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IS-IS videos for the Juniper JNCIS-SP JN0-360 certification exam
IS-IS - INTRODUCTION
ISIS protocol overview, introduction to the CLNS addressing, routing levels and general operation of the ISIS routing
IS-IS - CLNS ADDRESSING
CLNS addressing structure, how a NET addresses is built for integrated ISIS and the two most common ways to structure a NET address (using loopbacks and mac)
IS-IS - CLNS ROUTING
In this video we explore how routing is done following the ISO CLNS routing model and how it is done today with integrated IS-IS, general intra area routing and the implementation of the backbone
IS-IS - MESSAGES
In this video we are going to analyze the ISIS messages - PDU (Hello, LSP, PSNP and CSNP), what is their function and when are they sent
IS-IS - ADJACENCIES AND DB SYNCHRONIZATION
In this video we go into the detail behind the formation of ISIS adjacencies in both broadcast and point-to-point network types, the steps the protocol go through, database synchronization and general state knowledge for troubleshooting
IS-IS - JUNIPER BASIC CONFIGURATION
Basic verification and configuration procedures for ISIS in JUNOS Juniper devices.
IS-IS - NETWORK TYPES
IS-IS handles two types of networks: broadcast and point-to-point. In this video we will see how the protocol works with this two different types and their implications
IS-IS - JUNIPER BROADCAST AND POINT-TO-POINT NETWORK TYPES
In this video we explore how to configure, verify and troubleshooting the broadcast and point-to-point network types on Juniper JUNOS devices
IS-IS - TIMERS
In this video we are going to explore how the ISIS basic timers work: hello interval, hold time and the CSNP interval, but also we are going to attack timers related to the SPF calculation (LSP timers)
IS-IS - JUNIPER TIMERS
How to configure and verify the basic ISIS timers (hello, hold and CSNP) and LSP related timers on Juniper JUNOS devices
IS-IS - JUNIPER MULTI AREA
In this video we are going to see the configuration and verification procedures for integrated IS-IS in a multi area topology, we are going to analyze how inter area routing is done and the different elements that interact in this kind of setup
OSPF videos for the Juniper JNCIS-SP JN0-360 certification exam
OSPF - INTRODUCTION
Introduction to Link State protocols and how they compare with distance vector, general overview on the OSPF routing protocol, its performance, metric and the mechanisms that allows OSPF to scale
OSPF - ROUTER ID
In this video we analyze the function of the router-id in OSPF, why is a key element in the SPF calculations, its role on the LSA advertisements and what may happen if we found the same router-id on two devices not directly connected
OSPF - INTRODUCTION TO AREAS
In this video we the function of the areas, how the protocol behaves when dealing with multiple areas, and a high level overview on how the protocol advertises information between areas
OSPF - ROUTER CLASSIFICATION
In this session we define what are the: Internal Routers, Area Border Routers (ABR), Backbone Routers and AS Boundary Routers (ASBR)
OSPF - ADJACENCY ESTABLISHMENT
Description of how OSPF adjacencies are formed, the OSPF FSM, analysis on the parameters that must match or be equal for two devices to reach the FULL state
OSPF - BEHAVIOUR ON MULTIACCESS SEGMENTS
Introduction to OSPF behaviour in multi-access segments. We will provide an overview on how the DR/BDR work and why OSPF uses this kind of mechanisms
OSPF - INTRODUCTION TO LSA
Function, structure and types of LSA used by OSPF for the exchange of information
OSPF - JUNIPER BASIC CONFIGURATION
Basic configuration of OSPF on Juniper JUNOS devices on a multi-area topology, including the most common verification and troubleshooting methods.
OSPF - HELLO AND DEAD INTERVALS
Operation Hello and Dead interval. How they behave in different types of networks and their influence on the formation of adjacencies.
OSPF - JUNIPER HELLO AND DEAD INTERVALS
In this video we configure, verify and troubleshoot the OSPF hello and dead timers on Juniper JUNOS devices, we go through all the consideration you should have in mind when working with them and the most common problems
OSPF - POINT-TO-POINT AND POINT-TO-MULTIPOINT NETWORK TYPES
OSPF point-to-point and point-to-multipoint Network types. How they behave, implications and default timers
OSPF - BROADCAST AND NON-BROADCAST NETWORK TYPES
Operation of the OSPF broadcast and non-broadcast network types, selection of the DR / BDR roles and overall operation.
OSPF - LSA TYPE 1 AND 2
In this video we go into the operation details of the OSPF LSA 1 (router LSA) and LSA 2 (network LSA), what information they represent and contain and their impact on the general performance of the OSPF routing protocol
OSPF - LSA TYPE 3
In this session we explore in detail the operation of the Summary LSA (Type 3), what information they represent and contain, together with the details of how OSPF routers calculate the metric.
OSPF - LSA TYPE 4 AND 5
Details on how the OSPF LSA 4 (ASBR-Summary) and LSA 5 (External) operate and what information they contain. We'll take special attention into how the calculations are made to reach external routes.
OSPF - LSA TYPE 7
Operation of LSA Type 7 on NSSA areas. How translation is performed by the ABR's from a LSA Type 7 to a LSA type 5 and the calculations performed with the forward address to get the metric to any specific route
OSPF - BACKBONE AND REGULAR AREAS
In this session we analyze the operation of the area 0 (backbone) and regular areas, what optimization they provide and the benefit of using multiple areas
OSPF - STUB AND STUB NO SUMMARY AREAS
In this video we explore how stub and totally stub areas (stub no-summary) work, what OSPF LSA they filter and how OSPF provide connectivity to the routes that are lost with this LSA filtering
OSPF - NSSA AND NSSA NO SUMMARY AREAS
We explore in this session the operation of NSSA and totally NSSA areas (NSSA no-summary) what LSA types they filter, how Type 7 LSA are translated to Type 5 LSA and how routing is done within these areas
OSPF - JUNIPER STUB AREAS
In this video we go through all the configuration and verification process of all area types in OSPF on Juniper JUNOS devices. You'll see all the LSA and database details when working with stub, totally stub (stub no-summary), NSSA and totally NSSA (NSSA no-summary) areas
OSPF - JUNIPER COST MODIFICATION
In this video we are going to see how we can change and verify the cost of a link on a router running Juniper JUNOS
OSPF - AUTHENTICATION
In this video we go deep into the details behind the operation of the OSPF authentication, authentication types and their implications
OSPF - JUNIPER AUTHENTICATION
Configuration, verification and troubleshooting of OSPF authentication in Juniper JUNOS devices
BGP videos for the Juniper JNCIS-SP JN0-360 certification exam
BGP - INTRODUCTION
In this video we will provide an introduction to BGP, its philosophy and operation at a very high level. We'll see concepts like the mechanics of Path vector protocols, BGP conceptual differences with IGP's and an introduction to the use of attributes for routing.
BGP - MESSAGES
In this session we explore the different messages used by BGP to establish sessions, warn of possible errors, exchange information and keep up sessions. These messages are: OPEN, NOTICE, UPDATE and KEEPALIVE.
BGP - SESSIONS AND FSM
In this video we will see how sessions are established between two endpoints running BGP. Analyze the implications of using TCP as the transport protocol and the BGP Finite State Machine.
BGP - JUNIPER SESSION ESTABLISHMENT
In this session we explore the implications and considerations that need to be taken into account when configuring BGP sessions on Juniper JUNOS devices, special focus is given to the verification and troubleshooting procedures.
BGP - CAPABILITIES
This video will show you what are the capabilities of BGP, how they are negotiated and represented in the BGP OPEN message. We will pay special attention to one of the most important capability: Multiprotocol Extension.
BGP - ATTRIBUTES
In this session we will explore the different types of attributes that BGP uses, we will see what are the characteristics and scope of each of them, along with some examples.
BGP - AS PATH
In this video we will look at how the autonomous systems numbers are structure, the operation of the AS-Path attribute, introduction to using private autonomous system number and the numbers of 4 bytes
BGP - BEST PATH SELECTION ALGORITHM
In this video we explain the BGP decision algorithm. We will go through each of the path selection steps that the protocol takes to select which of the different paths received is the best.
BGP - JUNIPER IPV4 NLRI ADVERTISEMENTS
Video dedicated to show you how to advertise Network Layer Reachability Information of IPv4 networks using Juniper JUNOS devices.
BGP - IBGP SESSIONS
In this video we will explore how iBGP sessions work. We will focus on the implications of these sessions in terms of next-hop, the advertisements between iBGP sessions, the AS-Path management and synchronization.
BGP - JUNIPER IBGP SESSIONS
This session focus on the configuration and verification procedures of iBGP sessions for Juniper JUNOS devices, we take special care of characteristics like Next-Hop management and the prefix advertisements between iBGP neighbors.
BGP - EBGP SESSIONS
In this video we will explore eBGP sessions, the controls that the protocols implements for session establishment, TTL considerations and Next-Hop management.
BGP - JUNIPER EBGP SESSIONS
In this video we explore the configuration and verification procedures for eBGP sessions on Juniper JUNOS devices.
BGP - AUTHENTICATION
In this video we will explore the different BGP authentication methods, concentrating on the authentication provided by the transport layer (TCP) using MD5 and its implications.
BGP - JUNIPER AUTHENTICATION
This session is dedicated to the configuration of TCP MD5 authentication on Juniper JUNOS devices and the verification / troubleshooting procedures of this security method
MPLS videos for the Juniper JNCIS-SP JN0-360 certification exam
MPLS - INTRODUCTION
Introduction to MPLS, what are the most common problems solved with this technology and general overview on how MPLS labels are structured and used to switch traffic
MPLS - LABEL FORMAT
In this video we go through the details behind the MPLS labels structure, the functions behind each field on the header, numbering used in the labels and details on the meaning of a few reserved label numbers
MPLS - CONVERGENCE
How convergence is achieved in a MPLS network and what are the elements that are involved. We'll describe how the IGP, LDP, different router tables, work together to provide us forwarding, among other topics.
MPLS - LABEL SPACE AND ALLOCATION
In this video we go through the details behind the label space and label allocation. We'll explore concepts like: per-platform, per-interface, cell mode and frame mode
MPLS - LABEL DISTRIBUTION
In this video we detail the MPLS label exchange process for LDP, how labels are communicated and processed for the different destinations in our MPLS network and messages used
MPLS - LABEL SWITCHING
In this video we explore how label switching is done in a MPLS network and how packets are handled and processed by each hop. We will also introduce most of the naming conventions used to describe the elements and process involved
MPLS - JUNIPER BASIC CONFIGURATION
Details on how Juniper approaches MPLS, label assignment and the different tables (special focus on inet.3). Basic MPLS Configuration and verification methods on Juniper JUNOS devices.
MPLS - JUNIPER LDP ROUTER-ID
How Juniper selects a LDP router-id when no manual configuration is done. Configuration and verification methods to manuallt modify the router-id on Juniper JUNOS devices
MPLS - JUNIPER EXPLICIT NULL
In this session we show you how to change the default behavior of Juniper JUNOS of sending Implicit null labels for directly connected routes (PHP), to Explicit Null.
MPLS VPN videos for the Juniper JNCIS-SP JN0-360 certification exam (work in progress, more videos coming soon)
MPLS VPN - INTRODUCTION
Introduction to MPLS VPN, the problems that solves, the elements that conform it and how to build this service over a MPLS backbone to provide connectivity to different customers and branches
MPLS VPN - ARCHITECTURE
Description of the elements involved in an MPLS VPN and how they interact. We are going to focus in this video on concepts like: Tables, protocols, types of routers (nomenclature), MPLS control plane and data plane (forwarding).
MPLS VPN - ROUTE DISTINGUISHER
Detailed description on what is the route distinguisher (RD), its function and why is so important on MPLS VPN's. We are also going to describe its structure, nomenclature and the best practice for the assignment of this number
MPLS VPN - ROUTE TARGET
In this video we explore the function of the route target BGP extended community, its role on the MPLS VPN's networks, structure, nomenclature and two identification assigment best practices
MPLS VPN - JUNIPER VRF
In this session we will explore the configuration and verification steps to build VRFs into a Juniper JUNOS router. The VRF setup will allow us to have independent routing tables for the different MPLS VPNs we have with our customers.
MPLS VPN - JUNIPER MP-BGP
MP-BGP is a key element when working with MPLS VPN. In this video we show you how to configure and verify MP-BGP on Juniper JUNOS devices.
MPLS VPN - JUNIPER PE-CE COMMUNICATION USING STATIC ROUTES
In this session we describe the necessary steps to configure and verify static routes in a MPLS VPN environment to achieve communication between the PE-CE devices in all the customer branches routes.
MPLS TE videos for the Juniper JNCIS-SP JN0-360 certification exam (work in progress, more videos coming soon)
MPLS TE - INTRODUCTION TO TRAFFIC ENGINEERING
Introduction to MPLS Traffic Engineering, general objectives, what problems it solves, how does it works and how its implemented (Introduction to TE tunnels)
MPLS TE - CBR
How shortest path calculations are performed based on Constraint-Based Routing (CBR) when additional flow requirements needs to be satisfied. How the Constrained Shortest Path First (CSPF) algorithm works and operates.
MPLS TE - RSVP
In this video we explore how Resource Reservation Protocol (RSVP) works and operate, its messages and structure and how it fits inside the MPLS traffic engineering model
MPLS TE - JUNIPER STATIC ERO LIST LSP
In this video we explore how to configure and verify static traffic engineering tunnels using ERO lists on Juniper JUNOS devices
MPLS TE - JUNIPER LSP PREEMPTION
When using MPLS TE, the setup and reservation priorities are critical when working with more than one LSP, in this video we show you how they work, and the configuration and verification procedure on Juniper JUNOS devices.
MPLS TE - JUNIPER PREFIX MAPPING TO A LSP
By default in Juniper JUNOS the LSPs build in our network are only used to resolve the next-hop of BGP sessions, if we want a particular traffic to use an LSP we need to map the prefix, in this video we show you how to achieve this goal.
RIP is no longer part of the JNCIS certification. But you are expected as a JNCIS to know it very well, if you don't know all the details behind RIP you should see this videos
RIP - INTRODUCTION
Introduction to the general operation of the RIP protocol, quick view on the operation of timers, protection against loops, advertisements, among other topics.
RIP - LOOP AVOIDANCE MECHANISMS
In this video we discuss in detail the different mechanisms that RIP have in place to prevent loops.
RIP - JUNIPER BASIC CONFIGURATION
Procedure to configure, verify and maintain RIP on Juniper JUNOS devices as well as the steps needed to resolve and detect potential problems in the setup.
RIP - TIMERS
This video will show you each of the RIP timers, their function and how they affect the performance and convergence of the protocol.
RIP - JUNIPER TIMERS
This video presents how Juniper implements the RFC RIP timers and the implications we have to take into account when another vendor device is in the domain. We will also see how to configure, verify, and troubleshoot RIP basic intervals on Juniper JUNOS.
RIP - AUTHENTICATION
How does the authentication in RIP works and the different types it uses
RIP - JUNIPER AUTHENTICATION
This video shows the steps need to configure, verify, and troubleshoot RIP authentication on Juniper JUNOS.
RIP - JUNIPER ROUTE FILTERING
In this video we discuss how we can filter RIP routes in Juniper JUNOS, and the procedure we should follow to verify and troubleshoot it.
RIP - JUNIPER METRIC OFFSET
This video will show the procedure needed to increase the metric of a RIP route when it is sent to other neighbors. With this change we can force other neighbors to take a different routing decision or simply avoid the route from being installed on a neighboring table
RIP - JUNIPER DEFAULT ROUTE
In this video we will see how we can generate a default route into RIP on Juniper JUNOS devices and the verification procedure.
RIP - JUNIPER CONDITIONAL DEFAULT ROUTE
In this video we will see how we can announce a default route into our RIP domain only when a specific condition is met on Juniper JUNOS devices.
RIP - JUNIPER SUMMARIZATION
In this video we will discuss how to create an announcement that is a summarization (aggregate) of specific prefixes. We will follow the steps to configure and verify proper operation.