I have problem with GRE Tunnels MTU size and output packets drop. Some of the websites are able to open and some are not. What should be the ideal MTU size of the GRE tunnel in order to support for every packet as on the normal interfaces and why output packets drops are increasing.
I know the basics for Cisco routers and switches but what I want to know is, if I set up VTP on a switch, is there a way to send it through routers to other switches? This will probably end up more hassle than gain, but it's interesting and cool to p...