Juniper Networks Certified Specialist Enterprise Routing and Switching (JNCIS-ENT) JN0-349
JNCIS-ENT (JN0-349) – Juniper Certified Enterprise Routing & Switching Specialist Training in Coimbatore
Advance Your Networking Expertise with JNCIS-ENT Certification
The Juniper Networks Certified Specialist – Enterprise Routing and Switching (JNCIS-ENT) certification is an intermediate-level credential designed for networking professionals with basic Junos OS knowledge who are ready to step into more complex enterprise-level routing and switching environments.
This certification validates your expertise in Layer 2 and Layer 3 switching technologies, VLANs, Spanning Tree, OSPF, routing policy, and firewall filters using Junos-based enterprise platforms. Our JNCIS-ENT training in Coimbatore equips you with the essential skills and confidence to manage enterprise network infrastructures using Juniper devices.
Course Overview
Our JNCIS-ENT training course is structured to help candidates master advanced networking concepts with hands-on lab experience. This course builds upon foundational knowledge from the JNCIA-Junos certification and focuses on enterprise routing and switching implementations.
Core topics covered:
Layer 2 Switching and VLANs
Spanning Tree Protocol (STP) and RSTP
Layer 3 IP routing: static, OSPFv2, and OSPFv3
Routing policy and firewall filters
Junos device and interface configuration
High availability, link aggregation, and virtual chassis
Troubleshooting and monitoring tools in Junos
Why Choose Our JNCIS-ENT Training?
Expert Trainers: Certified professionals with real-world networking experience
Practical Labs: Hands-on exercises on real and emulated Juniper devices
Updated Curriculum: Covers all JN0-349 exam objectives
Flexible Learning: Online and classroom training available
Career-Oriented: Prepares you for high-demand job roles in enterprise networking
Who Can Enroll?
Network engineers with prior Junos experience
JNCIA-Junos certified professionals
IT professionals looking to specialize in enterprise routing and switching
Network technicians seeking to upskill for Juniper deployments
Career Prospects After Certification
Earning your JNCIS-ENT certification can lead to mid-level and senior roles such as:
Enterprise Network Engineer
Infrastructure Engineer
Network Consultant
Network Implementation Specialist
It also paves the way for pursuing higher certifications like JNCIP-ENT and JNCIE-ENT.
Master advanced Juniper enterprise networking with our JNCIS-ENT training and build a robust, future-ready IT career.
Syllabus
Modules
Layer 2 Switching and VLANs
Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS
- Bridging components
- Frame processing
- Ports
- Tagging
- Native VLANs and voice VLANs
- Inter-VLAN routing
Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs
- Interfaces and ports
- VLANs
- Junos Network Director
- Inter-VLAN Routing
Spanning Tree
Describe the concepts, benefits, operation, or functionality of the Spanning Tree Protocol
- STP and RSTP concepts
- Port roles and states
- BPDUs
- Convergence and reconvergence
Demonstrate knowledge how to configure, monitor, or troubleshoot STP and RSTP
- STP
- RSTP
Layer 2 Security
Identify the concepts, benefits or operation of various Layer 2 protection or security features
- BPDU, loop or root protection
- Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) or IP source guard
- MACsec
- Storm control
Identify the concepts, benefits or operation of Layer 2 firewall filters
- Filter types
- Processing order
- Match criteria and actions
Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security
- Protection
- Port security
- Storm control
- Firewall filter configuration and application
Protocol-Independent Routing
Identify the concepts, operation or functionality of various protocol-independent routing components
- Static, aggregate, and generated routes
- Martian addresses
- Routing instances, including RIB groups
- Load balancing
- Filter-based forwarding
Demonstrate knowledge how to configure, monitor, or troubleshoot various protocol-independent routing components
- Static, aggregate, and generated routes
- Load balancing
- Filter-based forwarding
OSPF
Describe the concepts, operation or functionality of OSPF
- Link-state database
- OSPF packet types
- Router ID
- Adjacencies and neighbors
- Designated router (DR) and backup designated router (BDR)
- OSPF area and router types
- Realms
- LSA packet types
Demonstrate knowledge how to configure, monitor or troubleshoot OSPF
- Areas, interfaces and neighbors
- Additional basic options
- Routing policy application
- Troubleshooting tools (e.g., ping, traceroute,trace options, show commands, logging)
IS-IS
Describe the concepts, operation or functionality of IS-IS
- Link-state database
- IS-IS PDUs
- TLVs
- Adjacencies and neighbors
- Levels and areas
- Designated intermediate system (DIS)
- Metrics
Demonstrate knowledge of how to configure, monitor or troubleshoot IS-IS
- Levels, interfaces and adjacencies
- Additional basic options
- Routing policy application
- Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)
BGP
Describe the concepts, operation or functionality of BGP
- BGP basic operation
- BGP message types
- Attributes
- Route/path selection process
- IBGP and EBGP functionality and interaction
Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP
- Groups and peers
- Additional basic options
- Routing policy application
- Troubleshooting tools (e.g., ping, traceroute,trace options, show commands, logging)
Tunnels
Identify the concepts, requirements or functionality of IP tunneling
- Tunneling applications and considerations
- GRE/UDP
- IP-IP
Demonstrate knowledge of how to configure, monitor or troubleshoot IP tunnels - GRE/UDP - IP-IP - Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)
High Availability
Identify the concepts, benefits, applications or requirements for high availability in a Junos OS environment
- Link aggregation groups (LAG)
- Redundant trunk groups (RTG)
- Virtual Chassis
- Graceful restart (GR)
- Graceful Routing Engine switchover (GRES)
- Nonstop active routing (NSR)
- Nonstop bridging (NSB)
- Bidirectional Forwarding Detection (BFD)
- Virtual Router Redundancy Protocol (VRRP)
- Unified In-Service Software Upgrade (ISSU)
Demonstrate knowledge of how to configure, monitor, or troubleshoot high availability components
- LAG and RTG
- Virtual Chassis
- GR, GRES, NSB, and NSR
- VRRP
- ISSU
- Troubleshooting tools (e.g., trace options, show commands, logging)
