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Is your router directly connected to the ISP router, or is there a hub or switch in between? You say you cannot ping .29 which is the ISP router address. If you do a "Sh ip int brief", does your interface show the connection as up up?
use "sh flash" to find out the existing image name. Then use "delete flash"filename" to delete the image. After doing this do not reboot the router until you load the new image. If you do it will boot into rommon. If that happens you can still lo...
I noticed you have the IP NAT outside statement on your outside interface. Can you provide the rest of the NAT config including its ACL. The NAT ACL has to be precise, otherwise what happens when you try telnetting from the outside the packets come...
