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I also assume that you must have network reachability between the tunnel source and the tunnel destination and vice versa.
Yes and nothing blocking the tunnel packets.
BTW, on GRE tunnel, the tunnel can appear up/up when it's not. Pinging the other side of the tunnel should confirm tunnel is fully operational. (NB: for GRE tunnels, using keepalives will take the tunnel down if the other side can't actually be reached.)
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.