Dell Emulex Family of Adapters - Manual (Page 1720)

Boot Version 10.2 for NIC, iSCSI, FCoE, and RoCE Protocols User Manual P010097-01B Rev. A
Appendix A. Configuring iSCSI through a DHCP Server using Vendor-Specific Option 43
Format of Vendor-Specific Option 43
1720
Replace this parameter with a decimal number indicating the TCP port. The default
TCP port is 3260.
Replace this parameter with a decimal number ranging from 1 to 65535 (inclusive).
It is an optional field.
This parameter is a hexadecimal representation of logical unit number of the boot
device. It is an optional field. If not provided, LUN 0 is assumed to be the boot
LUN. It is an 8-byte number which must be specified as a hexadecimal number
consisting of 16 digits, with an appropriate number of 0’s padded to the left, if
required.
Replace this parameter with a valid iSCSI target ‘iqn’ name of up to 223 characters.
This is a mandatory field.
Example
iscsi:010.010.010.001:0:3260:0:iqn.1992-08.com.netap:sn.151729740
The above example specifies the following:

Target IP address: 010.010.010.001

Target protocol: 0

Target TCP port: 3260

Target boot LUN: 0

Target iqn name: iqn.1992-08.com.netap:sn.151729740