CCNP - Cisco Certified Network Professional : مدرك رده بالای مهندسی شبكه است. افرادی كه صاحب مدرك مذكور شوند قادر خواهند بود شبكه‌های بزرگ كامپيوتری كه بين صد تا بيش از پانصد كامپيوتر دارند، را نصب، پيكربندی و عيب‌يابی نمايند. شخصی كه به دريافت مدرك CCNP نايل می‌شود از لحاظ رده شغلی در ميان تمام شغل‌هايی كه مربوط به مهندسي شبكه و خصوصاً نصب راه‌اندازی شبكه با استفاده از تجهيزات سيسكو می‌شود، در رده دوم يعنی پس از مدرك CCIE كه مربوط به مشاوران حرفه‌ای سيسكو است قرار می‌گيرد. كارشناس شبكه با ارتقای مدرك خود از CCNA (پيش‌نياز) به CCNP نه تنها تسلط خود  بر مباحث مربوط به شبكه‌های LAN و Dial up را افزايش مي‌دهد بلكه از محدوده شبكه‌های محلي با كاربرد كوچك خارج شده و توانايی خود را در راه‌اندازی شبكه‌های WAN تثبيت می‌كند. ميانگين درآمد دارندگان مدرك CCNP در سال 2009 برابر 81 هزار دلار در سال بوده است.

Train Signal - Cisco BSCI 642-901 : در اين دوره، نحوه اتصال و استفاده از روترهای سيسكو در شبكه‌های LAN و WAN براي سايت‌های متوسط تا بزرگ آموزش داده مي‌شود. در اين دوره مباحث جامعي در زمينه پروتكل‌هاي EIGRP ،BGP ،EGP ،OSPF و ISIS مطرح شده و داوطلبان با دو نوع پروتكل مسيريابي به نام‌هاي Distance Vector و Link State آشنا شوند. با اتمام اين دوره، داوطلب مي‌تواند سرويس‌هاي IOS مناسب يك روتر سيسكو را انتخاب و راه‌اندازی نمايد.

Video 1
Introduction to BSCI
This is an introduction to instructor, Chris Bryant, and the BSCI course. The course outline is covered. Information is reviewed from CCNA videos, plus new and advanced topics are covered.
* Meet your instructor Chris Bryant
* Course Outline

Video 2
IP Routing
Because IP Routing is a fundamental part of understanding material for this course, we will review the fundamental routing protocols covered in the CCNA. Also, new and advanced information will be covered to help you solve more complex problems you will find in the CCNP exams and in the real world.
* What is a Routing Protocol?
* Anatomy of a Routing Table
* Static and Default Static Routes
* Floating Static Routes
* On-Demand Routing
* Propagating Default Routes
* DHCP and Cisco Routers
* The IP helper-address Command

Video 3
Distance Vector Routing
Learn about this routing protocol, and its limitations. This protocol is important to learn for both the exam and for real-world troubleshooting.

* When to Use DV Routing
* Review of DV Behaviors
* Review of DV Operation Basics
* Administrative Distance
* RIP v2 Routing Update Authentication

Video 4
Single-Area OSPF – Part 1
This is another routing protocol, which we will review and cover the fundamentals. It is not used much in the field, but is necessary to know on the exam and will help you understand the next video, multi-area OSPF.
* LS Protocol Basics, LSA Sequence Numbers, Basic “show” Commands
* Designated Router/Backup Designated Router Basics
* DR/BDR Election on Ethernet and WAN Segments
* OSPF Router ID (RID) Selection and Commands

Video 5
Single-Area OSPF – Part 2
* OSPF Network Types – Broadcast, Non-broadcast, Point-to-point, Point-to-Multipoint
* Virtual Links – When to Use Them, How to Configure and Verify
* Introduction to Multi-area OSPF
* How OSPF Determines Port Costs
* OSPF/RIP Comparison
* Basic OSPF Troubleshooting and Common Mis-configurations

Video 6
Multi-Area OSPF – Part 1
You will learn about this routing protocol, used to fit larger networks, and the design guidelines. We will cover the basics, and how this protocol keeps routing tables concise & complete and lessens the router CPU load.
* Cisco Design Recommendations for OSPF-enabled Routers
* Intro to Stub, Total Stub Areas

Video 7
Multi-Area OSPF – Part 2
* Intro to OSPF E1, E2, O IA Routes
* OSPF Router Types – Internal, Backbone, ABR, ASBR
* OSPF Route Summarization
* Default Routes and New Features

Video 8
EIGRP – Part 1
We will review this hybrid routing protocol covered in the CCNA exam, and learn the new advanced topics needed for the BSCI exam. Learn the benefits (supports multiple protocols; faster; enhanced IGRP)
* Review of EIGRP Basics
* EIGRP Packet Types
* Detailed EIGRP Neighbor Process
* Troubleshooting EIGRP Adjacencies
* Using Secondary Address for EIGRP Adjacencies

Video 9
EIGRP – Part 2
* Stuck-In-Active (SIA) Routes
* Successors and Feasible Successors
* Using the variance Command Correctly
* DUAL-queries
* Feasible Distance vs. Advertised Distance

Video 10
EIGRP – Part 3
* Route Summarization for EIGRP
* Basic EIGRP Design Considerations
* EIGRP Stub Routers
* Calculating Bandwidth Settings

Video 11
ISIS
This is a new subject to most people, unless you have worked for an Internet Service Provider. We will cover theory and learn to configure ISIS. You may not work with this in the real world unless working with ISP, but you should expect to see this on the exam.
* Introduction to ISIS
* ISIS Terminology
* Routing Levels and Router Types
* Adjacency and Hello Types
* Link State Packets and Sequence Number Packets
* NSAP and NET Addressing
* The ISIS Backbone
* The ISIS Routing Process
* Configuring ISIS
* ISIS Route Summarization

Video 12
BGP - Part 1
Included in this video are concepts on BGP which will, most likely, be new to you. This is extremely important for the exam BSCI, and you will need to master these concepts if you plan to take the CCIE. Unless you are working for an ISP, you will generally not use this information for your networking career.
* Introduction to BGP
* When to Use BGP
* When Not to Use BGP
* BGP Peering
* Advertising Routes in BGP

Video 13
BGP - Part 2
* Path Attributes: Mandatory, Discretionary, Transitive, Non-transitive
* Origin Attribute
* AS_PATH Attribute
* Next-hop Attribute
* Multi-Exit Discriminator (MED)
* Local_Pref Attribute
* Weight Attribute

Video 14
BGP - Part 3
* Intro to Atomic Aggregate, Aggregator, Community, Originator ID
* Route Aggregation with BGP
* Resetting Peer Connections
* Rule of Synchronization
* BGP Full Mesh Dilemma
* Route Reflectors and Clusters
* Refreshing BGP Routes
* Prefix-Lists

Video 15
BGP - Part 4
* Peer Groups, Confederations, and Communities
* ISP Concerns with BGP
* The Perils of Redistribution
* BGP Messages Types
* Introduction to Regular Expressions
* Private AS Numbers

Video 16
IP Version 6
This is a refresher from the CCNA course/exam. It’s vital to know this information as it is a growing topic in the real-world, and most mobile devices use IP Version 6. Topic is essential for BSCI, as you must understand the fundamentals.
* Why Use IPv6?
* Header Fields
* Address Format and Zero Compression
* Reserved Address and Address Types
* IPv4 – v6 Compatible Addresses
* The Autoconfiguration Process
* OSPF Version 3
* IPv6 – v4 Migration Strategies

Video 17
Route Maps, Policy Routing, NAT and VLSM
You will need to understand Route Maps when working with BGP, and if you plan on taking the CCIE you will need to master it. We will also review subnetting, which was covered in the CCNA. This is essential information for the exam and for work in production networks. NAT videos are review from the CCNA. The last topic, VLSM, is needed when working with subnets which have varied numbers of hosts. This is important for your career and the BSCI exam.
* What Are Route Maps?
* Subnetting and Summarization
* Using Policy Routing
* Nat and Pat
* Developing a VLSM Scheme
* CIDR

Video 18
Route Redistribution – Part 1
Learn the theory of route redistribution (connecting networks that are running different routing protocols to get them to communicate). This is important for passing the BSCI exams and if you plan on taking the CCIE. Also, this is a skill that you will need to know for your career in networking, as it is something that you will need to perform on the job.
* What is Route Redistribution?
* Automatic RR Scenarios
* RIP Redistribution and the Seed Metric
* OSPF Redistribution
* Suboptimal Routing and Routing Loops
* Default-Information Originate
* Administrative Distance and Redistribution
* EIGRP Redistribution
* Verifying Redistribution
* Static Route Redistribution

Video 19
Route Redistribution – Part 2
* Controlling Redistribution
* The IP Default-Network Command
* Passive Interfaces
* BGP and the NullO Interface
* BGP Redistribution Issues
* Changing Default Metrics
* Distribute-Lists
* External OSPF Routes and BGP

Video 20
Multicasting – Part 1
This is straight forward information that you will need to understand in able to operate multicasting, which allows you to use the most efficient path to deliver messages. You must understand the theory taught in this video in order to use this in the real world. It’s also needed for the BSCI, CCNP, and CCIE.
* What is Multicasting?
* Address Ranges
* The RPF Check
* Mapping IP Addresses to Multicast MAC Addresses
* PIM Operation
* IGMP
* PIM Dense
* PIM Sparse
* PIM Sparse-Dense

Video 21
Multicasting – Part 2
* Rendezvous Point Discovery Methods
* Configuring Auto-RP
* Bootstrapping and Multicasting
* IGMP Snooping
* CGMP

Video 22
Networking Models
When working on different real-world networks, it is vital to understand the different networking models. It’s important to understand the network you are working with – the details and protocols of each. Some of the topics we cover, SONA & IIN, are important to know because the use of these is getting bigger and bigger.
* Cisco’s Three-Layer Model
* The Enterprise Composite Network Model
* Cisco Service-Oriented Network Architecture
* The Intelligent Information Network

 

Train Signal - Cisco BCMSN 642-812 : در اين دوره، نحوه ايجاد يك فضاي شبكه براساس فناوري سوئيچينگ چند‌لايه در سرعت‌هاي بالاي اترنت به مديران شبكه‌ها آموزش داده مي‌شود. اين دوره شامل مفاهيم مسيريابي و سوئيچينگ و فناوري‌هاي لايه دو و سه است. داوطلبان پس از طي اين دوره قادر خواهند بود يك فضاي سوئيچينگ چند لايه را برپا ساخته و به كنترل ترافيك شبكه با استفاده از سيستم‌هاي احراز هويت لايه‌هاي مختلف بپردازند.

Cisco BCMSN - Course Outline

 
Video 1
Introduction to BCMSN
Go over course outline and meet your instructor.
* Welcome To Your BCMSN Video Boot Camp!
* Your Instructor
* Exam Prep Tips

Video 2
LAN Switching Basics
In this section, you will learn the basic operations of LAN switch. We will review the fundamentals of LAN switching, which is vital for the exam and for building blocks in upcoming videos.
* Ethernet, Fast Ethernet, Gig Ethernet
* Quick Cabling Review
* Basic Switch Operation
* Filenames and Autorecovery

Video 3 & 4
Virtual LANs (VLANs) – Part 1 & 2
Though VLANs may be familiar to you, we will review from our CCNA studies and expand upon advanced VLAN topics. This is one of the most important videos, as the details are imperative for passing the BCMSN exam. Learn the differences between VLAN protocols.
* Why use VLANs
* Static and Dynamic VLANs
* Trunking
* ISL
* ISL and Dot1q
* Troubleshooting Trunks
* The Native VLAN
* Dynamic Trunking Protocol
* Trunking Modes
* VLAN Database Mode
* Design Guidelines
* End-To-End and Local VLANs

Video 5
VLAN Trunking Protocol (VTP)
We will review VTP from the CCNA exam, learn the benefits of using it, and also cover new topics, such as, VTP advertisement and synchronization. This information is important for use in the real world as well as the exam. The VLAN.DAT file snippets is most likely not featured on the exam, but is extremely important for the real world.
* Why Use VTP?
* Configuring VTP
* VTP Modes
* VTP Advertisement Process
* Synchronization & Advertisement Details
* VTP Features & Versions
* The VLAN.DAT file
* VTP Securit Mode

Video 6
Spanning Tree Protocol (STP) – Part 1
In this section, we will cover the fundamental of STP, do some review of switching from our CCNA studies, and discuss advanced topics on STP. It is important to understand how to configure, operation and use of the protocols and commands covered in these videos. STP is important for passing the BCMSN and for work with real world networks.
* Switching Basics
* BPDUs & the Root Bridge Election
* Root Port Selection & Cost

Video 7
Spanning Tree Protocol (STP) – Part 2
In this section, we will cover the fundamental of STP, do some review of switching from our CCNA studies, and discuss advanced topics on STP. It is important to understand how to configure, operation and use of the protocols and commands covered in these videos. STP is important for passing the BCMSN and for work with real world networks.
* STP Port States & Times
* Making a Nonroot Swith the Root –Why and How
* TCN BPDUs
* Load Sharing with the Port-priority command
* Extended System ID Feature

Video 8 & 9
Advanced Spanning Tree Protocol Features – Part 1 & 2
As the title suggests, these are advanced topics needed for the exams and the real world, since several should be running in your network currently. You will need to understand when, where, and how to configure for answering exam questions and when working on your network.
* Portfast, Uplinkfast, Backbonefast
* Root Guard, BPDU Guard
* UDLD
* Loop Guard
* UDLD, BPDU Skew Detection
* Rapid STP, PVST, PVST+, CST, MST

Video 10
EtherChannels
EtherChannels are prevalent in today’s networks, so you need to know how to troubleshoot, configure, verify, and understand how they work. This information is important for passing the BCMSN, working with real world networking, acing an interview, and for use in production networks.
* What are they, and why do we use them?
* Negotiation Protocols
* Configuration & Verification

Video 11, 12 & 13
Securing the Switches – Part 1, 2 & 3
Not only will you need to understand how to secure the switches for exam success, but, more important, for securing your own network in the real world. It’s important to know who your enemies are so you can keep them out. Security is a growing fields, so if this is an interest, it is wise to specialize in this information.
* Introduction to AAA
* Port Security
* Port Security & Dot1x Port-Based Authentication
* SPAN
* VLAN ACLs
* Private VLANs
* DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
* MAC Address Flooding & VLAN Hopping Attacks

Video 14, 15 & 16
Multi Layer Switching – Part 1, 2 & 3
This section begins with introductory theory on multi layer switching. After that begins the fun, hands-on labs to teach you the concepts and configuration (if you’ve never worked with Layer 3 switches before, which are increasingly popular). It’s necessary to understand multi layer switching for the BCMSN, especially the HSRP segment.
* Route Caching, Cisco Express Forwarding
* Inter-VLAN Routing & SVIs
* Fallback Bridging
* Router Redundancy Protocols (HSRP, IRDP, VRRP, GLBP)
* Server Load Balancing SLB

Video 17
IP Telephony & Cisco IP Phones
* IP Phone Basics
* Voice VLANs
* Voice QoS
* DiffServ at L2 & L3
* Trusting Incoming Values
* Basics of AVVID
* Power Over Internet

Video 18
Wireless Networking
Is important for passing the exam; it’s also necessary for becoming a solid network admin. You must understand the pros and the cons, and stay current. The standards are constantly changing, so you must know the benefits and limitation, as well as, how it works with your current network.
* Wireless Basics and Standards
* Antena Types and Usage
* CSMA/CA
* CCX Program
* The Lightweight Access Point Protocol
* Aironet System Tray Utility

Video 19
Network Design and Models
Understand the layers of switching model and the difference in models. Know for exam and how to add these on to your real world network.
* Core, Distribution, Access Layers
* Enterprise Composite Network Model
* Server Farm Block
* Network Management Block
* Enterprise Edge Block
* Service Provider Edge Block

Video 20
Queueing – Bonus Video
This bonus video is included in case you haven’t used or tested on queueing before. It’s important for exam questions, so we will cover the basics and configuration of queueing.
* Weighted Fair Queueing
* Class Maps & Policy Maps
* Priority Queueing
* Custom Queueing

Train Signal - Cisco CCNP ONT 642-845 : بهينه سازی شبكه‌های همگرا و بالا بردن كيفيت سرويس‌ها.

Introduction to ONT
We will cover an overview of topics, introduction to Chris Bryant, and how to get the maximum out of this course.
Key Topics:
* Welcome to Your ONT Video Boot Camp!
* About Your Instructor
* The ONT Hands-On Challenge

Video 1
Introduction to Quality of Service (QoS)
QoS is increasingly more important in today’s network. In this video we cover the basic use and deployment of QoS, and I will explain why it’s important for transmitting different types of data in a timely fashion. This section is vital for passing the ONT and for use in real world networks.

Key Topics:
* What is QoS and why we use it?
* Three Steps to a QoS Deployment
* Delay Types (and the Network Admins who hate them)
* QoS Model Comparison

Video 2
Queuing Methods
In this section, we will discuss the theory of the different types and uses, and I will demonstrate their use in the labs and hands on practice. Most of the methods are valuable for real world experience, but the section on Low Latency is very important to master for the ONT exam.

Key Topics:
* FIFO
* Round-Robin and Weighted Round-Robin
* Priority Queuing
* Weighted Fair Queuing
* Class-based WFQ
* Low Latency Queuing

Video 3
Marking and Classifying Traffic
Marking and Classifying traffic are used to define a QoS service class. You must learn the purpose of marking and classifying, as well as, what order to use each. This section is important for passing your exam and for using these processes on real world networks.

Key Topics:
* Which Comes First?
* L2 Marking – CoS
* L3 Marking – IP Prec, DSCP
* DSCP and PHB
* NBAR Theory and Operation
* To Trust or Not To Trust (incoming markings, that is)

Video 4
Congestion Avoidance, Policing and Shaping
In this section, we will discuss ways of avoiding congestion. We will discuss how to differentiate between the processes. These topics are important for the real world and for passing the exam.

Key Topics:
* Tail Drop, RED and WRED
* Traffic Shaping and Policing
* Payload Compression Methods
* Header Compression Methods
* Intro to Link Fragmentation and Interleaving

Video 5
End-to-End QoS
It’s very important to learn the rules, theory, and commands discussed in the video for the exam. We will cover an introduction to VPNs in order to understand preclassification. Also, we will discuss information on how to secure your router, which is vital for the exam and for security in the real world.
Key Topics:
* Intro to VPN
* QoS Preclassification
* SLAs Defined
* The Control Plane and CoPP

Video 6
AutoQoS
We will discuss the basic QoS configure methods, which you will need to know for the exam (possibly for the real world). Understand the prerequisites and how it works, and also, the variations and uses.
Key Topics:
* The 3 Basic QoS Config Methods
* Intro to AutoQoS
* Prerequisites
* VoIP and Enterprise
* Live Demo of SDM and AutoQoS Wizard

Video 7
Introduction to Wireless LANs
In order to pass the exam and uses WLANs in your network, we will discuss the basics of WLANs, the uses of WLAN functions, and compare these functions.
Key Topics:
* DCF and WMM
* SSID and MAC Address Authentication
* WEP, WPA, and WPA2
* EAP, LEAP, and other EAPs

Video 8
WLAN Management
This video covers installations, operation, theory, and model types. This information is necessary as it will be covered on the ONT exam.
* A Quick Intro to Cisco Unified Wireless Networks
* WLAN Implementation Methods
* CiscoWorks Wireless LAN Solution Engine (WLSE)
* Planning for WCS Deployment (Wireless Control System)
* WCS Versions
* Live Demos!

Video 9
Voice Over IP (VoIP)
Another one of the fastest growing sectors of the IT industry is VoIP. Understand the protocol for transmitting voice over the internet. This is necessary for work in the real world, future voice studies, and on the ONT.
Key Topics:
* Call Components
* Analog and Digital Interface Types
* VoIP Signaling Protocols
* Data Conversion Processes
* Overhead
* Introduction to Cisco CallManager
* Call Admission Control
* CallManager Deployment Models
* Compression, Comfort Noise, and VAD
* POTS and VOIP Dial Peer Config and Troubleshooting

Train Signal - CCNP ISCW 642-825 :  اجراء شبكه‌های امن WAN.

Video 1
Intro To ISCW
Intro to the ISCW course, Chris Bryant, and topics overview.
* Network Modeling
* Remote Connectivity Methods
* Basic (and Not-So-Basic) Security
* Authentication, Authorization, and Accounting (AAA)
* MultiProtocol Label Switching (MPLS)
* Virtual Private Networks (VPNs)
* Firewalls
* Intrusion Prevention System (IPS)

Video 2
Network Modeling
Learning and understand networking modeling is vital for working in the real world. In this section we cover theory along with diagrams to help solidify network design. We will review the 3-layer model, and go into more advanced studies of each layer. It’s also important to know the majority of this information for passing the ISCW exam.
* The Cisco Three-Layer Model
* The Cisco Enterprise Architecture
* Cisco IIN and SONA
* Teleworking: Questions to Ask Before Implementing

Video 3
Remote Connectivity Method
In this section, we will talk about different ways to get remote users connected to the network, basic connectivity methods & DSL delivery options, broadband capabilities. It’s important to memorize this information for the exam and also for use in the real world. Theory meets labs in this video.
* Intro to Broadband
* DSL Delivery Options
* Cable Modem Boot Process
* PPPoE, PPPoA, and RFC 1483/2684 Bridging
* Basic Troubleshooting
* Hybrid Fiber-Coaxial

Video 4
Basic (and Not-So-Basic) Security
We will cover security, also known as “Router Hardening.” We will review and refresh security procedures from CCNA studies, and then move to more advanced topics and procedures. You need to know what’s important and how to eliminate threats, which is vital for both real-world networks and in passing the exam.
* Password Basics
* NTP and Router Clocks
* Telnet and SSH
* Banners
* TCP Intercept
* IP Spoofing and 3704 Filtering
* Views and Superviews
* SNMP Security Basics
* Autosecure (CLI and SDM)
* Basic Logging Commands

Video 5
Authentication, Authorization, and Accounting (AAA)
AAA provides framework through for setting up access control on your network. It’s important to know the definitions, uses, and the commands. We will learn to configure AAA over the live network.
* Authentication and Authentication Lists
* Configuring AAA at the CLI
* Configuring AAA with SDM
* Debugging AAA
* Authorization
* Privilege Levels
* Account

Video 6
MultiProtocol Label Switching (MPLS)
The true benefits are the crystal-clear explanations of terms that are unique to MPLS. MPLS is totally different than anything the students have seen to that point, and that video does a great job of explaining these terms.
* Types, Modes, and Router Roles
* “push, swap, pop”
* Labels, the Control Plane, and the Data Plane
* The MPLS Process
* Penultimate Hop Popping
* The FIB, LIB, and LFIB
* Basic MPLS Configuration
* MPLS VPNs
* Route Distinguishers and VRFs
* MTU Sizing

Video 7
Virtual Private Networks (VPNs)
VPNs are the #1 way to get remote users into our networks today. We will talk about theory, particularly terminology – help clarify any misinterpreted information. We will configure VPNs at both the command line and with SDM (security device manager). It’s important to understand this information for both the exam and real world.
* Terminology
* Tunneling Protocols
* Data and Key Encryption Methods
* IPSec Architecture
* Configuring Site-to-Site VPNs, Policies, and Transform Sets
* Crypto ACLs
* Configuring GRE over IPSec (Using SDM)
* GRE Tips
* Easy VPN Theory and Configuration
* Stateless and Stateful VPN Failover Methods

Video 8
Firewalls
Firewalls are a major security topic on the ISCW exam, and of course, important in the real world. First we will discuss the definition, functions and operations of a firewall. Then we will do both a basic and advanced firewall configuration, and discuss verification and troubleshooting procedures.
* Intro to Firewalls
* Stateless and Stateful Filtering
* IOS Firewall Feature Set Components
* Extended ACL Review
* CBAC Operation and Benefits
* Firewall Configuration at the CLI
* Firewall Configuration with SDM - Basic and Advanced
* SDM Basics
* Direction of Your Lists
* Disabling IP Inspection

Video 9
Intrusion Prevention System (IPS)
IPS is a prevention system to protect your network from threats. We will discuss the similarities and differences between IPs and its predecessor, IDS, which is something you may encounter in the field (and on the exam). We will discuss the different approaches to IPS, signature types and the actions taken. Then we will use this theory for configuring IPS.
* Comparing IPS and IDS
* Approaches to Intrusion Prevention
* Signatures and Signature Types
* SDFs
* Signature Actions
* SDEE and Syslog
* “False Positives”
* Configuring IPS with SDM

 

Train Signal - CCNP BCRAN - CBT Lab 25 : در اين دوره، داوطلب چگونگي پيكربندي و عيب‌يابي شبكه‌هايي كه در جاهاي ديگر ايجاد شده و از طريق تكنولوژي راه‌دور (Remote) به سايت مركزي دسترسي دارند را فرا مي‌گيرد. همچنين حالت عكس اين عمل يعني دسترسي راه‌دور به سايت مركزي با مصرف كمترين پهناي‌باند نيز در اين دوره مورد بحث قرار مي‌گيرد. به طور كلي در BCRAN توجه ويژه‌اي به شبكه‌هاي WAN به عمل آمده و نحوه پيكربندي تجهيزات سيسكو و برقراري ارتباط بهينه بين سايت مركزي و ساير شعبات و مسايل مربوط به كيفيت سرويس (QOS) در يك شبكه WAN تشريح مي‌شود. اين دوره به خصوص براي مديران شبكه‌ها كه مسؤول اجرا و عيب‌يابي Backbone يك شبكه WAN هستند از اهميت خاصي برخوردار است.

Train Signal - CCNP CIT - Cisco Internetwork Troubleshooting : در اين دوره، داوطلب چگونگي عيب‌يابي كامپيوترهاي‌ سرويس‌ گيرنده يا سرويس‌دهنده كه تحت پروتكل‌هاي مختلف به هم متصل گشته‌اند و از سوئيچ‌ها و روترهاي سيسكو استفاده مي‌كنند را فرا مي‌گيرد. بنابراين با گذراندن دوره مذكور، مي‌توان به تحليل و شناسايي مشكلات در محيط‌هاي Fast Ethrnet ،VLAN ،Frame Relay ،ISDN BRI و ... پرداخت و مشكلات پيچيده مربوط به سوئيچ‌ها و روترهاي سيسكو را حل كرد.

 Train Signal - CCNP Switched Networks - CBT Lab 24 BCMSN :