the Volume View is sorted by Initiator name. 4.4.6.1 Enabling CHAP Security To enable CHAP security: 1. In the Volume View sorted by Initiator, click on a specific iSCSI initiator (other than "All Initiators") in the Main Display. The Security Tab in Figure 4-36 appears. Figure 4-36. Security Tab for an Initiator 68 Chapter 4 Managing Volumes

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68
Chapter 4 Managing Volumes
Values (cannot be modified)
Description
Immediate Data
Indicates whether the initiator and target have agreed to allow the transmission of
immediate data in the session. (Immediate data is data that the initiator
piggybacks onto an iSCSI command PDU.)
This item is always disabled.
Data PDU In Order
Indicates whether the data PDUs within a sequence of data PDUs must be
located at continuously increasing addresses, with no gaps or overlay between
PDU’s. This item is always enabled.
Data Sequence In Order
Indicates whether sequences of data PDUs must be transmitted by using
continuously increasing offsets, except during error recovery. This item is always
enabled.
This value indicates the ordering of the sequences themselves, not the
ordering of the data PDUs within each sequence. The Data PDU In Order setting
indicates the ordering of the data PDUs within each sequence.
4.4.6
Enabling or Disabling CHAP Security for Initiators (Security Tab)
You can enable or disable CHAP for a specific iSCSI initiator, or change the change the CHAP
secret using the Security tab that appears when the Volume View is sorted by Initiator name.
4.4.6.1
Enabling CHAP Security
To enable CHAP security:
1.
In the Volume View sorted by Initiator, click on a specific iSCSI initiator (other than “
All
Initiators
”) in the Main Display.
The Security Tab in Figure 4-36 appears.
Figure 4-36. Security Tab for an Initiator