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KSNAM97/README.md

πŸ‘‹ Hi there, I'm KiSukNam

🌐 Aspiring Network Engineer | λ„€νŠΈμ›Œν¬ μ—”μ§€λ‹ˆμ–΄ 지망생


πŸ› οΈ Hands-on labs with GNS3 β€” Routing, Switching, and more
πŸ“š Building my network engineering portfolio through real lab projects
🎯 Learning by building & breaking networks, not just theory
πŸ’Ό Background in PC/OA Support, transitioning to networking


πŸ› οΈ GNS3 기반 λ„€νŠΈμ›Œν¬ μ‹€μŠ΅ 진행 쀑
πŸ“š μ‹€μ œ LAB ν”„λ‘œμ νŠΈλ‘œ 포트폴리였 ꡬ좕 쀑
🎯 이둠보닀 직접 κ΅¬μ„±ν•˜κ³  νŠΈλŸ¬λΈ”μŠˆνŒ…ν•˜λ©° ν•™μŠ΅
πŸ’Ό PC/OA 지원 κ²½λ ₯ β†’ λ„€νŠΈμ›Œν¬ λΆ„μ•Όλ‘œ μ „ν™˜ 쀑


πŸ›  Tech Stack

🌐 Networking
Cisco IOS CLI

πŸ§ͺ Network Simulation & Labs
GNS3 Packet Tracer

πŸ”§ Tools & Collaboration
GitHub

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πŸ“š Study Index

🌐 λ„€νŠΈμ›Œν¬ 기초
  • Network Basics β€” OSI 7계측, TCP 3-Way Handshake, ARP/ICMP
  • Router Basics β€” Mode / Interface / CDP / Password / Routing
  • Frame Relay β€” Frame-Relay κΈ°λ³Έ ꡬ성
πŸ”€ λΌμš°νŒ… (Routing)
  • Router L3 (WAN) β€” NAT / DHCP / Telnet / SSH / NTP
  • EIGRP Advanced β€” Summary / Offset-list / SIA / Timer
  • OSPF Advanced β€” LSA-Type / Stub / NSSA / Summary
  • Route Filtering β€” Prefix-list / Distribute-list / Route-map / Passive-interface
  • Redistribute β€” OSPF / EIGRP / RIP / Static κ°„ μž¬λΆ„λ°°, metric / route-map μ œμ–΄
πŸ” μŠ€μœ„μΉ­ (Switching)
  • Switch L2 β€” VLAN / VTP / STP
  • Switch L3 β€” Routed Port / SVI / Inter-VLAN Routing / EIGRP / OSPF
πŸ” VPN & Tunneling
  • GRE Tunnel β€” Point-to-Point GRE 터널 ꡬ성 및 터널 λΌμš°νŒ… (OSPF/EIGRP + NAT)
  • GRE over IPsec β€” Site-to-Site VPN / Tunnel Mode / Transport Mode / Static & Dynamic Routing
  • IPsec Network Security Lab β€” IPsec VPN + μ•”ν˜Έ μ‹œμŠ€ν…œ 이둠 정리
πŸ”’ λ³΄μ•ˆ (Security)
  • ACL Advanced β€” Standard / Extended / Named ACL, μ™€μΌλ“œμΉ΄λ“œ 마슀크, νŠΈλž˜ν”½ 필터링
  • Port Security β€” MAC 기반 포트 μ ‘κ·Ό μ œμ–΄, Violation λͺ¨λ“œ(protect/restrict/shutdown), Sticky
  • CBAC (Context-Based Access Control) β€” Cisco IOS Stateful λ°©ν™”λ²½ 기반 Traffic Filtering λ³΄μ•ˆ μ†”λ£¨μ…˜
🏒 톡합 μ‹€μŠ΅ ν”„λ‘œμ νŠΈ
  • EIGRP Multi-ISP β€” EIGRP AS 100 기반 Multi-ISP λ°±λ³Έ + Route Summarization
  • OSPF + ACL Multi-ISP β€” OSPF Multi-ISP λ°±λ³Έ + ACL μ‹€μŠ΅
  • Campus Network β€” L2+L3+OSPF+NTP+Security μ’…ν•© (EtherChannel / VTP / STP / SVI / Inter-VLAN / DoS λ°©μ–΄)

πŸ“Œ Featured Labs

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πŸ“Š GitHub Stats

Anurag's GitHub stats GitHub Streak 3D Contrib

πŸ“« Visitors

Visitors

Pinned Loading

  1. CISCO-SWITCH-L2STUDY CISCO-SWITCH-L2STUDY Public

    Cisco L2 μŠ€μœ„μΉ˜(VLAN, VTP, STP) λ„€νŠΈμ›Œν¬ ꡬ좕 μ‹€μŠ΅ (Cisco IOS / GNS3)

  2. Cisco-Switch-L3-Study Cisco-Switch-L3-Study Public

    Cisco L3 μŠ€μœ„μΉ˜(Routed Port / SVI / VTP / Inter-VLAN Routing / EIGRP / OSPF) λ„€νŠΈμ›Œν¬ ꡬ좕 μ‹€μŠ΅ (Cisco IOS / GNS3/Cisco Packet Trace)

  3. NETWORK-BASIC-STUDY NETWORK-BASIC-STUDY Public

    ν†΅μ‹ μ˜ κΈ°λ³Έ κ°œλ…(μΊ‘μŠν™”, ν”„λ‘œν† μ½œ), LAN/WAN, OSI 계측별 μ£Όμ†Œ 체계, TCP 3-Way Handshake, ARP/ICMP λ™μž‘

  4. CISCO-ROUTER-L3STUDY CISCO-ROUTER-L3STUDY Public

    Cisco Router 핡심 μ„œλΉ„μŠ€ 정리 β€” NAT Β· DHCP Β· Telnet Β· SSH Β· NTP

  5. Frame-Relay-Basic-Study Frame-Relay-Basic-Study Public