ip nat inside source list 2 interface e0 overload
access-list 2 permit 10.10.10.0 0.0.0.255
Cheers,
Rajesh
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Question
NAT Cisco 2500 Series
Trying to learn cisco, working with a 2514 router, trying to setup NAT. What is wrong with my config listed below.
from 10.10.10.2 I can ping 10.10.10.1 and 192.168.11.107 (DHCP Assigned) , but not beyond on the 192.168.11.0/24 network and vice/versa.
The router is running 12.2(3) Software.
interface Ethernet0
ip address dhcp
ip nat outside
!
interface Ethernet1
ip address 10.10.10.1 255.255.255.0
ip nat inside
!
interface Serial0
no ip address
shutdown
!
interface Serial1
no ip address
shutdown
!
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.11.1
no ip http server
!
access-list 1 permit 192.168.11.0 0.0.0.255
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Answers
I'll try to explain it simple;
You have 'ip nat inside' on the e1 interface and 'ip nat outside' on the e0 interface which tells the traffic coming from e1 and going out through e0 should be natted.
Now;
ip nat inside source list 2 int e0 overload
What this tells the router is that, any traffic that matches the access-list 2 should be patted using inteface e0's ip address.
The access-list 2 makes sure that all the hosts inside your network or in other words, all machines in 10.10.10.x network will match it.
Hope that is clear enough.
Cheers,
Rajesh
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by: robinluoPosted on 2006-06-14 at 04:55:33ID: 16901615
you are missing the IP NAT command, which could be like this:
ip nat inside source list 1 interface e0 overload
The command can be varied depend on your preference.