1 boot.next-server  = boot.test

     2 

     3 [foo]

     4     ethernet        = 00:11:22:33:44:55

     5     boot            = boot2.test:/debian/wheezy/pxelinux.0

     6 

     7 [bar]

     8     ethernet        = 00:11:22:33:44:55

     9     boot.filename   = /debian/jessie/pxelinux.0