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Linux Networking Tools

Portal | All Topics | Domain: Networking | Tier: 1

Also known as: ip-command, ss, tcpdump, ethtool, nmcli, mtr, traceroute


📘 Topic Packs

Asset Level Time Status
Mental Models (Core Concepts) L0 4h solid
Networking Deep Dive L1 6h solid
Networking Troubleshooting L1 5h solid
VPN & Tunneling L2 5h solid
Wireshark & Packet Analysis L2 4h solid
iptables & nftables L1 4h solid

⚡ Drills

Asset Level Time Status
Networking Drills L1 30m solid

🎯 Scenarios

Asset Level Time Status
Scenario: Asymmetric Routing L2 20m solid
Scenario: Duplex Mismatch L1 20m solid
Scenario: MTU Blackhole L2 20m solid
Scenario: NIC Flapping / LACP Mismatch L2 20m solid
Scenario: OOB Unreachable but Host Responds L2 20m solid

🔍 Case Studys

Asset Level Time Status
Case Study: API Latency Spike — BGP Route Leak, Fix Is Network ACL L2 30m solid
Case Study: ARP Flux Duplicate IP L2 30m solid
Case Study: DHCP Relay Broken L1 30m solid
Case Study: Duplex Mismatch Symptoms L1 30m solid
Case Study: IPTables Blocking Unexpected L2 30m solid
Case Study: Jumbo Frames Partial L2 30m solid
Case Study: Service Mesh 503s — Envoy Misconfigured, RBAC Policy L2 30m solid
Case Study: Source Routing Policy Miss L2 30m solid
Case Study: Stuck NFS Mount L2 30m solid
Ops Archaeology: The Certificate That Works Sometimes L2 30m solid
Ops Archaeology: The Cluster That Disagrees With Itself L2 30m solid
Ops Archaeology: The DR That Looks Ready But Isn't L2 30m solid
Ops Archaeology: The Gateway That Returns 502 L1 30m solid
Ops Archaeology: The Replica That Fell Behind L2 30m solid
Ops Archaeology: The Requests That Vanish L2 30m solid

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