switching and routing

40 academic hours

foundation

Eltex Switching
and Routing,
foundation
level

The course covers the fundamentals of modern switching and routing technologies and their implementation on Eltex equipment.

Who should enroll

Graduates of technical universities and colleges beginning to work with Eltex equipment

Engineers without a networking background wishing to master the fundamentals of networking technologies

Sales and pre-sales support specialists of system integrators

Network engineers interested in updating and systematizing their foundational knowledge in networking technologies

Pre-requisites

Confident computer user skills
Knowledge of Windows and Linux operating systems is preferable but not madatory

How we train

comfort

Training process

The course duration –
(40 academic hours). Groups of up to 24 people

practice

Hands-on training

All training modules feature lab practices. A dedicated Eltex hardware lab stand is provided to every group regardless of the training format (in-person or online)

convenience

Access to training materials

Training is based on a single platform, where all the training materials are accessible during your study

flexibility

Training formats

Our courses are availalbe online or in-person. The latter are delivered at our premises in Novosibirsk city, Russia

certification

Certificate of completion

Upon completion of the course the participants receive certificates verifying their knowledge and skills

Course overview

5 days

15 lab practices

Download PDF

Fundamentals of computer networks

Main elements of computer networks
Types of networks
- Local area networks
- Wide area networks
Network structure
- Endpoints
- Network devices
- Data transmission medium
- Software
- Protocols
Standards and standardization organizations
Interaction of devices in a network. OSI model
TCP/IP protocol stack
Protocol interaction. Encapsulation and multiplexing.
Protocol data units (PDU)

Physical and data link layers

Data transmission media
- Coaxial cable
- Twisted-pair cable
- Optical fiber cable
L2 frame structure
- Data link layer protocol. Ethernet
MAC and LLC sublayers of the data link layer
- Collision domain
Number systems
- Binary number system
- Hexadecimal number system
Data link layer addressing. Types of MAC addresses
- Unicast MAC address
- Multicast MAC address
- Broadcast MAC address
Switches and switching
- Frame-based switch operation
Initial configuration of a MES switch
- Connecting to the switch
- Introduction to the MES switch CLI
- Configuring the hostname
- Banner messages
- Saving a configuration
Physical layer diagnostics
- Copper cable diagnostics
- Optical transceiver diagnostics
- Power over Ethernet (PoE)
Data link layer diagnostics. LLDP

Network layer

IPv4 addresses
- IP packet header
- TTL (Time to Live) field
- IP address format
Types of casting
Types of IP addresses
- Special-purpose IPv4 addresses
- Classful IP addressing
IPv4 subnet mask
- Prefix length
Network address, host address, and IPv4 broadcast address
Network subnetting
- Reasons for subnetting
- Basic subnetting
- Subnetting formulas
- Basic division into 4 subnets
- Basic division of a /16 network into 50 subnets
- Variable Length Subnet Masks (VLSM)
The “logical AND” operation
L3 Diagnostics. ICMP Utilities
- Local host testing
- Remote host testing
- Path testing

Routing

Address Resolution Protocol (ARP)
- ARP request and ARP response
- ARP translation table
- Gratuitous ARP (GARP)
Routing table
- Sources of the routing table
- Route structure
- Сost
- Preference
- Load balancing
- Next Hop address
Router functions
- Decision-making algorithm
- Optimal route
- Packet forwarding mechanisms
- Packet routing
Static routes
- Default static route
- Summary static route
- Floating static route
Connecting to a network device
- Configuration files
- ESR router command line
- Command structure
- Command line help
Basic ESR router configuration
- First-time router startup
- Configuring the device name
- Banner messages
- Configuring an IP address on an interface
- Configuring date and time
- Saving the configuration

Virtual local area networks

VLAN fundamentals
Tagged and untagged traffic
- VLAN identifier
- VLAN types
- VLAN advantages
Access ports and trunk ports
- Access ports
- Trunk ports
Switch interfaces
- L2 interfaces
- L3 interfaces
Inter-VLAN routing
- Inter-VLAN routing issues
- Router-on-a-Stick (ROAS) method
- Routing via an L3 switch

Transport layer

Transport layer addressing
- Sockets and addressing principle
- Port number groups
Traffic segmentation during transmission
- Multiplexing
Transmission Control Protocol (TCP)
- TCP functions
- TCP segment header
- TCP connection establishment
- TCP reliability
User Datagram Protocol (UDP)
- UDP functions
- Main characteristics of UDP
- UDP datagrams
- Main application types using UDP

Application layer

Main application layer protocols
Domain Name System (DNS)
- DNS message format
- Domain name structure
- DNS hierarchy and operation
- Authoritative and non-authoritative DNS servers
- Configuration commands for setting up DNS
- DNS configuration example
Hypertext protocols
- HTTP and HTTPS
- Interaction between application layer protocols and end-user applications
Dynamic Host Configuration Protocol (DHCPv4)
- Getting an IP address from a DHCP server
- IP address conflict and methods of preventing it
- IP address lease renewal
- Analyzing the DHCP protocol operation using Wireshark
- Configuring DHCP client
- Configuring DHCP server
- Checking DHCP
Diagnostics at layers L4–L7
- Checking DNS
- DHCP configuration errors

Network address translation (NAT)

Background of NAT development
NAT terminology and operating principle
- Single translation
Advantages and disadvantages of NAT
Types of NAT
- Source NAT (SNAT)
- Destination NAT (DNAT)
- Configuring Source NAT
- Configuring Destination NAT
- Checking NAT
- Static NAT

Course instructors

Stanislav Vladimirovich
Cherepanov

Andrey Yurievich
Grekov

Become an Eltex instructor

If you have work experience in telecommnunications and good knowledge of our course topics and networks hardware, you are welcome to join our team in Novosibirsk!

Fill out the application, and we will contact you with further details

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Certification

Upon successful completion of a course, you will receive a branded certificate with a unique verifiable code.

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Our manager will get in touch with you to go over further details

FAQ

Where can I find the course schedule?

For information regarding the course schedule, please reach out to Kirill Zorin, the support manager,
at kirill.zorin@eltex-co.ru

What locations are available for training?

Eltex Academy in-person courses are available at Eltex Enterprise in Novosibirsk, Russia.
For other locations, please check out the offers of our Authorized training centers

Are there any differences in online and in-person programs?

Course programs in online and in-person formats are the same. Certificates issued upon course completion have no differences either

Can I participate in training as an individual?

The courses are available now for corporate employees only

Another question

Visit our FAQ page for more frequently asked questions.

Group enrollment

If you want to enroll several employees, fill in the Group enrollment form

Download the form

For convenience

You can attend classes at our partners training centers

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Who should enroll

Pre-requisites

How we train

Course overview

Fundamentals of computer networks

Physical and data link layers

Network layer

Routing

Virtual local area networks

Transport layer

Application layer

Network address translation (NAT)

Course instructors

Become an Eltex instructor

Fill out the form

Applicant information

CV

Sent!

Start now

FAQ

Where can I find the course schedule?

What locations are available for training?

Are there any differences in online and in-person programs?

Can I participate in training as an individual?

Another question

Enrollment: Eltex Switching and Routing (foundation level) v.1

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Preferred training format

Contact person

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Enrollment

Organization

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