Steve, you may want to take a look at Cisco's GUI for the ISR line of routers. It's called Cisco Configuration Professional. The 2921 is a very robust router and can do quite a bit of things.You may also want to verify that you will have configurat...
This document might help explain the differences in 4.2 and 4.3 https://supportforums.cisco.com/document/60506/asr9000xr-how-cdp-handled-l2-and-l3-scenarios
What are your devices? Router/switches/ASAs? Your pictures are kind of cut off so it hard to understand your topology. You need to have two Layer3 devices to run HSRP one will be Primary and one would be Standby. You should be able to run EIGRP on...
