Unfortunately, some MPLS (Multiprotocol Label Switching) implementations do not support the ability to forward packets received on an egress LSP to their OSPF (Open Shortest Path First) router ID and/or BGP (Border Gateway Protocol) next hop address.
If your MPLS network includes equipment that does not support this type of IP forwarding, you can use configuration commands to explicitly control the use of calculated LSP next hops.
Note
You can enable the use of LSP next hops, or you can enable DHCP (Dynamic Host Configuration Protocol)/BOOTP relay. The software does not support both features at the same time.These commands enable and disable the calculation of LSP next hops by OSPF:
These commands enable and disable the calculation of LSP next hops by BGP:
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