Why Study with PlanetCert?
The Latest Questions
Practice questions and exam topics aligned with the current exam objectives.
Detailed Explanations
Go beyond the answer. Master the material with comprehensive learning and professional explanations for every concept.
AI-Powered Insights
Personalized preparation guidance that adapts to your performance and identifies weak spots automatically.
Exam Information
Official specifications published by Juniper
Exam Format
90 min
65
60-70% (estimated)%
Professional
Registration
$400 USD
Pearson VUE or online proctoring
English
Validity
3 years
Pass the current JNCIP-ENT exam before expiration; Pass any higher-level Juniper certification exam (JNCIE-ENT); Complete required Continuing Education credits through Juniper Learning Portal
JN0-649 Exam Topics and Domains
JN0-649 is organized into 8 weighted domains. Expect to work with Junos CLI, Junos BGP policies, Auto-RP, BGP confederations, and more.
1
Interior Gateway Protocols (IGPs)
15%
IS-IS
IS-IS Concepts and OperationsIS-IS Configuration and Troubleshooting
- Describe the concepts, operations, or functionality of IS-IS
- Configure and troubleshoot IS-IS deployments
- Monitor IS-IS operations
OSPF (OSPFv2 and OSPFv3)
OSPF Concepts and OperationsAdvanced OSPF FeaturesOSPF Troubleshooting and Monitoring
- Describe the concepts, operations, or functionality of OSPFv2 and OSPFv3
- Configure, troubleshoot, and monitor OSPF deployments
- Implement OSPF routing policies
IGP Routing Policy
Routing Policy Implementation
- Implement routing policies for IGP deployments
- Configure route filtering and manipulation
- Troubleshoot routing policy issues
2
Border Gateway Protocol (BGP)
20%
BGP Concepts and Operations
BGP FundamentalsBGP Route Selection
- Describe BGP concepts, operations, and functionality
- Explain BGP route selection mechanisms
- Understand BGP next hop resolution procedures
BGP Attributes and Communities
BGP Path AttributesBGP Communities
- Configure and manipulate BGP attributes
- Implement BGP communities for route tagging
- Use communities for traffic engineering
BGP Advanced Options
BGP Scaling and OptimizationBGP Load Balancing
- Implement BGP scalability features
- Configure BGP load balancing
- Optimize BGP convergence
BGP NLRI Families
IPv4 and IPv6 BGP
- Configure BGP for inet and inet6 NLRI families
- Implement MP-BGP for multiple address families
BGP Routing Policy
BGP Policy Implementation
- Implement BGP routing policies
- Configure route filtering and manipulation
- Troubleshoot BGP policy issues
BGP Configuration and Troubleshooting
BGP Monitoring and Troubleshooting
- Monitor BGP operations effectively
- Troubleshoot BGP neighbor relationships
- Identify and resolve BGP routing issues
3
IP Multicast
15%
Multicast Fundamentals
Multicast ConceptsMulticast Models
- Describe multicast addressing and traffic flow
- Explain Any-Source Multicast versus Source-Specific Multicast
- Understand multicast distribution models
IGMP and IGMP Snooping
IGMP ProtocolIGMP Snooping
- Configure and troubleshoot IGMP
- Implement IGMP snooping for Layer 2 optimization
- Monitor IGMP operations
PIM Sparse-Mode
PIM-SM ConceptsPIM-SM Configuration
- Describe PIM sparse-mode operation
- Configure PIM-SM on Junos devices
- Troubleshoot PIM-SM deployments
Rendezvous Point (RP)
RP ConfigurationRP Discovery and Election
- Configure Rendezvous Points
- Implement RP discovery mechanisms
- Understand RP election processes
Anycast RP and MSDP
Anycast RPMSDP (Multicast Source Discovery Protocol)
- Implement Anycast RP for redundancy
- Configure MSDP for inter-domain multicast
- Understand MSDP concepts and operation
Multicast Routing Policy and Scoping
Multicast PolicyMulticast Scoping
- Implement multicast routing policies
- Configure multicast scoping
- Control multicast propagation
Multicast Troubleshooting
IGMP and PIM Troubleshooting
- Troubleshoot IGMP and PIM-SM
- Verify multicast forwarding
- Identify and resolve RPF issues
4
Ethernet Switching and Spanning Tree
12%
Advanced VLAN Technologies
Filter-Based VLANsPrivate VLANsDynamic VLAN Registration (MVRP)
- Configure filter-based VLANs
- Implement private VLANs for security
- Use MVRP for dynamic VLAN registration
Layer 2 Tunneling
Q-in-Q (802.1Q Tunneling)Layer 2 Protocol Tunneling (L2PT)
- Configure Q-in-Q VLAN tunneling
- Implement Layer 2 Protocol Tunneling
- Understand tunneling use cases and applications
Advanced Spanning Tree Protocols
Multiple Spanning Tree Protocol (MSTP)VLAN Spanning Tree Protocol (VSTP)Spanning Tree Protection Features
- Configure and troubleshoot MSTP
- Implement VSTP for per-VLAN spanning tree
- Use spanning tree protection features
Switching Technologies Monitoring
Switching Troubleshooting and Verification
- Monitor Ethernet switching operations
- Troubleshoot VLAN and spanning tree issues
- Verify switching configurations
5
Layer 2 Authentication and Access Control
10%
802.1X Authentication
802.1X Concepts802.1X Configuration
- Describe 802.1X authentication process flow
- Configure 802.1X on Junos switches
- Troubleshoot 802.1X authentication issues
MAC RADIUS
MAC RADIUS Authentication
- Implement MAC RADIUS authentication
- Configure clientless authentication
- Understand MAC RADIUS use cases
Captive Portal
Captive Portal Configuration
- Configure captive portal authentication
- Implement web-based access control
- Customize captive portal pages
Server Fail Fallback and Guest VLAN
Server Fail FallbackGuest VLAN
- Configure server fail fallback mechanisms
- Implement Guest VLAN for unauthenticated users
- Ensure network availability during authentication failures
Multi-Method Authentication
Authentication Method Ordering
- Configure multiple authentication methods
- Understand authentication method precedence
- Implement flexible access control strategies
Authentication Troubleshooting
Layer 2 Authentication Monitoring
- Monitor Layer 2 authentication sessions
- Troubleshoot authentication failures
- Verify RADIUS server communication
6
IP Telephony Features
8%
Power over Ethernet (PoE)
PoE Concepts and StandardsPoE Configuration and Management
- Describe PoE standards and operation
- Configure PoE on Junos switches
- Monitor and troubleshoot PoE
LLDP and LLDP-MED
Link Layer Discovery Protocol (LLDP)LLDP-MED for IP Telephony
- Configure LLDP and LLDP-MED
- Use LLDP-MED for IP telephony support
- Monitor LLDP neighbor information
Voice VLAN
Voice VLAN Implementation
- Configure Voice VLAN for IP telephony
- Separate voice and data traffic
- Implement QoS for voice applications
IP Telephony Monitoring
Telephony Feature Verification
- Monitor IP telephony features
- Verify PoE, LLDP, and Voice VLAN operation
- Troubleshoot IP phone issues
7
Class of Service (CoS)
12%
CoS Fundamentals
CoS Processing OverviewCoS Header Fields
- Understand CoS processing stages
- Identify CoS header fields
- Describe forwarding classes and loss priorities
Classification
Packet Classification
- Configure packet classification
- Use BA and MF classifiers
- Assign forwarding classes and loss priorities
Policers
Policer Configuration
- Configure single-rate and two-rate policers
- Apply policers to interfaces
- Control bandwidth with policers
Schedulers and Queuing
Scheduler ConfigurationDrop Profiles
- Configure schedulers for output queues
- Implement drop profiles
- Manage queue congestion with RED/WRED
Shaping
Traffic Shaping
- Configure traffic shaping
- Control egress traffic rate
- Understand shaping vs policing
Rewrite Rules
Rewrite Rule Configuration
- Configure rewrite rules
- Mark packets at egress
- Map forwarding classes to CoS header fields
Layer 2/3 CoS Configuration
Layer 2 CoSLayer 3 CoS
- Configure CoS for Layer 2 networks
- Configure CoS for Layer 3 networks
- Understand Layer 2 vs Layer 3 CoS differences
CoS Troubleshooting
CoS Monitoring and Troubleshooting
- Monitor CoS operations
- Troubleshoot CoS configurations
- Verify QoS policies are working as expected
8
Ethernet VPN (EVPN)
8%
EVPN Fundamentals
EVPN ConceptsEVPN Route Types
- Describe EVPN concepts and operation
- Understand EVPN route types (Type 1, 2, 3)
- Explain EVPN control plane using BGP
VXLAN Technology
VXLAN ConceptsEVPN-VXLAN Integration
- Describe VXLAN technology and encapsulation
- Understand EVPN-VXLAN integration
- Configure EVPN-VXLAN overlay networks
EVPN Multi-Homing
Multi-Homing ConceptsActive Route Types for Multi-Homing
- Implement EVPN multi-homing
- Configure active-active multi-homing
- Understand active route types in multi-homing scenarios
EVPN Configuration and Troubleshooting
EVPN ConfigurationEVPN Monitoring and Troubleshooting
- Configure EVPN instances and VXLAN
- Enable BGP EVPN address family
- Monitor and troubleshoot EVPN deployments
How do I earn this certification?
Passing JN0-649 earns the Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT) certification. It sits in the Enterprise Routing and Switching track.
Next Level Options
JNCIE-ENT - Juniper Networks Certified Expert Enterprise Routing and Switching Lab ExamExpert-level practical lab exam
Alternative Paths
- JN0-664 - Service Provider Routing and Switching, Professional (JNCIP-SP)Complementary skills in service provider networking
- JN0-637 - Security, Professional (JNCIP-SEC)Security focus for enterprise networks
- JN0-635 - Automation and DevOps, Professional (JNCIP-DevOps)Network automation and programmability skills
- JN0-451 - Mist AI, Specialist (JNCIS-MistAI) AI-driven network operations and analytics
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for JN0-649 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: Based on Junos OS 21.2
- Announcement date: 2020
Updates
- EVPN-VXLAN Enhanced in recent Junos releases EVPN is a key exam domain - stay current with implementation best practices • Release date: Ongoing
- BGP Add-Path Standard feature in modern Junos BGP advanced features may include add-path for redundancy • Release date: Available in Junos 21.2+
- MSTP and VSTP Mature implementations Core switching topics - ensure solid understanding of differences • Release date: Long-standing features
- 802.1X Authentication Enhanced with EAP-TLS and dynamic VLAN assignment Layer 2 security is critical - understand RADIUS integration • Release date: Ongoing enhancements
Who should take this exam?
Certification: JNCIS-ENT; Exam Code: JN0-348; Description: Juniper Networks Certified Specialist Enterprise Routing and Switching
- Experience with Junos OS configuration and operation
- Understanding of enterprise routing and switching technologies
- Hands-on experience with Juniper EX and MX series devices
- Knowledge of advanced routing protocols (OSPF, BGP, IS-IS)
- Familiarity with multicast technologies