named extended ACL doesn't work, can you help me?

The camera I used is 2651xm router and NAT is used to connect my everything inside the LAN (192.168.1.x) to outside internet. A standard ACL was used to block some local host access outside the internet, and it worked fine. My question is, when I created a named ACL extended and apply it to the interface that is attached to the LAN, entire local network will not be able to access the internet outside! can you give me some advice?

My hardware and software is 2651xm + IOS 12.3(6b)

The best regards.

Jan

Hi Jan,

I think the problem here is that you are confusing the use of an access list to control the SENATE, with the use of an access list to filter traffic.

Looking at the NAT, I see you have ip nat inside source list 1 pool cisco2651-natpool-168 of overload. This means that you still need to access list 1 to define which source addresses are translated. You could, I guess, use a named access list to do this, and the order would be something like ip nat inside source list of people inside outside pool cisco2651-natpool-168 overload, where the people inside of the country is the name of a standard named access list. But no matter how you play, you still need to access list. Try to put back the access list 1, and you will see that it will start working again. Note that the access list used to control NAT must be a-list type , named or numbered, not a scope.

On the other hand, you used the named acl test scope list to filter your traffic, and that's fine. OK, the list is wide open at the moment, but I guess you want to restrict later.

I hope this helps. Write back and let us know how you go.

Kevin Dorrell

Luxembourg

Tags: Cisco Security

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