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appnote:userclass [2011/01/27 21:03]
mcb30 created
appnote:userclass [2011/03/24 11:32] (current)
mcb30
Line 5: Line 5:
 One important practical application of the DHCP User Class is to break the infinite loop when using [[:​howto:​chainloading|PXE chainloading]]. ​ In this use case, the DHCP server is set to hand out the iPXE binary [[http://​boot.ipxe.org/​undionly.kpxe|undionly.kpxe]] as the default boot filename for legacy PXE clients, with the "​real"​ boot parameters being handed out only for requests from iPXE clients. One important practical application of the DHCP User Class is to break the infinite loop when using [[:​howto:​chainloading|PXE chainloading]]. ​ In this use case, the DHCP server is set to hand out the iPXE binary [[http://​boot.ipxe.org/​undionly.kpxe|undionly.kpxe]] as the default boot filename for legacy PXE clients, with the "​real"​ boot parameters being handed out only for requests from iPXE clients.
  
-For more complex configurations,​ you may wish to customise the DHCP User Class sent by iPXE.  You can do this by changing the ''​user-class''​ setting. ​ For example, an embedded script might contain:+For more complex configurations,​ you may wish to customise the DHCP User Class sent by iPXE.  You can do this by changing the ''​[[:cfg:user-class]]''​ setting. ​ For example, an embedded ​[[:​scripting|script]] might contain:
  
     #!ipxe     #!ipxe
appnote/userclass.txt ยท Last modified: 2011/03/24 11:32 by mcb30
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