Hoe configureer ik een Cisco 826 827 836 837 876 877 met NAT
Uit EDPnet Wiki
Hieronder vindt u een voorbeeldconfiguratie voor een Cisco 800-router met adsl-modem. U dient de gedeelten tussen [vierkante haakjes] te vervangen of aan te passen aan uw abonnement.
! no service pad service timestamps debug datetime show-timezone localtime service timestamps log datetime show-timezone localtime service password-encryption ! logging buffered 8192 debugging ! clock timezone met 1 clock summer-time MET recurring last Sun Mar 2:00 last Sun Oct 3:00 ! sntp server nl.pool.ntp.org ! ! hostname [hostname] ! ! enable secret [password] ! username admin password [password] ip subnet-zero no ip source-route no ip finger ! ip name-server 212.71.8.10 ip name-server 212.71.0.33 ! ! ip dhcp pool local-pool network [network ip] [network subnet] default-router [network gateway] dns-server 212.71.8.10 212.71.0.33 ! ! interface Ethernet0 description --- 10Mbps connection to LAN --- ip address [router LAN IP address] [LAN IP subnetmask] ip nat inside no shutdown ! interface ATM0 description --- ADSL connection to Internet --- no ip address no ip directed-broadcast load-interval 30 no atm ilmi-keepalive pvc 0/35 encapsulation aal5mux ppp dialer dialer pool-member 1 dsl operating-mode auto no shutdown ! interface Dialer0 description --- fixed WAN IP address --- ip address negotiated ip access-group 150 in ip nat outside encapsulation ppp dialer pool 1 dialer-group 1 ppp authentication chap callin ppp chap hostname [username]@edpnet.nl ppp chap password [*****] ! ! ip classless ip default-network 0.0.0.0 ip route 0.0.0.0 0.0.0.0 Dialer0 ip route 10.0.0.0 255.0.0.0 Null0 ip route 127.0.0.0 255.0.0.0 Null0 ip route 172.16.0.0 255.240.0.0 Null0 ip route 192.168.0.0 255.255.0.0 Null0 ! ! ip nat inside source list 1 interface Dialer0 overload ip nat inside source static tcp [internal IP address smtp-server] 25 [external IP address smtp-server] 25 extendable ip nat inside source static tcp [internal IP address pop3-server] 110 [external IP address pop3-server] 110 extendable ! dialer-list 1 protocol ip permit ! access-list 1 permit [router LAN Network address] [LAN IP subnetmask] ! access-list 150 deny ip 10.0.0.0 0.255.255.255 any access-list 150 deny ip 127.0.0.0 0.255.255.255 any access-list 150 deny ip 172.16.0.0 0.15.255.255 any access-list 150 deny ip 192.168.0.0 0.0.255.255 any access-list 150 permit ip any any ! ! ! line con 0 exec-timeout 120 0 login local transport preferred none transport input none stopbits 1 line vty 0 4 exec-timeout 0 0 login local length 23 transport preferred none ! end --- END config ---
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