
Explore how networks evolved from standalone devices to interconnected systems, defining networks, sharing resources like printers and storage, and comparing wired (switches, hubs, rg-58, utp) and wireless (access points) networks.
Explore personal, local, metropolitan, and wide area networks, distinguishing private versus public WANs, cabling ownership, and core devices like switches, routers, and IP-based communication.
Explore how the internet uses ISPs and IP addresses, and how DNS resolves domain names to IPs for web and email services using http and smtp.
Explore ip addressing, including decimal-binary conversions, subnet masks, and the network versus host split, to understand unicast, broadcast, and multicast communication on ipv4 networks.
Explore ip address classes a, b, c for unicast, and class d for multicast. Learn subnet masks (/8, /16, /24), how networks and hosts are allocated, and the loopback concept.
Learn how private IP addressing conserves public addresses using NAT and PAT. Discover the private ranges in Class A, Class B, and Class C (10.0.0.0/8, 172.16–172.31, 192.168/16).
Master subnetting by borrowing bits from the host portion to create subnets from a major network, assign masks, and identify first usable, last usable, and broadcast addresses.
Learn class c subnetting with three practical examples using a five-step method, a magic table, and increments to design subnets and assign first and last usable addresses on Cisco routers.
Explore class B subnetting by borrowing bits to create 30, 40, and 80 subnets, determine increments and masks, and calculate networks, hosts, and broadcast addresses.
Learn class a subnetting by splitting a large network into 30, 40, and 80 subnets using a five-step method to determine networks, bits, and masks, with practical router addressing.
Discover how supernetting borrows bits from the network portion to the host portion, merging contiguous classful networks with common bits into a larger network and enabling route aggregation.
Explore practical supernetting techniques by combining class c networks into a single /23 network and using summary routes to aggregate four contiguous networks in ISP routing.
Explore the OSI seven-layer reference model and the TCP/IP four-layer implementation, mapping functions, headers, and segmentation to enable interoperable networking between vendors.
Explore the router anatomy and boot sequence, including ROM, RAM, flash, NVRAM, and IOS. Understand startup and running configs, console and VTY access, and interfaces such as Ethernet and serial.
Explore basic router configuration by navigating user, privileged, and global modes, configuring interfaces, assigning IP addresses, and verifying connectivity with ping and show commands.
Configure router settings by assigning hostnames and domain names to create fully qualified domain names. Set time zone, date, and clock in privileged mode to ensure accurate timestamps across devices.
Configure terminal history size and terminal length to control stored commands and display, verify with show history and show terminal, and note that zero means don't stop.
Configure the router’s three banners—message of the day, login, and exec—using banner motd, banner login, and banner exec commands, with example messages and a change log reminder.
Understand how the running config resides in RAM and how to save it to the startup-config file using copy running-config startup-config or wr, with verification.
secure router console access by configuring a console password or login local with a local user database, protect privileged mode with enable secret, and enable motd banners and logging synchronous.
Create and use aliases on Cisco IOS to shorten long commands, configure them in global config mode, and save the running or startup config for quick, repeatable router administration.
Explore serial interface encapsulations, comparing Cisco’s DLC with standard SDLC, and a standard-based protocol that supports multiple vendors; learn about authentication, multilink, and link control for reliable data transfer.
Configure and verify a point-to-point HDLC serial link between two routers from scratch, assign IP addresses, verify encapsulation, and test connectivity with ping and show interface commands.
Configure a point-to-point connection by changing encapsulation from sdlc to bp, and verify the link up status with interface show commands to ensure connectivity.
Configure ppp authentication using pap on Cisco routers by creating a username/password database and applying authentication to the interface. Verify with debug and test connectivity.
Configure chap authentication for ppp between routers, using hashed passwords instead of cleartext, with hostnames or usernames and a local database, and verify via debug outputs.
Configure PPP multilink to combine two serial links into a single logical interface for higher bandwidth and redundancy; create the multi-link interface and verify with show commands.
Explore remote management of routers via IP connectivity, comparing Telnet and SSH, and covering VTY lines, passwords, enable access, and encryption.
Configure telnet access on Cisco routers using a password by enabling vty lines, setting login and enable secret, and testing remote login from a pc to connect router-to-router.
Configure Telnet access with a username and password by creating a local accounts database and enabling login local on vty lines. Test remote access using distinct accounts admin1 and admin2.
Configure ssh for secure remote management by defining a domain name, generating an rsa 1024 key, enabling vty transport ssh, and enforcing username and password authentication.
Learn routing basics: how routing tables are formed from directly connected networks, static and default routes, and dynamic routing protocols, and how admin distance and metrics choose the best path.
Explore distance vector routing protocols, which limit to the next hop and use hops or bandwidth to set routes, with examples like RIP and HRP.
Explore how the link-state routing protocol provides a topology view by having routers advertise their links and costs, and compare it with distance-vector protocols using OSB and ISIS as examples.
Configure static routes to manually direct traffic between three routers, learning the syntax and implementation. See how static routes offer control and low overhead but lack dynamic failover.
Configure the default route as a gateway of last resort, using ip route 0.0.0.0 0.0.0.0 to forward unknown destinations to the ISP, reducing routing table size.
Learn how floating static routes provide backup paths by increasing admin distance, while static routes enable load balancing on equal-cost paths across a multi-router network.
Discover how OSPF uses link-state routing, router IDs, areas, DR/BDR elections on multi-access segments, and LSA types 1 and 2 to build a complete topology.
Learn to configure OSPF in a single area on a point-to-point link, set a router ID, apply the network statement with wildcards, and advertise loopbacks in area zero.
Configure OSPF in a single area on an ethernet multi-access segment, establishing DR/BDR roles via interface priority and router IDs, with DR/BDR relationships exchanging routes.
Explore how OSPF calculates metrics from the 10 to the power of eight reference bandwidth and how auto cost reference bandwidth differentiates fast Ethernet and gigabit links to affect routing.
Explore how ospf uses a backbone area zero, area borders, and lsa types to connect multiple areas, and learn about abrs, route summarization, and redistribution.
Configure a multi-area OSPF network by assigning router IDs, advertising loopback networks, and implementing area zero backbone with area ten and area twenty, using point-to-point links and area border routers.
Introduce first hop redundancy protocols HSRP and VRRP, compare Cisco proprietary HSRP with open standard VRRP, and explain virtual IP/MAC and a default gateway with an active master and backups.
Configure hsrp on the 192.168.10.0 network to share a virtual IP and MAC between routers four and five, using priority, preempt, and a static route for failover.
Learn VRRP, the open standard for router redundancy, featuring master and backup roles, a shared virtual IP and MAC, preemption, and failover.
Explore the IPv6 addressing scheme, its 128-bit space, hexadecimal notation, and colon-delimited blocks; learn network and host separation, and address-writing shortcuts like leading zeros and double colon.
Explore IPv6 addressing types—global unicast, unique local, link-local, and multicast—how they are formed, identified, and used, with classless structure and a 64/64 network-host split.
Explore IPv6 address assignments from ISPs, where IANA delegates to regional registries, and corporates receive /48 while end users get /56, enabling thousands of subnets.
Learn manual IPv6 address assignment, including configuring global and private addresses, subnet planning, and testing inter-router connectivity using IPv6 unicast routing and slash 64 subnets.
Explore IPv6 address assignment using SLAAC, deriving the host portion from the MAC address with FF FE insertion and the seven-bit inversion, plus network addressing examples.
Configure IPv6 static routes to connect three routers, enable ipv6 unicast routing, and use IPv6 route commands to define destination networks and next hops, achieving end-to-end reachability.
Learn how to replace static ipv6 routes with a default route (::/0) that forwards unknown destinations to the ISP, simplifying edge router configurations and defining the next hop.
Configure OSPFv3 to support IPv6 routing, aligning setup steps with CCNA v1.0 exam objectives. Explore practical commands and verification for OSPFv3 configuration.
Explore switch functionality and mac learning that forward frames using mac addresses within a single network. See how arp and default gateway enable routing between networks.
Learn how virtual LANs divide a single switch into multiple logical networks using VLAN IDs, access ports, trunks, and transports, and how tags travel between switches for inter-VLAN communication.
Explore how vlan trunking protocol centralizes vlan creation on a vtp server and propagates it to vtp clients across the network, while ports are still configured locally.
Create and assign VLAN 10 and 20 on two switches, establish a trunk, and verify inter-switch communication, then configure VTP server and client to propagate VLANs across the fabric.
Explore inter-VLAN routing to connect separate subnets, using a router with multiple interfaces, router-on-a-stick with subinterfaces, or a layer 3 switch with SVIs for VLANs 10 and 20.
Map a physical topology to a logical layer 3 topology by configuring trunking, VLANs, and inter-VLAN routing via router-on-a-stick and layer 3 switches, with step-by-step lab demonstrations.
discover how spanning-tree protocol prevents loops by electing a root switch, blocking redundant links, and using bpdu to learn topology, including rapid variants and per-vlan instances.
Explore how spanning-tree protocol elects a root switch, uses switch priority and MAC address to block loops, and designates ports for optimal forwarding across VLANs 10, 20, and 30.
Explore how STP PortFast lets designated switch ports skip listening and learning to forward immediately, reducing startup delay and preventing loop risk when ports connect to end devices.
Explore how STP BPDU guard complements port fast by disabling a port that receives a BPDU from a switch, preventing loops and placing the port in an error-disabled state.
Configure a two-switch lab with a trunk, assign VLANs 10 and 20, enable portfast and BPDU guard, and verify immediate loop protection and connectivity.
Understand ether channels or port channels to aggregate two switch links into one logical interface, gaining bandwidth, redundancy, and load balancing via manual configuration or dynamic negotiation.
Configure static etherchannel port channels between switches using a channel group. Create a trunk, vlan 10 svi, and verify the port channel is a single forwarding interface.
Configure an etherchannel using lacp with active or passive modes to create dynamic port-channel links, then test layer 2 trunks and layer 3 svis with ip routing.
See how DHCP automates IP allocation with pools, exclusions, and leases, use relay agents for centralized servers, and apply the discover, offer, request, and acknowledge flow for default gateways.
Configure a router as a DHCP server by creating an exclusion range, then a pool for the 192.168.10.0 network, assigning the default gateway and DNS server, and verify with ipconfig.
Learn to configure a router as a dhcp relay agent, forwarding client dhcp requests to a server with ip helper-address, set up a dhcp pool, and verify client ip assignment.
Configure a Cisco router as a web server and secure https server, enabling remote browser access with http and https, using enable secret and ssl for secure administration.
Configure a Cisco router as a DNS server to resolve local hostnames using fully qualified domain names. Forward unresolved queries to ISP DNS or public DNS and define hostname entries.
Explore how network address translation enables private networks to access the internet by mapping private to public IPs, covering dynamic, static NAT and port address translation (PAT).
Learn dynamic NAT on Cisco routers: configure a public address pool, apply ACLs, translate inside private addresses, and verify mappings with a lab scenario.
Configure static nat mappings to expose internal servers to the internet, create static translation entries, designate outside and inside interfaces, and verify reachability with telnet tests.
Learn dynamic pat to map a single public address to multiple private devices using port-based translation, pools, and overload in inside and outside interfaces.
Configure static NAT to map a single public IP to multiple internal servers using port-based translations, and apply the exact command syntax to route inbound traffic to the correct hosts.
Discover how network time protocol synchronizes devices with UTC time, explains time zone offsets, and configures an NTP server and clients for accurate log timestamps.
Configure the NDP server and clients on Cisco routers to synchronize time across Dubai, Singapore, and New York, ensuring logs and certificate validity.
Explore quality of service (QoS) to control network traffic using policing, shaping, reservation, and prioritization; classify traffic with ACLs and class maps, apply policy maps, and ensure bandwidth guarantees.
Learn policing in quality of service on a Cisco router by classifying traffic with an access control list, defining class and policy maps, and applying outbound via service policy.
Implement bandwidth reservation and prioritization in qos using policy maps and class maps. Apply outbound on the interface to reserve bandwidth for web traffic and telnet.
Jumpstart your career in IT and networking by understanding the fundamentals of Networking. This course will get you started in the exciting and lucrative field of Cisco Networking. You will be taught to learn the concepts for the technologies & how to implement them. This will give you a comprehensive understanding of all the topics required for passing the Cisco CCNA exam.
This course is taught in a way that it is easy to understand. The focus is to break each technology down into small components that can be understood and mastered easily. It will lay the foundation for not only passing the CCNA exam but also for future higher level certifications.
In this course, you will:
- Understanding the requirement for a specific technology before learning it.
- Learning the concepts behind the technology and how to implement them on a Cisco Router / Switch.
- Technology implementation with step - by - step approach.
- Build the skills and confidence to not only ACE the CCNA 200-125 exam but also be prepared for the Real life implementations.
- Use the knowledge and skills to jumpstart your networking career.