У вашего броузера проблема в совместимости с HTML5
Connectivity between the routers ( UP and UP )
Ping connected interface
Show ip int brief ( UP UP )
EIGRP configurations
◦ verify neighbors hip
Advertisements ( show ip eigrp interfaces )
AS – no mismatch
Authentication
sh run int f0/0
Show key-chain
K-values ( sh run | s eigrp) ( sh ip protocols )