I was in IT (mostly WAN support) for over 20 years. Laid off 5 years ago. Due to personal reasons, I did not return to work immediately. I am now ready. At the time of being laid off, shortly after I obtained multiple certifications including CCNA an...

I have set up a simple OSPF network in Packet Tracer. I see all neighbors up - I am able to ping interface withing a OSPF area. I am unable to ping a host crossing over OSPF area. I am refreshing myself on routing after a 6 year absence - Please be n...