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New Member

Once I have NAT configured what do I do next

I am setting a cisco 2600 to connect onto the internet, but I also want a firewall setup....

New Member

Re: Once I have NAT configured what do I do next

Do you have a specific question in mind?


New Member

Re: Once I have NAT configured what do I do next

this is what I use at home - goes well!!


version 12.2

no parser cache

no service single-slot-reload-enable

service timestamps debug uptime

service timestamps log uptime

service password-encryption


hostname !!your user name!!


logging rate-limit console 10 except errors

enable secret !!your password!!


username !!the other end!! password !!your password!!

ip subnet-zero

ip domain-name !!your Domain!!

ip name-server !!your Name Server!!

ip dhcp excluded-address


ip dhcp pool 1


domain-name !!as above!!


dns-server !!as above!!

lease 0 1


chat-script dialup "" "AT Z" OK "ATDT \T" TIMEOUT 50 CONNECT



interface Ethernet0

ip address

ip nat inside


interface Serial0

physical-layer async

ip address negotiated

ip access-group InFilter in

ip access-group OutFilter out

ip nat outside

encapsulation ppp

ip tcp header-compression passive

no ip mroute-cache

dialer in-band

dialer idle-timeout 2147483

dialer string !!the phone number of your ISP!!

dialer-group 1

async dynamic address

async mode dedicated

no peer default ip address

ppp authentication chap


ip nat inside source list 1 interface Serial0 overload

no ip classless

ip route Serial0

no ip http server



ip access-list extended InFilter

evaluate IntTraffic

ip access-list extended OutFilter

permit ip any any reflect IntTraffic

access-list 1 permit

dialer-list 1 protocol ip permit



banner login ^C

!! Your Banner !!



line con 0

logging synchronous

line 1

exec-timeout 0 0

script dialer dialup

modem InOut

transport input all

escape-character 93

stopbits 1

speed 115200

flowcontrol hardware

line vty 0 4

exec-timeout 20 0

password <>





Hope this helps , Josh

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