User guide

Virtual Connect server profiles 190
DHCP option 43
The format of DHCP option 43 is as follows:
‘iscsi:’<TargetIP>’:’<TargetTCPPort>’:’<LUN>’:’<TargetName>’:’<InitiatorName
>’:’<HeaderDigest>’:’<DataDigest>’:’<AuthenticationType>
• Strings shown in quotes are part of the syntax and are mandatory.
• Fields enclosed in angular brackets (including the angular brackets) should be replaced with their
corresponding values. Some of these fields are optional and can be skipped.
• When specified, the value of each parameter should be enclosed in double quotes.
• All options are case insensitive.
Parameters
• <TargetIP>—Replace this parameter with a valid IPv4 address in dotted decimal notation. This is a
mandatory field.
• <TargetTCPPort>—Replace this parameter with a decimal number ranging from 1 to 65535
(inclusive). This is an optional field. The default TCP port 3260 is assumed, if not specified.
• <LUN>—This parameter is a hexadecimal representation of the Logical Unit Number of the boot device.
This is an optional field. If not provided, LUN 0 is assumed to be the boot LUN. It is an eight-byte
number, which should be specified as a hexadecimal number consisting of 16 digits, with an
appropriate number of 0s padded to the left, if required.
• <TargetName>—Replace this parameter with a valid iSCSI target ‘iqn’ name of up to 223 characters.
This is a mandatory field.
• <InitiatorName>—Replace this parameter with a valid iSCSI ‘iqn’ name of up to 223 characters.
This is an optional field. If not provided, the default Initiator name is used.
• <HeaderDigest>—This is an optional field. Replace this parameter with either "E" or "D".
o "E" denotes that the header digest is enabled.
o "D" denotes that the header digest is disabled.
If not provided, Header Digest is disabled by default.
• <DataDigest>—This is an optional field. Replace this parameter with either "E" or "D".
o “E” denotes that the data digest is enabled.
o “D” denotes that the data digest is disabled.
If not provided, Data Digest is disabled by default.
• <AuthenticationType>—This is an optional field. If applicable, replace this parameter with “D”,
“E”, or “M”.
o “D” denotes that authentication is disabled.
o “E” denotes that one-way CHAP is enabled. The user name and secret used for one-way CHAP
must be specified by non-DHCP means.
o “M” denotes that Mutual CHAP is enabled. The user name and passwords required for Mutual
CHAP authentication must be specified by non-DHCP means.
• If not specified, this field defaults to authentication-disabled.
Examples
• Default Initiator name and Data Digest settings: