you need to do redistribution on R2 and R3 R1 is ONLY in EIGRP 100, and is THE ONLY router you can ping from
The success of pings from R4 to the R3 LAN interface proves that the fault has been corrected and the R3 IP routing table only contains two 10.0.0.0 subnets.
What additional configuration statement should be included on router R4 to advertise a default route to its neighbors?
Which two routing protocols require a metric to be configured when redistributing routes from other protocols?