I have configured R1, R2 and R3 with IP v6 static routes and i am able to test a successful ping between Pc1 and Pc2 however the ping fails when run from either R1 or R3  however succeeds when run from R2. Also i have enabled IPv6 unicast routing on ...

Hello there,   i am trying to simulate a connection of  two routers cisco 2911 routers in packet tracer with optical fiber however i get an error message, " The cable cannot be connected to that port" , what could be the problem or procedure on using...