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msdhcp [2010/03/15 16:34]
sha0 gPXE Encapsulated Options Description
msdhcp [2010/03/15 16:41] (current)
sha0 Correct image file locations
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 Firstly, you need to create the encapsulated options. ​ Right-click on the server, then choose "Set Predefined Options..."​ Firstly, you need to create the encapsulated options. ​ Right-click on the server, then choose "Set Predefined Options..."​
  
-{{:​win_dhcp_encap1.jpg}}+{{msdhcp:​win_dhcp_encap1.jpg}}
  
 Click the "​Add..."​ button. Click the "​Add..."​ button.
  
-{{:​win_dhcp_encap2.jpg}}+{{msdhcp:​win_dhcp_encap2.jpg}}
  
 Use the following options then click the "​OK"​ button: Use the following options then click the "​OK"​ button:
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   Description:​ gPXE_Options   Description:​ gPXE_Options
  
-{{:​win_dhcp_encap3.jpg}}+{{msdhcp:​win_dhcp_encap3.jpg}}
  
 Click the "Edit Array..."​ button: Click the "Edit Array..."​ button:
  
-{{:​win_dhcp_encap4.jpg}}+{{msdhcp:​win_dhcp_encap4.jpg}}
  
 This is where you can manually enter some defaults. ​ We'll use iSCSI username and password as an example. ​ We see from gpxe/​src/​include/​gpxe/​dhcp.h that the username option is 0xBE and the password option is 0xBF.  So add these along with an end-of-option code and click the "​OK"​ button: This is where you can manually enter some defaults. ​ We'll use iSCSI username and password as an example. ​ We see from gpxe/​src/​include/​gpxe/​dhcp.h that the username option is 0xBE and the password option is 0xBF.  So add these along with an end-of-option code and click the "​OK"​ button:
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   0xBE 0xBF 0xFF   0xBE 0xBF 0xFF
  
-{{:​win_dhcp_encap5.jpg}}+{{msdhcp:​win_dhcp_encap5.jpg}}
  
 Back in the "​Predefined Options and Values"​ window, click the "​OK"​ button: Back in the "​Predefined Options and Values"​ window, click the "​OK"​ button:
  
-{{:​win_dhcp_encap6.jpg}}+{{msdhcp:​win_dhcp_encap6.jpg}}
  
 Now choose a client who you'd like to configure specific options for in the "​Reservations"​ area.  Right-click and choose "​Configure Options...":​ Now choose a client who you'd like to configure specific options for in the "​Reservations"​ area.  Right-click and choose "​Configure Options...":​
  
-{{:​win_dhcp_encap7.jpg}}+{{msdhcp:​win_dhcp_encap7.jpg}}
  
 Find the gPXE_Options with code 175 that you defined: Find the gPXE_Options with code 175 that you defined:
  
-{{:​win_dhcp_encap8.jpg}}+{{msdhcp:​win_dhcp_encap8.jpg}}
  
 Now you can manually add in a username and a password, following the respective options numbers: Now you can manually add in a username and a password, following the respective options numbers:
  
-{{:​win_dhcp_encap9.jpg}}+{{msdhcp:​win_dhcp_encap9.jpg}}
  
 Now you must insert the length for the username, and the length for the password. ​ In our example, "u s e r n a m e" and "p a s s w o r d" are both 8 characters long, so we use the hexadecimal value for 8.  The length field goes right after the option field. ​ Once entered, you may click the "​OK"​ button: Now you must insert the length for the username, and the length for the password. ​ In our example, "u s e r n a m e" and "p a s s w o r d" are both 8 characters long, so we use the hexadecimal value for 8.  The length field goes right after the option field. ​ Once entered, you may click the "​OK"​ button:
  
-{{:​win_dhcp_encap10.jpg}}+{{msdhcp:​win_dhcp_encap10.jpg}}

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