Hello,
We need to see Your configs, but OSPF DN-bit set in LSA3 by PE-1 would have prevented this:
simpnet wrote:
- Due to route preference (AD), OSPF route is preferred on PE-2 which it then advertise back to BGP
If DN-bit is set, then PE-2 would have ignored this LSA.
Please post the configs and following printout from PE-2:
show ospf database extensive instance <VRFname where OSPF is enabled>
HTH
Thx
Alex