Where does the serial interface and T1 controller fall under the OSI model. Also does the VWIC have several controllers and serial interfaces or is it one T1 controller per VWIC as well as serial interface?
A serial interface and the T1 controller are involved in sending physical signals over the wire so they are involved in layer 1 of the OSI model. The serial interface more so than the T1 controller are involved in encapsulating the data for transmission over the wire so they are involved in layer 2 of the OSI model. The serial interface and the T1 controller do not do any processing (or have any understanding)of IP addressing so they are not involved in layer 3 or any other higher layers of the OSI model.
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.