I've got a ISR4451-X/K9. IOS is isr4400-universalk9.16.03.07.SPA.bin. I'm trying to configure a terminal server but when i try this is my message: terminal-server(config)#menu ? % Unrecognized command terminal-server(config)#menu ^ % Invalid input de...

trying to load the c-3550-ipservicesk9-mz.122-25.sed.bin. It will not load but gives a the 'switch' prompt. What are my options at this point?

I have successfully set up hundreds of GRE tunnels and run EIGRP. I replaced a 7200 router with a 4500. The EIGRP neighbors will not come up. I can ping from physical interface to physical interface and from tunnel interface to tunnel interface. ...