Short story... EIGRP shop, have to convert to OSPF. Currently in a situation where we are standing up brand new 6880 VSS pair for Distribution layer... figured it was a good time to convert.
My Concern is we have two 7k's currently running EIGRP with redistributed static routes (bunch of 170 AD's). It won't be a hard cut EIGRP to OSPF but rather a rolling change as we are updating all access switches off an old 6500 to 6880's. So that means when we stand up OSPF between the 7k's and 6880 Distribution switches... we'll have to redistribute EIGRP into OSPF.
If I leave everything default, the redistributed EIGRP routes will have an AD of 110 pointing to the EIGRP instance running on the same 7k? will that cause routing loops since it'll overwrite all our DEX [170/XXX] routes? Should I just change the distance on the 7k's to say 180? And if so, is that just "(conf-rtr) distance #" and do that before redistribution or is it as simple as doing a default information originate on the two 7k's with no redistribution?
In the comments I've provided a basic topology
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