Configurazione GW1

version 11.0 
!
hostname gw1.my-domain.it
!
[.....]
!
no ip  source-route
!
interface _Loopback1
no ip address
!
Interface Ethernet0
description "Antonio Gulli Net"
ip address 194.23.zzz.1 255.255.255.0
ip broadcast-address 194.23.zzz.255
!
Interface Serial0
description "Access to GW3"
ip address 194.21.mmm.2 255.255.255.252
ip broad-cast address 194.21.mmm.3
bandwith 64
!
interface Serial1
description "Access to GW2" 
ip address 194.21.mmm.9 255.255.255.252
ip broad-cast address 194.21.mmm.11
bandwith 64
!
ip domain-name my-domain.it
ip name-server 194.23..zzz.10
!
ip route 194.24.xxx.0   255.255.255.0   194.21.mmm.10   10
ip route 194.24.xxx.0   255.255.255.0    194.21.mmm.1    20
ip route 194.20.ppp.0   255.255.255.0   194.21.mmm.1       10
ip route 194.20.ppp.0   255.255.255.0    194.21.mmm.10    20
ip route 0.0.0.0   0.0.0.0 194.21.mmm.2



Configurazione GW2

version 11.0 
!
hostname gw2.another-domain.it
!
[.....]
!
no ip  source-route
!
interface _Loopback1
no ip address
!
Interface Ethernet0
description "Radio Net"
ip address 194.24.xxx.1 255.255.255.0
ip broadcast-address 194.24.xxx.255
!
Interface Serial0
description "Access to GW1"
ip address 194.21.mmm.10  255.255.255.252
ip broad-cast address 194.21.mmm.11
bandwith 64
! 
Interface Serial1
description "Access to GW3"
ip address 194.21.mmm..5  255.255.255.252
ip broad-cast address 194.21.mmm.7
bandwith 64
!
ip domain-name another-domain.it
ip name-server 194.24..xxx.10
!
ip route 194.23.zzz.0   255.255.255.0   194.21.mmm.9   10
ip route 194.23.zzz.0   255.255.255.0    194.21.mmm.5   20
ip route 194.20.ppp.0   255.255.255.0   194.21.mmm.5       10
ip route 194.20.ppp.0   255.255.255.0    194.21.mmm.9    20
ip route 0.0.0.0   0.0.0.0 194.21.mmm.5



Configurazione GW3

version 11.0 
!
hostname gw3.yet-another-domain.it
!
[.....]
!
no ip  source-route
!
interface _Loopback1
no ip address
!
Interface Ethernet0
description "Crazy Net"
ip address 194.20.ppp.0 255.255.255.0
ip broadcast-address 194.20.ppp.255
!
Interface Serial0
description "Access to GW1"
ip address 194.21.mmm.2  255.255.255.252
ip broad-cast address 194.21.mmm.3
bandwith 64
! 
Interface Serial1
description "Access to GW2"
ip address 194.21.mmm..6  255.255.255.252
ip broad-cast address 194.21.mmm.7
bandwith 64
!
interface Serial2
description "Global Access to Internet"
ip address 194.21.mmm.13 255.255.255.252
ip broadcast-address 194.21.mmm.15
bandwith 128
!
ip domain-name yet-another-domain.it
ip name-server 194.20.ppp.10
!
ip route 194.23.zzz.0   255.255.255.0   194.21.mmm.2   10
ip route 194.23.zzz.0   255.255.255.0    194.21.mmm.6   20
ip route 194.24.xxx.0   255.255.255.0   194.21.mmm.6       10
ip route 194.24.xxx.0   255.255.255.0    194.21.mmm.2    20
ip route 0.0.0.0   0.0.0.0 194.21.mmm.14