(The Link Layer Discovery Protocol) For every Cisco-proprietary protocol or service, there is an industry standard, an equivalent service that can be run on non-Cisco devices. For CDP, that industry standard is the Link Layer Discovery Protocol (LLDP). LLDP is going to give you information on directly connected devices. They don’t have to be directly
You’re just giving someone a banner of information at a certain time when they are connecting to a router. Now we’re going to create three different kinds of banners here. We’re going to create a log in, a message of the day, and an exec banner… and really the only difference is where they appear
The Cisco Discovery Protocol (CDP) is super-helpful in the right circumstances. We’ve used it here and there to view info about directly connected Cisco devices, and we’re using it again now to see which Cisco devices are directly connected to this Cisco switch. Let’s go ahead though and bring our switch back up and we
To this point, I’ve disabled timestamps to make the various log messages easier to read. SO at the top of the config you used to see this : In real-world networking, they’ll almost always be on, so we’ll get the timestamp service up and running (and maybe peek at another service or two) before we