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JNCIP-ENT (Routing and Switching)

OSPF

  • Describe the concepts, operation and functionality of OSPFv2 and OSPFv3
  • OSPF LSA types
  • OSPF area types and operations
  • LSA flooding through an OSPF multi-area network
  • DR/BDR operation
  • SPF algorithm
  • Metrics, including external metric types
  • Authentication options
  • Route summarization and restriction
  • Overload
  • Virtual links
  • OSPFv2 vs OSPFv3
  • Given a scenario, demonstrate knowledge of how to configure and monitor single-area and multi-area OSPF
  • Implement OSPF routing policy

BGP

  • Describe the concepts, operation and functionality of BGP
  • BGP route selection process
  • Next hop resolution
  • BGP attributes – concept and operation
  • BGP communities
  • Regular expressions
  • Load balancing – multipath, multihop, forwarding table
  • NLRI families – inet, inet6
  • Advanced BGP options
  • Given a scenario, demonstrate knowledge of how to configure and monitor BGP
  • Implement BGP routing policy

IP Multicast

  • Describe the concepts, operation and functionality of IP multicast
  • Components of IP multicast, including multicast addressing
  • IP multicast traffic flow
  • Any-Source Multicast (ASM) vs. Source-Specific Multicast (SSM)
  • RPF – concept and operation
  • IGMP, IGMP snooping
  • PIM dense-mode and sparse-mode
  • Rendezvous point (RP) – concept, operation, discovery, election
  • SSM – requirements, benefits, address ranges
  • Anycast RP
  • MSDP
  • Routing policy and scoping
  • Given a scenario, demonstrate knowledge of how to configure and monitor IGMP, PIM-DM and PIM-SM (including SSM)
  • Implement IP multicast routing policy

Ethernet Switching and Spanning Tree

  • Describe the concepts, operation and functionality of advanced Ethernet switching
  • Filter-based VLANs
  • Private VLANs
  • Dynamic VLAN registration using MVRP
  • Tunnel Layer 2 traffic through Ethernet networks
  • Layer 2 tunneling using Q-in-Q and L2PT
  • Given a scenario, demonstrate knowledge of how to configure and monitor advanced Ethernet switching
  • Describe the concepts, operation and functionality of advanced spanning tree protocols, including MSTP and VSTP
  • Given a scenario, demonstrate knowledge of how to configure and monitor MSTP and VSTP

Layer 2 Authentication and Access Control

  • Describe the operation of various Layer 2 authentication and access control features
  • Authentication process flow
  • 802.1x – concepts and functionality
  • MAC RADIUS
  • Captive portal
  • Server fail fallback
  • Guest VLAN
  • Considerations when using multiple authentication/access control methods
  • Given a scenario, demonstration how to configure and monitor Layer 2 authentication and access control

IP Telephony Features

  • Describe the concepts, operation and functionality of features that facilitate IP telephony deployments
  • Power over Ethernet (PoE)
  • LLDP and LLDP-MED
  • Voice VLAN
  • Given a scenario, demonstration how to configure and monitor Layer 2 authentication and access control

Class of Service (CoS)

  • Describe the concepts, operation and functionality of Junos CoS for Layer 2/3 networks
  • CoS processing on Junos devices
  • CoS header fields
  • Forwarding classes
  • Classification
  • Packet loss priority
  • Policers
  • Schedulers
  • Drop profiles
  • Shaping
  • Rewrite rules
  • Given a scenario, demonstrate knowledge of how to configure and monitor CoS for Layer 2/3 networks