JNCIS-ENT (Juniper Networks Certified Internetwork Specialist – Enterprise)

Course Details

Layer 2 Switching and VLANs

– Enterprise switching platforms

– Bridging components

– Frame processing

– Ports

– Tagging

– Native VLANs and voice VLANs

– Inter-VLAN routing

– Interfaces and ports

– VLANs

– Routed VLAN interfaces (RVI)

Spanning Tree

– STP and RSTP concepts

– Port roles and states

– BPDUs

– Convergence and reconvergence

– STP

– RSTP

Layer 2 Security

– BPDU, loop and root protection

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

– Storm control

– Filter types

– Processing order

– Match criteria and actions

– Protection

– Port security

– Storm control

– Firewall filter configuration and application

Protocol Independent Routing

– Static, aggregate, and generated routes

– Martian addresses

– Routing instances, including RIB groups

– Load balancing

– Filter-based forwarding

– Static, aggregate, and generated routes

– Load balancing

– Filter-based forwarding

Open Shortest Path First (OSPF)

– Link-state database

– OSPF packet types

– Router ID

– Adjacencies and

– Designated router (DR) and backup designated router (

– OSPF area and router

– LSA packet

– Areas, interfaces and

– Additional basic

– Routing policy

– Troubleshooting

– Realms

Intermediate System to Intermediate System (IS-IS)

– Link-state database

– IS-IS PDUs

– TLVs

– Adjacencies and neighbors

– Levels and areas

– Designated intermediate system (DIS)

– Metrics

– Levels, interfaces and adjacencies

– Additional basic options

– Routing policy application

– Troubleshooting tools

Border Gateway Protocol (BGP)

– BGP basic operation

– BGP message types

– Attributes

– Route/path selection process

– IBGP and EBGP functionality and interaction

– Groups and peers

– Additional basic options

– Routing policy application

Tunnels

– Tunneling applications and considerations

– IP-IP

– GRE

– IP-IP

High Availability

– 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)

– LAG and RTG

– Virtual Chassis

– GR, GRES, NSR, and NSB

– VRRP

I– SSU

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