How do I allow an external host to connect to an internal networ
The point that Alcides is making is that if host A is in the Internet and wants to access your internal network that there needs to be address translation in place to make your internal network accessible from the Internet. Note that what is frequently done to translate internal addresses using the interface address with overload works fine to allow inside hosts to get out and for response traffic to get back in. But it does not work for traffic originated from the Internet to inside networks. So you would need additional address translation.
Also I would point out that the access list that you suggest in your original post would allow that specific Internet host to access your network but it does not permit anything else. You should give some thought to what other traffic would need to be permitted in through this interface.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.