global {
       project fw101
       
       # you need to change these: 
       $my_dns = 128.39.89.10  
       $group1_addr = 128.39.73.140
       $group2_addr = 128.39.73.150
       $root_passwd1 = "/d23ZbIBSuPYc"
       $root_passwd2 = "qFxR2/RL3NOyo"       
}

# This switch will be connected through the 
# bridge interface. 

switch external {
        tap tap0
	group fw101
}

# This superclass defines most aspects 
# of a gateway:

superclass gateway {
	   term screen
	   size 1500M
	   template sarge-thick.ext2
	   nameserver $my_dns
	   
	   # external interface: 
	   # everything but the address
	   network eth0 {
	   	   switch external
	    	   netmask 255.255.255.0
		   broadcast 128.39.89.255
		   gateway 128.39.73.1
	   }

	   # internal interface:
	   # everything but the switch
	   network eth1 {
	   	   address 10.0.0.1
		   netmask 255.255.255.0
		   broadcast 10.0.0.255
	   }
      # Would you like to load all modules
      # for the students, or just some?
           modules {
                   iptable_nat
		   iptable_filter
                   ip_conntrack
                   ip_tables
                   ipt_MASQUERADE
           }

}	   


# Definitions for the dummy host
superclass dummy_host {
	   nameserver $my_dns
	   template Debian-3.0r0.ext2
	   term screen
	   size 500MB

	   network eth0 {
	   	   netmask 255.255.255.0
		   gateway 10.0.0.1
		   broadcast 10.0.0.255
	   }
}

############################################

# This is where I define the actual hosts and switches.
# Every host and switch name will end with their group number

# Group 1

host gw1 {
     sudo group1
     superclass gateway
     root_password $root_passwd1
     
     network eth0 {
     	     address $group1_addr
     }
     
     network eth1 {
     	     switch switch1
     }
     
     mount {
     	   /fw101/gw1 /fw101 hostfs rw
     }
}
     	     
switch switch1 {
       sudo group1
}

# first dummy
host dummy1-1 {
     sudo group1
     superclass dummy_host
     
     network eth0 {
     	     switch switch1
     	     address 10.0.0.2
     }
}

host dummy2-1 {
     sudo group1
     superclass dummy_host
     
     network eth0 {
     	     switch switch1
     	     address 10.0.0.3
     }
}

# Group 2

host gw2 {
     superclass gateway
     sudo group2
     root_password $root_passwd2
     
     network eth0 {
     	     address $group2_addr
     }
     
     network eth1 {
     	     switch switch2
     }
     
     mount {
     	   /fw101/gw2 /fw101 hostfs rw
     }
}
     	     
switch switch2 {
       sudo group2
}

# first dummy
host dummy1-2 {
     
     superclass dummy_host
     sudo group2
     network eth0 {
     	     switch switch2
     	     address 10.0.0.2
     }
}

host dummy2-2 {
     
     superclass dummy_host
     sudo group2
     network eth0 {
     	     switch switch2
     	     address 10.0.0.3
     }
}