Overview of the Service Provider Routing and Switching, Specialist (JNCIS-SP) Exam
The JNCIS-SP certification validates the technical proficiency of network engineers in implementing, troubleshooting, and maintaining Junos OS-based service provider routing platforms. Candidates must demonstrate deep operational expertise in interior gateway protocols including OSPF and IS-IS, alongside comprehensive BGP path selection, attribute manipulation, and scaling mechanisms. The curriculum mandates proficiency in Layer 2 and Layer 3 VPN architectures, encompassing EVPN-VXLAN, MPLS label switched paths, RSVP-TE, and LDP signaling. Furthermore, the exam requires mastery of high availability features, including graceful restart and non-stop active routing, as well as class-of-service implementation, packet filtering, and advanced policy control frameworks essential for carrier-grade network infrastructure deployment.