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ENARSI (Enterprise Advanced Routing and Services)

Welcome to our Cisco ENARSI course! Cisco ENARSI (Implementing Cisco Enterprise Advanced Routing and Services) is an advanced training program designed to help network engineers gain the skills and knowledge necessary to build, optimize, and troubleshoot large-scale enterprise networks. Our Cisco ENARSI course provides comprehensive training and certification preparation for experienced network engineers who want to enhance their skills and take their careers to the next level.

The Cisco ENARSI program covers a wide range of advanced topics, including advanced routing concepts, BGP routing, MPLS, multicast routing, Quality of Service (QoS), and more. Our expert instructors are dedicated to providing you with a comprehensive and hands-on learning experience that will prepare you for success in the real world.

In our Cisco ENARSI course, you will learn how to design, configure, optimize, and troubleshoot complex network infrastructures using industry-standard Cisco technologies and tools. You will gain hands-on experience working with the latest network hardware, software, and automation technologies, as well as mastering advanced routing and switching protocols.
Our Cisco ENARSI course is designed for experienced network engineers who are looking to take their skills to the next level and advance their careers. Whether you are a seasoned professional or a recent graduate, our Cisco ENARSI course will provide you with the training and support you need to achieve your career goals.

Thank you for choosing LINT. We look forward to helping you enhance your skills, advance your career, and succeed in the dynamic world of enterprise networking!

1.1 Troubleshoot administrative distance (all routing protocols)

1.2 Troubleshoot route map for any routing protocol (attributes, tagging, filtering)

1.3 Troubleshoot loop prevention mechanisms (filtering, tagging, split horizon, route poisoning)

1.4 Troubleshoot redistribution between any routing protocols or routing sources

1.5 Troubleshoot manual and auto-summarization with any routing protocol

1.6 Configure and verify policy-based routing

1.7 Configure and verify VRF-Lite

1.8 Describe Bidirectional Forwarding Detection

1.9 Troubleshoot EIGRP (classic and named mode)

  • 1.9.a Address families (IPv4, IPv6)
  • 1.9.b Neighbor relationship and authentication
  • 1.9.c Loop-free path selections (RD, FD, FC, successor, feasible successor, stuck in active)
  • 1.9.d Stubs
  • 1.9.e Load balancing (equal and unequal cost)
  • 1.9.f Metrics

1.10 Troubleshoot OSPF (v2/v3)

  • 1.10.a Address families (IPv4, IPv6)
  • 1.10.b Neighbor relationship and authentication
  • 1.10.c Network types, area types, and router types
  • 1.10.c  Point-to-point, multipoint, broadcast, nonbroadcast
  • 1.10.c (ii) Area type: backbone, normal, transit, stub, NSSA, totally stub
  • 1.10.c (iii) Internal router, backbone router, ABR, ASBR
  • 1.10.c (iv) Virtual link
  • 1.10.d Path preference

1.11 Troubleshoot BGP (Internal and External)

  • 1.11.a Address families (IPv4, IPv6)
  • 1.11.b Neighbor relationship and authentication (next-hop, mulithop, 4-byte AS, private AS, route refresh, synchronization, operation, peer group, states and timers)
  • 1.11.c Path preference (attributes and best-path)
  • 1.11.d Route reflector (excluding multiple route reflectors, confederations, dynamic peer)
  • 1.11.e Policies (inbound/outbound filtering, path manipulation)
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2.1 Describe MPLS operations (LSR, LDP, label switching, LSP)

2.2 Describe MPLS Layer 3 VPN

2.3 Configure and verify DMVPN (single hub)

  • 2.3.a GRE/mGRE
  • 2.3.b NHRP
  • 2.3.c IPsec
  • 2.3.d Dynamic neighbor
  • 2.3.e Spoke-to-spoke
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3.1 Troubleshoot device security using IOS AAA (TACACS+, RADIUS, local database)

3.2 Troubleshoot router security features

  • 3.2.a IPv4 access control lists (standard, extended, time-based)
  • 3.2.b IPv6 traffic filter
  • 3.2.c Unicast reverse path forwarding (uRPF)

3.3 Troubleshoot control plane policing (CoPP) (Telnet, SSH, HTTP(S), SNMP, EIGRP, OSPF, BGP)

3.4 Describe IPv6 First Hop security features (RA guard, DHCP guard, binding table, ND inspection/snooping, source guard)

4.1 Troubleshoot device management

  • 4.1.a Console and VTY
  • 4.1.b Telnet, HTTP, HTTPS, SSH, SCP
  • 4.1.c (T)FTP

4.2 Troubleshoot SNMP (v2c, v3)

4.3 Troubleshoot network problems using logging (local, syslog, debugs, conditional debugs, timestamps)

4.4 Troubleshoot IPv4 and IPv6 DHCP (DHCP client, IOS DHCP server, DHCP relay, DHCP options)

4.5 Troubleshoot network performance issues using IP SLA (jitter, tracking objects, delay, connectivity)

4.6 Troubleshoot NetFlow (v5, v9, flexible NetFlow)

4.7 Troubleshoot network problems using Cisco DNA Center assurance (connectivity, monitoring, device health, network health)