{"id":18914793,"url":"https://github.com/laaraujo/ccna-notes","last_synced_at":"2026-03-19T07:05:32.002Z","repository":{"id":237810779,"uuid":"794876687","full_name":"laaraujo/ccna-notes","owner":"laaraujo","description":"CCNA study notes to complement modern Software Engineering skills with Networking 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returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["ccna","cisco","devops","networking","notes","study"],"created_at":"2024-11-08T10:12:53.666Z","updated_at":"2026-02-14T20:33:50.769Z","avatar_url":"https://github.com/laaraujo.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# CCNA 200-301 Notes\n\nPersonal notes for learning [CCNA](https://www.cisco.com/site/us/en/learn/training-certifications/certifications/enterprise/ccna/index.html) topics.\nOriginally intended to be Networking in general **but** since the CCNA certification is widely accepted as the go-to for Networking fundamentals I decided to stick to its program.\n\n## Contents\n\n- [Network Devices](./contents/network_devices/)\n- [Interfaces and Cables](./contents/interfaces_and_cables/)\n- [OSI model and TCP/IP suite](./contents/osi_model_and_tcp_ip_suite/)\n- [Intro to Cisco IOS CLI](./contents/intro_to_cisco_cli/)\n- [Ethernet LAN Switching](./contents/ethernet_lan_switching/)\n- [IPv4 Addressing](./contents/ipv4_addressing/)\n- [Switch Interfaces](./contents/switch_interfaces/)\n- [IPv4 Header](./contents/ipv4_header/)\n- [Routing Fundamentals](./contents/routing_fundamentals/)\n- [Static Routing](./contents/static_routing/)\n- [Life of a Packet](./contents/life_of_a_packet/)\n\n## Network node icons\n\nThe following are the icons used in most of the diagrams for this repo:\n\n![Icon used in various diagrams and examples](./docs/node_icons.png)\n\n## CLI cheat sheet\n\nThe following is a compilation of all the CLI commands used throught these notes:\n\n[Cisco IOS CLI cheat sheet](./cheat_sheet/README.md)\n\n## Sources\n\n- CCNA Course from [Jeremy's IT Lab](https://www.youtube.com/playlist?list=PLxbwE86jKRgMpuZuLBivzlM8s2Dk5lXBQ)\n\n## Contributing\n\n```bash\n# Clone this repo - https://github.com/laaraujo/ccna-notes\ngit clone git@github.com:laaraujo/ccna-notes.git\n\n# Install pre-commit - https://pre-commit.com/\npip install pre-commit\n\n# Install markdownlint-cli - https://github.com/igorshubovych/markdownlint-cli\nnpm install -g markdownlint-cli\n\n# Setup pre-commit hooks\npre-commit install\n```\n\n## This repo\n\n[laaraujo/ccna-notes](https://github.com/laaraujo/ccna-notes)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flaaraujo%2Fccna-notes","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flaaraujo%2Fccna-notes","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flaaraujo%2Fccna-notes/lists"}