8. Enter the iSCSI connection details, as shown in Figure 5-70. 9. Complete the following fields as described: Figure 5-70 Adding an external iSCSI controller: Connection details a. CHAP secret: If the Challenge Handshake Authentication Protocol (CHAP) is used to  secure iSCSI connections on the system, enter the current CHAP secret. This field is  not required if you do not use CHAP. b. Source port 1 connections: GLYPH<129> Select source port 1: Select one of the ports to be used as initiator for the iSCSI  connection between the node and the external storage system. GLYPH<129> Target port on remote storage 1: Enter the IP address for one of the ports on the  external storage system targeted by this source port. GLYPH<129> Target port on remote storage 2: Enter the IP address for the other port on the  external storage system targeted by this source port. c. Source port 2 connections: GLYPH<129> Select source port 2: Select the other port to be used as initiator for the iSCSI  connection between the node and the external storage system. GLYPH<129> Target port on remote storage 1: Enter the IP address for one of the ports on the  external storage system targeted by this source port. GLYPH<129> Target port on remote storage 2: Enter the IP address for the other port on the  external storage system targeted by this source port. Chapter 5. Scalability  163