ENARSI: Advanced OSPF Features

ENARSI: Advanced OSPF Features

• describe OSPF address families for Ipv4 and Ipv6
• identify valid configuration statements to implement OSPFv3
• identify the process used to add authentication to OSPF peering
• recognize the importance of OSPF authentication
• identify OSPF network type configurations used to make peer communication more efficient
• recognize the behavior of different types of OSPF networks
• recognize the result of configuration on OSPF router type designation
• identify the correct configuration needed to establish special areas
• recognize the effects of defining different types of special OSPF areas
• recognize the effects of using cisco’s proprietary special types of OSPF areas
• identify the correct configuration needed to establish special areas

In this course, you'll learn about OSPF address families and how they permit the simple configuration of OSPF for IPv4 and IPv6 in one section of your running configuration. Next, you'll explore the importance of network security and how adding authentication to OSPF peerings enhances security. You'll look at OSPF network types and how they allow you to alter OSPF behavior over the link to make things more efficient. You'll move on to examine OSPF router types and area types. Finally, you'll learn about OSPF path preference and the order in which OSPF prefers paths. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI)certification exam.

ENARSI: BGP Address Families, Peers, AS Numbers, & Neighbor States

ENARSI: BGP Address Families, Peers, AS Numbers, & Neighbor States

• identify how to configure network statements within address families in BGP
• recognize how to configure BGP address families
• recognize the prerequisites for leveraging BGP address families
• recognize what BGP address families are used for
• recognize common BGP issues
• recognize how to troubleshoot inaccessible BGP routes
• understand common issues encountered in BGP
• understand how to create a BGP pairing using loopback IP addresses
• recognize private BGP AS space
• understand why private BGP AS numbers are used
• identify the different states of a BGP neighbor peering
• recognize the BGP neighbor states
• understand how to troubleshoot a BGP peering

BGP was designed to be able to carry any information regarding prefixes and features, a very unique configuration compared to IGPs. In this course, you'll learn how to leverage BGP address families. Next, you'll examine the static configuration of peers and unique parameters based on IBGP or EBGP peerings. You'll explore private AS numbers, as well as 4 byte AS numbers in BGP. It is critical you understand these topics when designing and implementing BGP solutions. Finally, you'll learn about the various neighbor states used by BGP. Knowledge in this area will help you when performing advanced troubleshooting techniques for BGP neighborship issues. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: BGP Path Attributes, Route Reflectors, & Routing Policies

ENARSI: BGP Path Attributes, Route Reflectors, & Routing Policies

• identify best practices for working with BGP path attributes
• identify the major categories of BGP path attributes
• identify how BGP attributes are used to determine the best path
• select the best path using BGP attributes
• explain BGP route reflector configuration 
• identify how BGP confederations function
• identify how BGP route reflectors function
• perform route filtering and path manipulation using popular techniques
• recognize how to perform traffic engineering using popular techniques
• verify route filtering and path manipulation

One thing that makes BGP very unique is that it does not rely on a single value or metric in order to make pathing decisions. There are many attributes that you can manipulate in order to engineer paths. In this course, you'll explore the different categories of attribute and examples of each. You'll move on to look at BGP route reflectors, which are a simple and effective method of avoiding the need for a full mesh of IBGP speakers. You'll learn how how they function and how they are configured. Finally, you'll learn about different methods of setting BGP routing policies, including route filtering and path manipulation using popular techniques. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: BGP Synchronization, Peer Groups, Route Refresh, & Timers

ENARSI: BGP Synchronization, Peer Groups, Route Refresh, & Timers

• describe different ways and reasons that BGP may update adjacent peers
• identify unique operational aspects of the BGP protocol
• recognize the behavior of BGP synchronization
• identify steps to assign parameters and neighbors to a BGP peer group
• recognize the concept and benefits of BGP peer groups
• identify commands used in refreshing BGP routes
• recognize why BGP session information is, by default, a slowly updating process
• Identify the behavior of some of the less common BGP timers
• recognize the timers that control BGP updates

BGP is configured quite differently from interior gateway protocols and there are many unique aspects to its operation. In this course, you'll learn about BGP synchronization and operation, as well as how peer groups allow you to gather many different settings for your neighbors and apply them all at once. You'll also see how assigning parameters using session profiles and policy profiles can be used instead of peer groups. Next, you'll explore why you should try and avoid having to clear BGP sessions and just refresh the route information instead. Finally, you'll examine. the different timers that control BGP operations. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: Device, SNMP, DHCP, & Syslog Troubleshooting

ENARSI: Device, SNMP, DHCP, & Syslog Troubleshooting

• recognize defaults used for SSH and how to troubleshoot and configure SSH
• recognize the management protocols available on a Cisco device and their management requirements
• troubleshoot and configure transport inputs for a Cisco device
• recognize the communication, operations, and message types supported by SNMP
• recognize the differences between the SNMP components that make up the SNMP security model versions
• distinguish between the different components of a syslog message
• identify the different syslog severity levels and their descriptive names
• configure a Cisco device to provide DHCP services as a server
• configure a Cisco device to use DHCP to get an IP address
• recognize common DHCP commands for troubleshooting and debugging DHCP on a Cisco device

What are the defaults you might find in place on your Cisco device when it comes to device management? What types of configurations should you know well enough to troubleshoot? In this course, you'll explore troubleshooting device management. Then, you'll move on to examine the different versions of SNMP, as well as the components that makeup the architecture and message types. Next, you see a typical SNMP version 3 configuration and common trouble areas. You'll learn about Syslog and how to use this powerful log data to effectively troubleshoot your device and its running services. Finally, you'll learn about common DHCP troubleshooting tactics and message information that is critical for effective enterprise troubleshooting. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: DMVPN Basics & Configuration

ENARSI: DMVPN Basics & Configuration

• describe IPsec crypto profiles, Multipoint GRE, and the Next Hop Resolution Protocol
• identify DMVPN components 
• configure the DMVPN NHRP network ID 
• configure the DMVPN NHRP NHS 
• describe DMVPN configuration elements

Like the MPLS L3 VPN, the DMVPN is a collection of technologies working together to solve many problems. In this course, you'll learn about IPsec crypto profiles, Multipoint GRE, and the Next Hop Resolution Protocol - all of which make the DMVPN possible. You'll explore the overall problems the DMVPN can help enterprises solve. You'll also walk through the DMVPN configuration step by step. You'll see how to build your practice topology and how to add the elements required for the DMVPN one piece at a time. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: EIGRP Concepts

ENARSI: EIGRP Concepts

• recall EIGRP theory and configuration basics
• recognize the formula that is used to calculate the metric for EIGRP configuration, the k-values that are used in determining the metric, how the results are used on a Cisco router, and the use of the DUAL algorithm
• describe feasibility in EIGRP, including feasible distance, feasible successor, the feasible condition, and unequal cost load balancing
• describe EIGRP configuration named mode and classic mode and recognize IPv4 and IPv6 configuration examples
• recognize how to manipulate the path decisions of EIGRP and industry EIGRP DUAL best practices

In this course, you'll first review EIGRP theory and configuration basics that you should already be familiar with. Then, you'll move on to learn how the metric is calculated in EIGRP configuration and how the DUAL algorithm is used. Next, you'll explore EIGRP feasibility and unequal cost load balancing. You'll examine EIGRP named and classic modes with IPv4 and IPv6 configuration examples. Finally, you'll learn how to manipulate EIGRP path decisions and industry EIGRP DUAL best practices. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: EIGRP Stub & BGP Concepts

ENARSI: EIGRP Stub & BGP Concepts

• configure a router for EIGRP stub
• describe the EIGRP stub feature
• describe BGP basic operation within networking
• describe BGP metrics
• describe how BGP is used in networking
• configure a BGP peering
• describe BGP configuration
• describe BGP peerings

In this course, you'll learn about EIGRP stub and why it is critical for EIGRP. Then, you'll move on to review the basic utilization of BGP in networking. Finally, you'll learn about BGP configuration using BGP peerings and route advertisements. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: IP SLA, NetFlow, & Cisco DNA Center Troubleshooting

ENARSI: IP SLA, NetFlow, & Cisco DNA Center Troubleshooting

• identify the information needed to properly verify IP SLA when troubleshooting
• recognize how to configure IP SLA on a Cisco device
• identify the needed configuration to establish a NetFlow
• recognize differences between NetFlow and Flexible NetFlow
• recognize how to troubleshoot Flexible NetFlow configurations
• identify and troubleshoot elements of the Cisco DNA Center
• identify tools to implement the Cisco DNA Center appliance
• recognize Cisco DNA Center capabilities and management areas

The IP SLA feature is another excellent built-in troubleshooting tool, but it can be a little daunting to configure. In this course, you'll learn how to configure and troubleshoot using IP SLA and how to easily access the data you collect. Next, you'll explore NetFlow and Flexible NetFlow, powerful and simple methods for carefully monitoring and tracking the data flows through your Cisco device. You'll learn the required configurations and how to troubleshoot what might be incorrect in your configurations. Finally, you'll examine another valuable troubleshooting tool - the Cisco DNA Center. You'll examine the features that can assist you in troubleshooting and the commands required to properly implement DNA Center itself. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: IPv6 First Hop Security and AAA, ACL, uRPF, & CoPP Troubleshooting

ENARSI: IPv6 First Hop Security and AAA, ACL, uRPF, & CoPP Troubleshooting

• recognize the best practices for configuring AAA services on Cisco devices
• recognize the result of different AAA configuration options on Cisco devices
• identify how to configure and troubleshoot uRPF
• identify tools to troubleshoot ACL behavior
• recognize the benefits and purpose of Unicast Reverse Path Forwarding
• recognize the effective behavior of ACLs
• identify how to verify and troubleshoot CoPP
• recognize how to configure Control Plane Policing
• identify different IPv6 First Hop Security mechanisms
• identify the methods used to create the IPv6 First Hop Security information base
• recall IPv6 addressing fundamentals
• recognize IPv6 First Hop Security mechanisms

We all know that we should set up robust AAA services for our Cisco device management access, but this can be tricky. In this course, you'll learn best practice recommendations for this configuration while exploring common errors and problems. Next, you'll learn how ACLs, including IPv6 traffic filters, can be a very effective access control in your enterprise security approach if you fully understand the tools and can configure them effectively. You'll move on to examine how Control Plane Policing allows you to easily protect your Cisco device from many potential Denial of Service attacks. You'll learn to configure, verify, and troubleshoot CoPP. Finally, you'll review of some IPv6 addressing fundamentals and then explore IPv6 First Hop Security mechanisms that you can use to help build a defense in depth approach to your IPv6 speaking enterprise network. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: MPLS Basic Operations & Layer 3 VPNs

ENARSI: MPLS Basic Operations & Layer 3 VPNs

• describe the encapsulation done by MPLS to facilitate transferring packets over an MPLS cloud
• distinguish between LSRs, LDP, and LSP in an MPLS cloud
• recognize the basic operations performed by MPLS LSR routers
• recognize the components that make up a MPLS encapsulation label
• configure MPLS L3 VPN BGP mutual redistribution
• configure MPLS on a router
• configuring VPN routing and forwarding for use over MPLS
• identify the protocols used on edge devices for MPLS L3 VPN technology
• recall how to create a VPN routing and forwarding route for use with MPLS

MPLS is a very different approach to moving packets through your network. In this course, you'll learn about the basic components that make it function, including LSR, LDP, label switching, and the LSP. Next, you'll learn that the MPLS Layer 3 VPN is a collaboration of several different technologies in order to solve a problem and how it uses VRFs, MPLS, MP-BGP, and your IGP of choice to build a scalable VPN solution. You'll walk you through the construction of a MPLS L3 VPN step-by-step so you can fully understand how each technology element leads to the fully functional solution. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: OSPF Concepts

ENARSI: OSPF Concepts

• identify categories that must match to configure OSPF neighbors
• recognize and recall the ODPF Adjacency States
• work with the OSPF database
• describe how network updates are propagated on OSPF
• recognize how designated and backup designated routers are elected in an OSPF network
• recognize OSPF elections for designated and backup designated routers
• configure OSPF reference bandwidth for cost calculations
• identify how the cost calculation works for OSPF best path selection
• perform a cost override for the OSPF calculation for a single router interface
• configure OSPF to propagate a default route through the network
• recognize how to create OSPF virtual links with areas that are not directly connected to area 0

In this course, you'll review OSPF concepts you should already be familiar with, including commands and configuration. Then, you'll learn about the roles of designated routers and backup designated routers in OSPF. You'll explore OSPF best path selection and how OSPF determines cost. Next, you'll learn how OSPF virtual links can solve issues with areas that aren't directly connected to Area 0. Finally, you'll examine why OSPF networks need default routes propagated through the network. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: Routing Protocol Redistribution, Route Tagging, & Filtering

ENARSI: Routing Protocol Redistribution, Route Tagging, & Filtering

• configuring, verifying, and troubleshooting redistribution
• identify the need for configuring redistribution
• select route types permitted in redistribution
• describe how loops can be addressed in complex routing redistribution scenario
• describe routing redistribution solutions 
• apply a route map to filter routes during redistribution
• configure route tagging and filtering
• configure the tagging routes during redistribution to filter based on the tag

In this course, you'll learn about methods for configuring, verifying, and troubleshooting redistribution. Then, you'll move on to more complex routing redistribution with implementation issues as well as possible solutions. Finally, you'll learn about tagging routes during redistribution and filtering based on those tags. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: Summarization, Policy-based Routing, VRF-lite, & BFD

ENARSI: Summarization, Policy-based Routing, VRF-lite, & BFD

• describe summarization and how it can reduce the size of routing tables, the overhead of table searches, and the size of convergence domains
• describe policy-based routing, how it can be used to override the default behavior of a device, and how it can be used for custom routing actions
• describe VFR-lite and how it can be very useful in smaller enterprises
• recognize how Bidirectional Forwarding Detection can help ensure your networks converge efficiently
• recognize the prerequisites for the proper implementation of Bidirectional Forwarding Detection

In this course, you'll learn about summarization, including how it can reduce the size of routing tables, the overhead of table searches, and the size of convergence domains. Then, you'll move on to look at policy-based routing and how it can be used to override the default behavior of a device. Next, you'll explore VRF-lite and its uses in smaller enterprises. You'll learn about Bidirectional Forwarding Detection and how it can help ensure your networks converge efficiently. Finally, you'll learn the prerequisites for the proper implementation of BFD. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.

ENARSI: Troubleshooting Administrative Distance, Route Maps, & Loops

ENARSI: Troubleshooting Administrative Distance, Route Maps, & Loops

• identify topics and skills covered in the cisco 300-410 exam objectives
• identify how administrative distance can effect routing functions
• identify the effects of modifying administrative distance
• recognize the purpose of administrative distances
• identify how to use route maps in conjunction with routing protocols
• identify the elements that comprise a route map
• recognize how to correctly use route maps
• Describe route loop prevention mechanisms
• identify configurable route loop prevention steps

In this course, you'll explore the objectives for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) exam. You then start to learn about exam topics such as administrative distance, how it effects routing functions, and how it can be used. Next, you'll look at troubleshooting route maps, including when you should use them and how to use them effectively. Finally, you'll learn about loop prevention mechanisms that are built into routing protocols as well as loop prevention steps you can take with your configurations.

Mentoring 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI)

Mentoring 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI)

• Layer 3 Technologies
• VPN Technologies
• Infrastructure Security
• Infrastructure Services

ENSLD: Advanced Design Principles

ENSLD: Advanced Design Principles

• recognize the ability to abstract networks virtually in the overlay and handle the physical layer in the underlay
• recognize the First Hop Redundancy Protocol (FHRP) and the technologies that power HA
• recognize the use of Graceful Restart and Nonstop Routing
• describe Bidirectional Forwarding Detection and its configuration prerequisites
• recognize logical port limits for scalability in layer 2 infrastructure
• recognizing scalability issues and concerns for STP
• work with the number of logical ports in use on a Cisco device
• identify the critical components of a Cisco SD-Access solution
• install DNAC for HA in an SD-Access deployment
• recognize key SD-Access terms and components
• recognize maximum limits for scalability when using DNA Center

We all want high availability in our networks, but what does this really mean? What technologies and techniques can bring high availability to the enterprise? In this course, you'll learn about high availability and some of the tried and true techniques that make it a reality. You'll explore the powerful Layer 2 feature Bidirectional Forwarding Detection along with its key design principles. Next, you'll examine many aspects of designing a successful Layer 2 infrastructure in your enterprise, including important design decisions. You'll learn about the design of the most critical parts of the SD-Access solution, the network underlay and overlay. Finally, you'll explore the complexities of an SD-Access solution and how to ensure components are designed and implemented properly for an SD-Access deployment. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENSLD: BGP Concepts & IPv6 Migration Designs

ENSLD: BGP Concepts & IPv6 Migration Designs

• recognize the types of address families used in BGP
• understand the options available for BGP route filtering
• identify the BGP attributes to control path preference
• understand how to design around iBGP’s split horizon rule
• identify the options for doing load balancing across multiple links in BGP
• Identity the types of migration techniques for IPv6
• recognize the IPv6 migration techniques

Since BGP is so complex, there are many factors to consider when designing a BGP solution. In this course, you'll learn about address families in BGP, which are available since BGP is designed for multiple protocols. You'll then move on to explore popular options for route filtering, the types of attributes available with BGP, and attributes that can be used to manipulate path preference. BGP assumes a full mesh of iBGP peers, which can be a problem for many enterprises today. Next, you'll examine solutions to this problem, including the use of route reflectors in BGP. You'll learn about the default load sharing capabilities of BGP and options for changing these default settings. Finally, you'll explore migration techniques for IPv6 that interoperate seamlessly with IPv4, including dual stack, tunneling, and translation strategies. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENSLD: Designing IPv4 & IPv6 Addressing Plans

ENSLD: Designing IPv4 & IPv6 Addressing Plans

• recognize the areas of enterprise network design
• avoid issues in network addressing by planning
• define an addressing standards plan for subnets
• implement a plan for IP address allocations
• describe the different IPv6 addressing types for an enterprise network
• plan an IPv6 subnet structure for an enterprise network
• work with Unique Local Addressing on an IPv6 network

Being able to successfully plan for an IPv4 addressing deployment is a key skill of the modern network designer. Planning for IPv6 addressing deployment is also a very important skill, especially considering that IPv6 may still be very new and possibly not well understood by many of those on your team. In this course, you'll first review the five main areas of enterprise network design. You'll then move on to learn how to plan IPv4 and IPv6 addressing structures for an enterprise network in a manner that helps to avoid issues and allows your enterprise to scale to meet demands. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENSLD: ENSLD: QoS and Multicast Design

ENSLD: ENSLD: QoS and Multicast Design

• recognize the different approaches to QoS in an enterprise network
• describe design elements for major aspects of policing and shaping traffic using QoS
• describe design elements for the DiffServ approach to QoS including classification and marking
• describe the ToS byte used for DiffServ QoS classification and marking
• describe techniques and technologies to use to protect network management data
• recognize fundamental concepts of multicast routing and PIM-SM infrastructure
• recognize fundamental concepts of multicast routing design and the use of the PIM-DM source distribution
• recognize fundamental concepts of multicast traffic routing
• describe the functionality of the Multicast Source Discovery Protocol (MSDP)
• recognize technologies that assist with multicast design like SSM, PIM-Bidir, and MSDP

There are various overall approaches you can take to QoS in your enterprise network. In this course, you'll learn QoS concepts, with a focus on a differentiated services approach, including modern options for this important set of network services. Network management traffic is critical and should not be ignored in design work for the enterprise, so you'll also explore various techniques for working with network management traffic. Next, you'll learn about designs you can implement for multicast traffic in your routed infrastructure. Finally, you'll examine technologies that assist with multicast design, such as Source-specific Multicast, Bidirectional Protocol Independent Multicast, and Multicast Source Discovery Protocol. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENSLD: ENSLD: Routing Designs

ENSLD: ENSLD: Routing Designs

• recall IS-IS concepts and how they relate to OSPF
• recognize optimization techniques for configuring IS-IS routing
• recognize the IS-IS Router Address and its components
• use IS-IS Route Leaking to avoid suboptimal routing
• recognize design concepts in your EIGRP implementation
• recognize query bounding to prevent EIGRP query delays
• identify configuration elements for creating a scalable and robust OSPF infrastructure
• recognize different OSPF routing designs
• recognize the OSPF routing preference order

IS-IS is making a big comeback, EIGRP is still in use in many organizations, and OSPF is considered the most scalable and advanced protocol we can use for an IGP. In this course, you'll learn about all three. First, you'll examine the techniques behind scalable IS-IS routing designs and have a chance to review key IS-IS concepts. Next, you'll move on to learn about key design concepts that can help ensure your EIGRP implementation is successful. Finally, you'll also explore the techniques for building a scalable and robust OSPF infrastructure. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENSLD: The YANG Model & Model-driven Telemetry

ENSLD: The YANG Model & Model-driven Telemetry

• describe YANG and it use in networks
• differentiate between NETCONF and RESTCONF
• recognize the differences between NETCONF and RESTCONF in managing and configuring a Cisco network
• describes Cisco’s model-driven telemetry and the two modes, Dial-in and Dial-out

You may have heard that YANG is a very important technology when it comes to your Cisco network today. But what is YANG and why should you care? In this course, you'll learn the answer. You'll also explore the two protocols that can leverage YANG in order to ease your administration in the Cisco network - NETCONF and RESTCONF. Then, you'll move on to examine the concept of telemetry, which is the collection of measurements from devices and the transport of this data to receiving equipment for monitoring. Finally, you'll learn about Cisco's Model-driven telemetry and its two options of Dial-in and Dial-out mode. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENSLD: WAN, VPN, & SD-WAN Design

ENSLD: WAN, VPN, & SD-WAN Design

• recognize the design decision criteria that should be used in the decision process
• recognize the use of MPLS Layer 3 VPN for connecting customer edge, provider edge, and provider (core) equipment
• recognize the use of the MPLS VPNv4 prefix for managing traffic
• recognize the designs and motivations for VPNs
• recognize the different VPN solutions
• recognize the design of many High Availability WAN options
• describe the Cisco architecture technologies available for SD-WAN
• describe the components of the Viptela technology for SD-WAN
• design SD-WAN implementations based on best practices
• work with SD-WAN infrastructure

There are so many options when it comes to delivering user and management traffic over the WAN. In this course, you'll explore WAN design options and the key design decisions you must make. The overwhelming need for and popularity of the VPN in today's enterprises is marked by the fact that there is so many variations. You'll next examine the designs and motivations for many different VPN types. WANs typically are mission critical, so you'll also learn about designing high availability options. The SD-WAN is becoming increasing popularity, so you'll look at the traditional WAN challenges it can solve. Finally, you'll explore why SD-WAN is so important, architecture design elements, and design best practices. This course can be used in preparation for the 300-420: Designing Cisco Enterprise Networks (ENSLD) certification exam.

ENCOR: Access Control & REST API Security

ENCOR: Access Control & REST API Security

• configure aaa authentication
• recognize how aaa authentication functions
• understand different types of password protection available
• recognize how to build a CoPP policy
• recognize the logic used in CoPP constructs
• understand how ACLs are processed
• recognize how Token based authentication works with REST APIs
• recognize the HTTP status codes returned when using REST APIs
• understand why APIs are used in networking

Keeping your network secure is incredibly important. In this course, you'll learn about password protection and setting up AAA on your device. You'll explore how CoPP helps to protect access to the control plane and how to configure ACLs. You might have heard that APIs make the cloud-centric world go around and this is certainly true. To finish this course, you'll learn why APIs are so important and options for securing them. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: Device & Path Virtualization Technologies

ENCOR: Device & Path Virtualization Technologies

• describe virtualization technologies
• identify popular virtualization options
• recognize the types of hypervisors
• identify the purpose of Virtual Routing and Forwarding functionality
• implement path virtualization in your enterprise
• implement path virtualization in your enterprise using VRF
• verify a VRF configuration on a Cisco device

In this course, you'll learn about the critical virtualization topics that are so popular today, such as hypervisors, virtual machines, and virtual switching technologies. You'll then move on to explore how to implement path virtualization in your enterprise using the Virtual Routing and Forwarding (VRF) functionality of Cisco devices. VRFs fulfill many important roles in networks today, including the enablement of software-defined functionality. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: eBGP & BGP

ENCOR: eBGP & BGP

• configure an EBGP peering using a loopback IP
• differentiate between eBGP and iBGP peerings
• verify a BGP peering
• identify the different states of a BGP neighbor peering
• understand how to troubleshoot a BGP peering
• understand how to advertise a prefix in BGP
• understand how to redistribute routes into BGP
• configure a route-map to alter BGP path selection
• recognize the usage of the WEIGHT parameter for path selection in BGP
• understand the best path selection criteria used in BGP
• recognize the administrative distance of the BGP protocol
• recognize the BGP status codes
• recognize the use of the ebgp-multihop command

In this course, you'll learn how to configure and verify eBGP peerings in your enterprise network, with valuable guidance on best practice eBGP peering configurations and verifications. You'll move to on explore the neighbor states of BGP. Knowing these states can not only prove critical in the exam, but more importantly, can ensure that you are ready for advanced troubleshooting you might need to perform on your BGP peerings. Next, you'll examine how to advertise IPv4 prefixes in eBGP, including the network statement method and redistribution. You'll explore the complex Cisco-based BGP Best Path Selection Algorithm, which is critical for you to understand the pathing options and manipulations you can make with BGP. Finally, you'll review some of the key points you should know about eBGP. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: First Hop Redundancy Protocols & Multicast

ENCOR: First Hop Redundancy Protocols & Multicast

• configure the First Hop Redundancy Protocol HSRP
• describe First Hop Redundancy Protocols like HSRP
• identify the basics of First Hop Redundancy Protocols like HSRP, VRRP, and GLBP
• recognize First Hop Redundancy Protocols
• identify features of multicast for sending traffic
• recognize how Reverse Path Forwarding (RPF) is configured
• recognize IGMP versions used for sending data
• recognize the available options available for sending data in IPv4

In this course, you'll learn the ins and outs of First Hop Redundancy Protocols like HSRP, VRRP, and GLBP. In addition, you'll explore methods for sending data in IPv4, such as unicast, multicast, broadcast, and anycast, with additional focus on multicast information you should be familiar with. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: LISP & VXLAN

ENCOR: LISP & VXLAN

• describe the characteristics of LISP
• identify the information contained in the LISP database
• identify the network characteristics of a network that could best utilize LISP
• identify the options available for a LISP deployment
• describe the value of VXLAN
• identify situations where VXLAN technologies can be implemented

There is a new use for LISP in Cisco networking. This dynamic pull-like protocol is a key element of the SD-Access solution from Cisco. In this course, you'll learn about LISP and the important role it plays in SD-Access. You'll then move on to explore the various components that make up the LISP architecture. Next, you'll examine LISP deployment options. Finally, you'll learn about an exciting new technology called VXLAN and how it solves many potential issues in the modern network. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: Network Programmability, EEM, & Orchestration Tools

ENCOR: Network Programmability, EEM, & Orchestration Tools

• identify JSON Key-Value pair components and structure
• recognize JSON components and their use in the JSON data format
• recognize the benefits of using Python for programmatically working with Cisco devices
• use Embedded Event Manager to manually run a network event detection applet
• work with Embedded Event Manager and Tcl scripts on Cisco devices
• describe the components and features of orchestration tools
• identify the correct version of Chef to use based on the environment
• recognize features of orchestration tools like Puppet, Chef, and SaltStack
• use Ansible to run a command to update a device

Programmability is a hot, new topic for Cisco Systems. In this course, you'll learn about YANG, JSON, and Python - all critical components in the push to network programmability for Cisco. You'll examine the Embedded Event Manager and how it provides real-time network event detection and onboard automation. Next, you'll move on to explore great tools you can leverage for network automation like Puppet, Chef, Ansible, and SaltStack. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: NTP, NAT, & PAT

ENCOR: NTP, NAT, & PAT

• configure a Cisco network device to get the time from an NTP server from the command line
• use command line tools to get the status of the NTP synchronization on a Cisco device
• work with the command line to set the a Cisco Device to be an NTP authoritative master for a network
• configure a Cisco device to do RFC 1918 network address translation
• identify the Cisco terminology used for managing network and port address translations
• work with network and port address translation on an IPv4 network that permits RFC1918

It is critical that you understand the Network Time Protocol and its importance in the modern network. In this course, you'll learn about this protocol and why it is so important to use to keep time accurate in your enterprise network. You'll also explore a simple configuration in which a Cisco device serves as the authoritative time source and provides this time to other devices on the network. You'll also learn about Network Address Translation, a critical technology in IPv4 networks that permits RFC 1918 addressed systems to access global Internet resources. Finally, you'll examine the function and importance of Port Address Translation. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: OSPF LSAs, Features, & Troubleshooting

ENCOR: OSPF LSAs, Features, & Troubleshooting

• configure OSPF routing in a given scenario
• configure OSPF routing using the router config commands
• describe Link State Advertisements (LSAs)
• use show commands to verify link states between OSPF routers
• describe OSPFs use of LSAs
• identify the OSPF route types
• recognize OSPF areas
• configure OSPF features
• describe additional features of OSPF and how to configure them
• troubleshoot a common OSPF issue
• troubleshoot common OSPF issues that can arise
• troubleshoot OSPF neighbor state issues

CCNP candidates need to be very familiar with OSPF LSAs. In this course, you'll learn how to configure OSPF routing using the router config commands and the ip ospf area command on the interface. You'll also see how OSPF stores routes in the OSPF database. Next, using show commands, you'll learn the different Link State Advertisements shared between OSPF routers. You'll move on to explore how to keep OSPF efficient and how OSPF handles redistributed routes into the OSPF autonomous system. Finally, you'll examine additional features of OSPF, including how to configure them and IGP-specific features, and how to effectively troubleshoot many common issues that can arise. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: Overview, Enterprise Network Design, & High Availability

ENCOR: Overview, Enterprise Network Design, & High Availability

• recognize which topics are covered in the certification
• recognize which technologies are covered in each course module
• understand the important topics within the Virtualization module
• describe the classic 3-tier hierarchical network design
• recognize the benefits of fabric-based networks
• recognize the characteristics of a spine-leaf architecture
• recognize components of highly available networks
• recognize high availability methods in network design
• recognize which HA techniques are used at each OSI layer

This series of courses is designed to help you prepare for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam. Not only will these courses help you prepare for the exam, but they'll also help to ensure you have the core knowledge and skillset you need to be successful in implementing Cisco technologies while working in an enterprise network environment. In this first course, you'll familiarize yourself with the topics covered in the official exam blueprint from Cisco, including architecture, virtualization, infrastructure, network assurance, security, and automation. Then, you'll move on to explore Cisco classic and modern network design principles and techniques for implementing high availability in enterprise networks.

ENCOR: Path Virtualization Technologies & Troubleshooting

ENCOR: Path Virtualization Technologies & Troubleshooting

• understand how to configure a GRE tunnel
• understand the benefits of GRE tunneling
• configure the pre-shared key for an IPsec tunnel
• recognize the commands used to verify IPsec tunnels
• understand how to configure an IPsec tunnel policy
• understand the steps required to configure an IPsec tunnel
• recognize how to avoid fragmentation
• recognize the behavior of GRE and packet fragmentation

GRE is often used for its simple and flexible approach to solving many potential pathing issues. In this course, you'll learn to configure and verify GRE tunnels for various path virtualization needs. Then, you'll move on to explore how to configure and verify IPsec tunnels in your infrastructure. IPsec tunnels are another example of a powerful path virtualization technology and this feature permits the application of many levels of security. Lastly, you'll look at how to troubleshoot common problems that can arise with path virtualization technologies. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: QoS & Cisco Express Forwarding

ENCOR: QoS & Cisco Express Forwarding

• differentiate between different approaches to QoS
• identify how classification occurs when using DiffServ QoS
• recognize the different options available for marking traffic
• recognize the events that cause network degradation
• recognize the difference between congestion management and avoidance
• understand the available congestion management methods
• understand the wireless QoS DSCP markings and which traffic it should apply to
• recognize the way Cisco Express Forwarding operates
• understand the components of CEF
• understand the different templates available on cisco switches

In this course, you'll learn the basics of wired and wireless QoS and the options you have for its implementation. You'll move on to explore the different mechanisms used to act on traffic in DiffServ environments. Finally, you'll examine Cisco Express Forwarding, the technology that makes current Cisco devices so incredibly efficient at moving traffic. You'll walk through CEF components and examine them on typical Cisco devices. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: RSTP, MST, & Routing Concepts

ENCOR: RSTP, MST, & Routing Concepts

• configure root bridges in an RSTP infrastructure
• configure RSTP
• verify RSTP configuration
• configure MST instances
• describe the methodology used by MST to handle layer 2 traffic patterns
• identify key benefits of using the MST protocol
• verify MST configuration
• differentiate between methodologies used by different IGP
• differentiate between routing protocols
• identify unique advantages of different IGPs

In this course, you'll learn how to configure and verify RSTP - the default version of STP found on many Cisco switches today. You'll also learn how to configure and verify MST, another STP mode configuration, and why you would use it. Lastly, knowing the differences between different routing protocols is critically important and this course should provide you with a renewed appreciation for the options available today in IGPs. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: SPAN, IP SLA, SDN, & Remote Device Configuration

ENCOR: SPAN, IP SLA, SDN, & Remote Device Configuration

• configure and use SPAN to monitor an interface on a Cisco device
• configure RSPAN for use over a virtual lan
• describe how to get results from an IP SLA test on a Cisco device
• work with the IP SLA feature to start and control a test
• recognize the functionality provided by the Cisco DNA Centre controller used for life cycle management of Cisco devices
• use Cisco DNA Center to manage your devices
• recognize the data format encodings used by RESTCONF
• work with NETCONF and RESTCONF on a network

In this course, you'll learn the commands used to configure the use of SPAN in its different implementations and how to verify that configuration. You'll then move on to examine the IP SLA feature found in most Cisco devices and the IP SLA Responder feature. Next, you'll explore software-defined networking and the Cisco controller approach for device life cycle management. Finally, you'll learn how NETCONF and RESTCONF were invented to make configuration of remote devices very simple and how RESTCONF is a great enhancement over NETCONF since it makes the configuration using a RESTful approach. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: Troubleshooting Tools, System Logging, & NetFlow

ENCOR: Troubleshooting Tools, System Logging, & NetFlow

• configure SNMPv3 to allow secure management of a Cisco device
• use the debug command to activate or deactivate debugging on a Cisco device
• use the troubleshooting tool ping to identify if a host is reachable
• use traceroute to determine which device between you and a device is causing a break in the communication
• configure a Cisco device to send log messages to a Syslog server
• configure and manage the system logging
• configure NetFlow for logging to a remote device
• interpret system NetFlow logging configuration and messages

There are many things that can go wrong in today's networks. Fortunately, Cisco provides many classic troubleshooting tools that are built right into the software powering your devices. In this course, you learn about using ping, traceroute, debugs, traditional debugs, and SNMP. You might not need all of these tools all of the time, but having them as options is extremely important. Next, you'll move on to learn about Cisco system logging (syslog). You'll discover how to view syslog status messages at the command line and how to configure it to send messages to an internal buffer or a remote server that is designed to collect all of these messages. Finally, you'll examine a powerful packet analysis tool on your Cisco devices called NetFlow. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: VTP and Troubleshooting 802.1Q & EtherChannel

ENCOR: VTP and Troubleshooting 802.1Q & EtherChannel

• describe the use of the VLAN Trunking Protocol
• troubleshoot a VLAN Trunking Protocol issue
• identify 802.1Q troubleshooting commands
• troubleshoot 802.1Q issues in your network
• troubleshoot an 802.1Q trunking issue
• describe EtherChannel best practices for troubleshooting techniques for Layer 2 and 3 EtherChannels
• recognize troubleshooting commands for Layer 2 and Layer 3 EtherChannels
• recognize troubleshooting techniques for Layer 2 and Layer 3 EtherChannels

In this course, you'll learn about the VLAN Trunking Protocol, the management of VLANs on the network, and the potential dangers of this protocol. Next, you'll discover how to troubleshoot 802.1Q in your environment. You'll discover troubleshooting techniques to help ensure smooth operation at Layer 2 in your infrastructure. Finally, you'll examine troubleshooting both Layer 2 and Layer 3 EtherChannels, as well as those that are statically and dynamically created. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: Wireless & Network Security

ENCOR: Wireless & Network Security

• identify main security features of wireless networks
• recognize security features inside the WPA2
• describe new security devices and technologies
• describe new security technologies
• identify new security devices and technologies
• describe Cisco TrustSec
• describe MACsec
• describe NAC

In this course, you'll learn about the main security features of wireless so you'll be ready for the many new security devices and technologies that Cisco Systems is busy creating and supporting. You'll move on to examine Firepower NGFWs and NGIPS systems. Next, you'll learn about Cisco TrustSec and how it can simplify and add power to the security strategy of your organization. This permits you to add new security paradigms and permits the network to be more dynamic. Finally, you'll also explore MACsec and NAC. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: Wireless Roaming & Troubleshooting

ENCOR: Wireless Roaming & Troubleshooting

• configure wireless roaming
• identify Wireless LAN Controller (WLAN) authentication options for roaming clients
• identify how to troubleshoot a common wireless connection issue
• troubleshoot a common wireless issue

Your users expect to be able to roam through the enterprise and not lose their wireless connection. This can be trickier than it sounds, especially with intercontroller Layer 3 roams. In this course, you'll learn how to configure and troubleshoot this expectation. You'll also explore tools for troubleshooting the Cisco WLAN environment, the overall approaches you should consider, and the common issues that occur. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: WLAN Deployment, SD-WAN, & SD-Access

ENCOR: WLAN Deployment, SD-WAN, & SD-Access

• describe distributed wireless deployments in the enterprise
• identify wireless deployment models used in the enterprise
• select an enterprise wireless deployment model
• describe cloud and Cisco AWS infrastructure deployments
• differentiate between on-prem and cloud infrastructure deployments
• describe SD-WAN solution elements
• describe traditional WAN and SD-WAN requirements
• identify the types of SD-WAN solutions
• describe SD-Access solution components
• describe the SD-Access solution and its components
• identify components of the SD-Access solution

There are many options for deploying Cisco WLAN solutions. In this course, you'll learn about important wireless deployment models that you might use in the enterprise. You'll also examine how Cisco equipment can be used for location services in the WLAN. Next, you'll explore the differences between on-prem and cloud infrastructure deployments, including sample Cisco AWS deployment options and their costs. Finally, you'll learn about traditional WAN and SD-WAN solutions and the SD-Access solution and its many components. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

ENCOR: WLAN Layer 1 & Access Point Concepts

ENCOR: WLAN Layer 1 & Access Point Concepts

• identify causes of interference in Wi-Fi networks
• identify the channels and bands used in Wi-Fi networks
• recognize standards in Wi-Fi networks
• describe Cisco access points
• describe the modes in which access points can operate in within the WLAN
• identify the modes in which a WLAN access point can operate in
• identify the states that Cisco access points transition through during startup

Before you can effectively implement and troubleshoot wireless LANs, you need to understand the basics of how they function at a low level. In this course, you'll learn the basics of Layer 1 principles in Wi-Fi networks. You'll discover how Cisco WLAN access points tend to be very flexible, and some even permit either autonomous or lightweight operation in a single device. Finally, you'll examine important concepts involving these critical access layer devices. This includes a look at the many different modes of operation they can work with. This course can be used in preparation for the 350-401: Implementing and Operating Cisco Enterprise Network Core Technologies certification exam.

Mentoring Mentoring 350-401 Implementing Cisco Enterprise Network Core Technologies (ENCOR)

Mentoring Mentoring 350-401 Implementing Cisco Enterprise Network Core Technologies (ENCOR)

• Architecture
• Virtualization
• Infrastructure
• Network Assurance
• Security
• Automation