Do you wish to learn the following concepts ?
1. How does information flows across the internet ?
2. How to design and configure networks ?
3. How does the internet work ?
4. How do two computers transfer data in a LAN ?
5. How does an IP Packet move across the internet ?
6. What are the functionality of routers and switches and how they are used in a network communication ?
7. How do network applications work in real time ?
8. What happens during a network communication ?
9. What happens internally when protocols communicate ?
10. What is the functionality of Firewalls and VPN’s and how do they work ?
11. What are NAT and proxy servers and where they are used ?
Then this course is for you -
TCP/IP Infrastructure Analyst
Learn the fundamentals of network communcation and become a TCP/IP Infrastructure Analyst.
This is a real time course using packet analyzers , where the communication scenarios and concepts are practically demonstrated.
Take our Online course – Schedule a free demo
A networking career consist of many paths. One can become a network design and troubleshooting engineer, network protocol testing engineer, network and security testing engineering and many more. Whichever path you take it is always recommended that you have a strong foundations on the fundamentals of TCP/IP.
Our expert team has devises an online training program which involves practical analysis on the fundamentals of TCP/IP which would convert you into a TCP/IP Expert.
Course benefit
1. Understand the fundamental concepts of TCP/IP networking.
2. Understand how network protocols work.
3. Understand how packets travel on the network.
4. Understand the underlying concepts of switching and routing
5. Understand how to troubleshoot protocols.
6. Understand how to analyze various networking scenarios.
Course Content
Layered Architecture
What is ISO ?
OSI v/s TCP/IP layers.
Who uses TCP/IP and OSI layers?
Definition of a protocol.
Functionality of protocol.
PDU at different layers.
Functionality at different layers.
Exploring the TCP/IP Network Interface layer architecture
Functionality of Network Interface layer
Protocols used in Network Interface layer
Definition and working of Ethernet.
Half duplex, full duplex and Fast Ethernet technologies
Mac-address- Functionality
Types of Mac-address – Unicast, Multicast and broadcast.
Dissecting an Ethernet Frame.
Exploring the TCP/IP Internet layer architecture
Functionality of Internet Layer
Protocols used in Internet Layer
IP protocol – Usage and architecture
IP address subnetting, network address derivation, CIDR and VLSM concepts concepts
Types of IP address – Unicast, Multicast and broadcast IP address.
Exploring the TCP/IP Transport layer architecture
Functionality of Transport layer.
Protocols used in the Transport Layer.
Reliable and Unreliable functionality.
Overheads involved.
Exploring the TCP/IP Application layer architecture
Functionality of the Application layer
Protocols used in the Application layer
Application programming Interface
Components in a network environment
Hubs
Hub Architecture – Internal implementation
Data in hubs.
How do hubs works – CSMA/CD process, back-off algorithm
Hubs, duplex and speeds.
Issues with Hubs
Interconnecting hubs.
Switch – Layer 2
Switch v/s Hubs
Switch architecture – Different types.
How does a switch process incoming data?
Input and output buffers in switches.
Layer 2 Frame receipt process and lookup in a switch.
Handling invalid frames.
Mac-address learning process – Creation of the MAC- Table
When does a switch flood frames
How is unicast, multicast and broadcast packets handled on a switch.
How do switches handle same mac-address from different clients
Layer 2 Loops and mitigation with STP
STP – Functionality and working.
Interconnecting switches
Interconnecting switches with hubs – Mac-learning process revisited.
Frames in transit.
VLAN – Definition
Controlling broadcast with VLAN
VLAN types – Tagging with 802.1q
Handling of tagged and untagged packets on a switch port
Trunk ports – Definition and usage.
Routers and Switches – Layer 3
Router architecture
Definition of a route
Route table creation on a router
Frame processing on a router.
Route lookup process.
The longest prefix situation
Frame discarding and addition
IP packet forwarding process
IP packet before and after passing through a router – Changes.
Types of routing – Static and Dynamic
Route metrics
Default routing and the default gateway
Routing v/s Layer 3 switching – Differences
Intervlan communication with routers and layer 3 switches.
Packet level analysis of common protocols with usage and functionality
ARP
ICMP
IP
TCP
UDP
FTP
DNS
Analysis of real time scenarios
1. Two PC’s are connected to an Ethernet switch. PC1 pings PC2. Analyze the traffic flow
Ping application data transfer to IP header
PC1 route lookup process on the local route table
ARP or not to ARP
Construction of IP packet on PC1
Construction of Frame on PC1
Frame processing on the switch port
Frame forwarding process
Frame receipt on PC2
PC2 frame processing
IP layer receipt of data
ICMP processing on PC2
Route lookup on PC2
IP packet creation PC2
ICMP response packet generation.on PC2
2. Two PC’s are connected to two different Ethernet switches. One switch is connected to LAN 1 interface of a router and the second switch to LAN 2 interface of a router. PC1 Telnets PC2. Analyze the traffic flow
Telnet application data transfer to TCP header
TCP 3 way handshake initiation.
PC1 route lookup process on the local route table
ARP to default gateway
Construction of IP Packet
Construction of Frame
Frame processing on switch and router port
The route lookup process on the router
ARP to PC2 from router
PC2 frame processing
IP Layer receipt of data
TCP Syn packet processing
Maintain state in TCP table
TCP Syn/Ack response to PC1.
IP packet creation for response
3. A PC is connected to an internet router. The user tries to access the website http://www.networkinterfaze.com. Analysis the traffic flow.
User types http://www.networkinterfaze.com
DNS Server entry verification
DNS cache verification
Route lookup process
The default route
DNS request packet
IP Packet creation
ARP to the default gateway
Frame creation process
Route lookup on the internet router
Packet traversal to DNS Server
DNS response packet from server
IP packet creation on server
Frame creation on Server
Packet processing on the PC
Http request packet generation request and response flow.
Socket creation process
Firewall
Firewall functionality
Types of Firewalls- Network layer and application layer based firewalls
Analyzing traffic flow through a firewall
Router as a firewall
Stateful and stateless firewalls – Functionality and implementation
Firewall placement in a network
VPN
Tunnel functionality
Basic and advanced tunneling
Types of VPN – IPSec and SSL
IPSec basic operation – transport and tunnel mode
Advantages and disadvantages of different tunnel types
NAT and Proxy servers
NAT functionality
Different types of NAT- Static, Dynamic, PAT
Proxy server functionality
Proxy server limitation.
Usage guidelines in a network
How to design and configure networks
Case study based learning
1. How to design a network for home for wired and wireless access
2. How to design and setup networks for campus with different departments
3. How to design and setup an office network.
Email: contact@networkinterfaze.com to schedule a free demo