Currently configured to allow access to and from our site and the internet. Status of the router and the JANET network as a whole can be viewed at http://portsmouth.netsight.ja.net/

Router Interfaces

Serial 0/0
ip address: 195.194.76.122

subnet mask: 255.255.255.252

Encapsulation: HDLC

FastEthernet 0/0
ip address: 212.219.118.81

subnet mask: 255.255.255.240

General
Default IP Route: 195.194.76.121

Config backup

Save copy and paste this in to a text file and save it as internet-gateway.config.

!
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname internetgw
!
enable secret 5 $1$****$****************
!
ip subnet-zero
no ip source-route
!
!
ip domain-name varndean.ac.uk
ip name-server 194.242.128.1
ip name-server 194.242.128.2
ip name-server 194.242.144.1
!
isdn switch-type basic-net3
isdn voice-call-failure 0
!
!
!
interface FastEthernet0/0
 description Varndean
 ip address 212.219.118.81 255.255.255.240
 no ip route-cache
 no ip mroute-cache
 duplex auto
 speed auto
!
interface Serial0/0
 description janet
 ip address 195.194.76.122 255.255.255.252
 ip access-group 111 in
 ip access-group 112 out
 no ip route-cache
 no ip mroute-cache
!
interface BRI0/0
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
 isdn switch-type basic-net3
!
interface FastEthernet0/1
 no ip address
 no ip route-cache
 no ip mroute-cache
 shutdown
 duplex auto
 speed auto
!
ip classless
ip route 0.0.0.0 0.0.0.0 195.194.76.121
no ip http server
ip pim bidir-enable
!
!
access-list 1 deny   any
access-list 111 deny   ip 212.219.118.80 0.0.0.15 any
access-list 111 deny   ip 10.0.0.0 0.255.255.255 any
access-list 111 deny   ip 127.0.0.0 0.255.255.255 any
access-list 111 deny   ip 172.16.0.0 0.0.255.255 any
access-list 111 deny   ip 192.168.0.0 0.0.255.255 any
access-list 111 permit icmp any host 195.194.76.122 echo
access-list 111 deny   ip any host 195.194.76.122
access-list 111 permit icmp any host 212.219.118.81 echo
access-list 111 deny   ip any host 212.219.118.81
access-list 111 permit ip any host 212.219.118.82
access-list 111 permit ip any host 212.219.118.83
access-list 111 permit ip any host 212.219.118.84
access-list 111 permit ip any host 212.219.118.85
access-list 111 permit ip any host 212.219.118.86
access-list 111 permit ip any host 212.219.118.87
access-list 111 permit ip any host 212.219.118.88
access-list 111 permit ip any host 212.219.118.89
access-list 111 permit ip any host 212.219.118.90
access-list 111 permit ip any host 212.219.118.91
access-list 111 permit ip any host 212.219.118.92
access-list 111 permit ip any host 212.219.118.93
access-list 111 permit ip any host 212.219.118.94
access-list 111 deny   ip any any
access-list 112 permit ip 212.219.118.80 0.0.0.15 any
access-list 112 permit ip 195.194.76.122 0.0.0.0 any
access-list 112 deny   ip any any
snmp-server community ************ RO
snmp-server community ************ RW
!
line con 0
line aux 0
line vty 0 4
 access-class 1 in
 password 7 **************************
 no login
!
!
end