cisco dhcp & nat

Hi all,

I'm trying to setup my cisco 3620 router as a broadband router. For this i've set eth0/0 to dhcp and this interface receives an ip address without any problems from my isp.


I've setup nat overloading and a dhcp pool.

Eth1/0 has an ip-address( and is connected to a 2950 switch. On this switch my laptop is attached and gets an ip address (

From my router i can ping everything (also
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>From my laptop i can ping all interfaces on my router but not

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Resulting in that i can't reach the internet.

Can someone please take a look at my running-config and hopefully tell me what's wrong.

Thxs in advance guy's

here's my show run: c3600#sh run Building configuration...

Current configuration : 1021 bytes ! version 12.2 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname c3600 ! logging queue-limit 100 ! ip subnet-zero ! ! no ip dhcp conflict logging ip dhcp excluded-address ! ip dhcp pool intranet import all network default-router ! frame-relay switching call rsvp-sync ! ! ! ! ! ! ! ! interface Ethernet0/0 bandwidth 1500 ip address dhcp ip nat outside half-duplex fair-queue ! interface Serial0/0 no ip address shutdown ! interface Serial0/1 no ip address dce-terminal-timing-enable no cdp enable ! interface BRI1/0 no ip address encapsulation hdlc shutdown ! interface Ethernet1/0 ip address ip nat inside half-duplex fair-queue hold-queue 32 in ! ip default-gateway ip nat inside source list 1 interface Ethernet1/0 overload ip classless ip http server ! ! dial-peer cor custom ! ! ! ! line con 0 line aux 0 line vty 0 4 login ! end



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What does "sorce list 1" refer to? You need to add an access list...

access-list 1 permit

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Hi Lorre,

This should be a default route, not a default gateway. IE ip route Default gateway is for Router management (why the router can get outside), Default route is for Routing traffic passing through the Router.

I can't find your source list 1 ACL - that should be the inside network you wish to translate using NAT.

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