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bongoDev | Computer Networking Pro - Knowledge Hub

Knowledge Hub/Computer Networking Pro

Englishবাংলা

Learning path

Computer Networking Pro

Master practical networking for DevOps, SRE and cloud engineering: packet flow, OSI/TCP-IP, Ethernet, IPv4/IPv6, CIDR, routing, NAT, TCP/UDP, DNS, HTTP/TLS, load balancing, Linux networking, cloud/container/Kubernetes networking, observability, production debugging, command playbooks and a final cheatsheet.

Discount price

৳ 320.00৳ 120.00Save ৳ 200.00

Lessons

28 published lessons · 1 free preview

01Networking Mental Model: How a Packet Reaches ProductionBuild the end-to-end networking mental model a DevOps, SRE, and cloud engineer uses to reason about application traffic and failures.Beginner · 18 min readFree previewFree preview
02OSI & TCP/IP Models: Encapsulation Without MemorizationUnderstand layers, encapsulation, frames, packets, segments, sockets, and how the layer model helps isolate incidents.

Beginner · 18 min read

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03Ethernet, MAC Addresses, ARP, Neighbor Discovery & SwitchingLearn local-link communication, MAC addressing, ARP, IPv6 neighbor discovery, switching, VLAN concepts and common L2 failures.Beginner · 19 min readLockedLocked

04IPv4, Binary, CIDR & Subnetting for Cloud EngineersMaster IPv4 addressing, CIDR, subnet math, private ranges, network/broadcast addresses and practical cloud subnet planning.Beginner · 25 min readLockedLocked

05IPv6 Fundamentals: Addressing, Prefixes & Neighbor DiscoveryUnderstand 128-bit IPv6 addressing, common address scopes, /64 subnets, neighbor discovery, dual stack and operational differences from IPv4.Intermediate · 20 min readLockedLocked

06Routing, Route Tables, Gateways & Longest Prefix MatchUnderstand how hosts and routers choose next hops, default routes, longest-prefix match, static routes and route troubleshooting.Intermediate · 23 min readLockedLocked

07NAT, PAT, Public/Private Addressing & Egress DesignLearn source/destination NAT, port translation, private egress, inbound forwarding, connection state and cloud NAT patterns.Intermediate · 21 min readLockedLocked

08TCP Deep Dive: Handshake, Reliability, Flow & Connection StatesUnderstand TCP connection establishment, sequence/acknowledgment, retransmission, windows, teardown, resets and common production symptoms.Intermediate · 27 min readLockedLocked

09UDP, ICMP, Ports, Sockets & Ephemeral PortsUnderstand connectionless UDP, ICMP diagnostics, port namespaces, listening sockets, ephemeral client ports and protocol-aware testing.Intermediate · 20 min readLockedLocked

10DNS Deep Dive: Resolution, Records, Caching & DebuggingLearn recursive and authoritative DNS, record types, TTL/caching, search domains, split DNS and systematic DNS troubleshooting.Intermediate · 27 min readLockedLocked

11DHCP, NTP & Foundational Network ServicesUnderstand dynamic address configuration, leases, gateways, DNS options, time synchronization and why foundational services cause broad outages.Beginner · 16 min readLockedLocked

12HTTP/1.1, HTTP/2, HTTP/3 & Application-Layer NetworkingUnderstand HTTP request/response semantics, methods, status codes, headers, connection behavior, HTTP/2 multiplexing and HTTP/3 over QUIC.Intermediate · 28 min readLockedLocked

13TLS, Certificates, PKI, SNI & mTLSLearn TLS trust, certificates, hostname validation, SNI, certificate chains, mutual TLS and practical TLS debugging commands.Intermediate · 27 min readLockedLocked

14Proxies, Reverse Proxies, L4/L7 Load Balancing & Health ChecksUnderstand forward/reverse proxies, Layer 4 vs Layer 7 load balancers, TLS termination, health checks, source IP and common gateway failures.Intermediate · 25 min readLockedLocked

15Linux Networking Stack & Host ConfigurationUnderstand interfaces, addresses, routes, DNS, network namespaces, kernel settings and how applications bind to Linux sockets.Intermediate · 24 min readLockedLocked

16Linux Networking Commands: ip, ss, ping, mtr, dig, curl & ncLearn the daily Linux networking commands and what each one actually proves during troubleshooting.Intermediate · 28 min readLockedLocked

17Packet Capture & Protocol Analysis with tcpdumpUse packet capture as ground truth: interfaces, filters, handshakes, DNS, resets, retransmissions and safe production capture practices.Advanced · 27 min readLockedLocked

18Firewalls, ACLs, Stateful Security & Network SegmentationUnderstand stateful/stateless policy, host firewalls, cloud security controls, segmentation, zero-trust principles and safe policy debugging.Intermediate · 24 min readLockedLocked

19Cloud Networking Patterns Across AWS, Azure & GCPMap common cloud-networking building blocks across AWS VPC, Azure VNet and Google Cloud VPC from a platform-engineering perspective.Intermediate · 29 min readLockedLocked

20Hybrid Networking: VPN, Peering, Transit & Private ConnectivityUnderstand site-to-site VPN, routing exchange, peering, hub/transit patterns, dedicated links, private endpoints and return-path design.Advanced · 26 min readLockedLocked

21Docker Networking: Namespaces, veth, Bridge, Port Publishing & OverlayUnderstand Docker networking from Linux namespaces and bridge networks through port publishing, host mode, DNS and multi-host overlay concepts.Intermediate · 27 min readLockedLocked

22Kubernetes Networking: Pod IPs, CNI, Services, DNS & NetworkPolicyUnderstand the Kubernetes network model, CNI, Pod addressing, Services, EndpointSlices, kube-proxy/service dataplane, CoreDNS and NetworkPolicy.Advanced · 32 min readLockedLocked

23Service Discovery, North-South/East-West Traffic & Service MeshLearn service discovery patterns, ingress/egress, gateways, internal service traffic, sidecar/ambient proxy concepts and when service mesh helps.Advanced · 22 min readLockedLocked

24Network Performance: Latency, Throughput, Jitter, Loss, MTU & MSSReason about latency, bandwidth, throughput, jitter, packet loss, TCP behavior, MTU/MSS and performance bottlenecks in real systems.Advanced · 28 min readLockedLocked

25Network Observability: Flow Logs, Metrics, Logs & SRE SignalsCombine flow logs, LB metrics, DNS/TLS/app logs, packet evidence and SRE-style signals to observe networked systems.Advanced · 23 min readLockedLocked

26Production Network Debugging PlaybookApply a repeatable layer-by-layer troubleshooting workflow to DNS, route, firewall, listener, TCP, TLS, HTTP, Kubernetes and cloud incidents.Advanced · 36 min readLockedLocked

27Networking Commands Playbook: What Each Command ProvesA production command reference organized by question: identity, interface, route, DNS, port, TLS, HTTP, packet path, Kubernetes and containers.Intermediate · 30 min readLockedLocked

28Computer Networking Pro CheatsheetFinal quick-reference for models, CIDR, DNS, TCP/UDP, HTTP/TLS, routing, Linux commands, cloud/container/Kubernetes networking and debugging.Intermediate · 35 min readLockedLocked