iSCSI Protocol and Broadcom Boot Agent SoftwareNetXtreme User Guide
Broadcom
®
April 2017 • 2CS57XX-CDUM514-R Page 145
Enabling CHAP Authentication
Ensure that CHAP authentication is enabled on the target.
To enable CHAP authentication
1. From the General Parameters screen, set CHAP Authentication to Enabled.
2. From the Initiator Parameters screen, type values for the following:
• CHAP ID (up to 128 bytes)
• CHAP Secret (if authentication is required, and must be 12 characters in length or longer)
3. Select ESC to return to the Main menu.
4. From the Main menu, select 1st Target Parameters.
5. From the 1st Target Parameters screen, type values for the following using the values used when
configuring the iSCSI target:
• CHAP ID (optional if two-way CHAP)
• CHAP Secret (optional if two-way CHAP, and must be 12 characters in length or longer)
6. Select ESC to return to the Main menu.
7. Select ESC and select Exit and Save Configuration.
Configuring the DHCP Server to Support iSCSI Boot
The DHCP server is an optional component and it is only necessary if you will be doing a dynamic iSCSI Boot
configuration setup (see Dynamic iSCSI Boot Configuration).
Configuring the DHCP server to support iSCSI boot is different for IPv4 and IPv6.
• DHCP iSCSI Boot Configurations for IPv4
• DHCP iSCSI Boot Configuration for IPv6
DHCP iSCSI Boot Configurations for IPv4
The DHCP protocol includes a number of options that provide configuration information to the DHCP client. For
iSCSI boot, Broadcom adapters support the following DHCP configurations:
• DHCP Option 17, Root Path
• DHCP Option 43, Vendor-Specific Information
DHCP Option 17, Root Path
Option 17 is used to pass the iSCSI target information to the iSCSI client.
The format of the root path as defined in IETC RFC 4173 is:
"iscsi:"<serv
ername>":"
<protocol>
":"<port>":"<
LUN>":"<ta
rgetname>"
The parameters are defined below.
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