Establishing SR-TE (CSPF) LSPs through inter OSPF areas is a challenge, as these LSPs rely on TED, and this TED is per OSPF area or IS-IS level. In our previous tech post “ Migrating from OSPF/LDP to OSPF/SR-MPLS ”, we explored how to transition from OSPF/LDP to OSPF/SR-MPLS for SR and the associated benefits it brings to modern networks. In ...