JNCIS-ENT (Routing and Switching)

JNCIS-ENT (Routing and Switching)

 

 

All Courses Idea

Layer 2 Switching and VLANs

Identify the concepts, operation, and functionality of Layer 2 switching for the Junos OS

  • Enterprise switching platforms

  • Bridging components

  • Frame processing

Identify the concepts, benefits, and functionality of VLANs

  • Ports

  • Tagging

  • Native VLANs and voice VLANs

  • Inter-VLAN routing

Demonstrate knowledge of how to configure, monitor and troubleshoot Layer 2 switching and VLANs

  • Interfaces and ports

  • VLANs

  • Routed VLAN interfaces (RVI)

Spanning Tree

Identify the concepts, benefits, operation, and functionality of the Spanning Tree Protocol

  • STP and RSTP concepts

  • Port roles and states

  • BPDUs

  • Convergence and reconvergence

Demonstrate knowledge of how to configure and monitor STP and RSTP

  • STP

  • RSTP

Layer 2 Security

Identify the concepts, benefits and operation of various protection and security features

  • BPDU, loop and root protection

  • Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) and IP source guard

  • Storm control

  • Identify the concepts, benefits and operation of Layer 2 firewall filtres

  • Filter types

  • Processing order

  • Match criteria and actions

Demonstrate knowledge of how to configure and monitor Layer 2 security

  • Protection

  • Port security

  • Storm control

  • Firewall filter configuration and application

Protocol Independent Routing

Identify the concepts, operation and 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 of how to configure and monitor various protocol-independent routing components

  • Static, aggregate, and generated routes

  • Load balancing

  • Filter-based forwarding

Open Shortest Path First (OSPF)

Identify the concepts, operation and 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

  • LSA packet types

Demonstrate knowledge of how to configure, monitor and troubleshoot OSPF

  • Areas, interfaces and neighbors

  • Additional basic options

  • Routing policy application

  • Troubleshooting tools

Intermediate System to Intermediate System (IS-IS)

Identify the concepts, operation and 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 and troubleshoot IS-IS

  • Levels, interfaces and adjacencies

  • Additional basic options

  • Routing policy application

  • Troubleshooting tools

Border Gateway Protocol (BGP)

Identify the concepts, operation and 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 and monitor BGP

  • Groups and peers

  • Additional basic options

  • Routing policy application

Tunnels

Identify the concepts, requirements and functionality of IP tunneling Tunneling applications and considerations

  • GRE

  • IP-IP

Demonstrate knowledge of how to configure and monitor IP tunnels

  • GRE

  • IP-IP

High Availability

Identify the concepts, benefits, applications and 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 and monitor high availability components

  • LAG and RTG

  • Virtual Chassis

  • GR, GRES, NSR, and NSB

  • VRRP

  • ISSU