ROUTING TABLES ( Version 2 )



destination

netmask

gateway

port

Group 1 , HOST (140.105.45.34 to 140.105.45.36):

localnet
140.105.45.32


255.255.255.224




eth1

...




default
0.0.0.0


0.0.0.0


140.105.45.1


eth1


Group 1 , ROUTER (eth1: 140.105.45.33 ; eth1: 140.105.45.1):

(local subnet)
140.105.45.32


255.255.255.224




eth1

...




(routers subnet)
140.105.45.0


255.255.255.224




eth1

...




(group2 subnet)
140.105.45.64


255.255.255.224


140.105.45.2


eth1

...




(group3 subnet)
140.105.45.96


255.255.255.224


140.105.45.3


eth1

...




(group4 subnet)
140.105.45.128


255.255.255.224


140.105.45.3


eth1

...




default

0.0.0.0

140.105.45.5

eth1


Group 2 , HOST (140.105.45.66 to 140.105.45.68):

localnet
140.105.45.64


255.255.255.224




eth1

...




default
0.0.0.0


0.0.0.0


140.105.45.2


eth1


Group 2 , ROUTER (eth1: 140.105.45.65 ; eth1: 140.105.45.2):

(local subnet)
140.105.45.64


255.255.255.224




eth1

...




(routers subnet)
140.105.45.0


255.255.255.224




eth1

...




(group1 subnet)
140.105.45.32


255.255.255.224


140.105.45.1


eth1

...




(group3 subnet)
140.105.45.96


255.255.255.224


140.105.45.3


eth1

...




(group4 subnet)
140.105.45.128


255.255.255.224


140.105.45.4


eth1

...




...




default

0.0.0.0

140.105.45.5

eth1


Group 3 , HOST (140.105.45.98 to 140.105.45.100):

localnet
140.105.45.96


255.255.255.224




eth1

...




default
0.0.0.0


0.0.0.0


140.105.45.3


eth1


Group 3 , ROUTER (eth1: 140.105.45.97 ; eth1: 140.105.45.3):

(local subnet)
140.105.45.96


255.255.255.224




eth1

...




(routers subnet)
140.105.45.0


255.255.255.224




eth1

...




(group1 subnet)
140.105.45.32


255.255.255.224


140.105.45.1


eth1

...




(group2 subnet)
140.105.45.64


255.255.255.224


140.105.45.2


eth1

...




(group4 subnet)
140.105.45.128


255.255.255.224


140.105.45.4


eth1

...




default

0.0.0.0

140.105.45.5

eth1


Group 4 , HOST (140.105.45.130 to 140.105.45.132):

localnet
140.105.45.128


255.255.255.224




eth1

...




default
0.0.0.0


0.0.0.0


140.105.45.4


eth1


Group 4 , ROUTER (eth0: 140.105.45.129 ; eth1: 140.105.45.4):

(local subnet)
140.105.45.128


255.255.255.224




eth1

...




(routers subnet)
140.105.45.0


255.255.255.224




eth1

...




(group1 subnet)
140.105.45.32


255.255.255.224


140.105.45.1


eth1

...




(group2 subnet)
140.105.45.64


255.255.255.224


140.105.45.2


eth1

...




(group3 subnet)
140.105.45.96


255.255.255.224


140.105.45.3


eth1

...




default

0.0.0.0

140.105.45.5

eth1


ROOM MAIN ROUTER (eth0: 140.105.17.232 ; eth1: 140.105.45.5):

(ICTP network)
140.105.16.0


255.255.252.0




eth1

...




(routers subnet)
140.105.45.0


255.255.255.224




eth1

...




(group 1 subnet)
140.105.45.32


255.255.255.224


140.105.45.1


eth1

...




(group 2 subnet)
140.105.45.64


255.255.255.224


140.105.45.2


eth1

...




(group 3 subnet)
140.105.45.96


255.255.255.224


140.105.45.3


eth1

...




(group 4 subnet)
140.105.45.128


255.255.255.224


140.105.45.4


eth1

...




default

0.0.0.0

140.105.17.1

eth1




  • Those routing tables are a more realistic version than the previous ones.
  • Routing is performed by addressing subnets instead of hosts.
  • Local net routes are common to every host in a given group and to every router.



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abdus salam ICTP