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Today I will introduce two link state protocols: IS-IS and OSPF, but I only briefly introduce IS-IS, and focus more on the OSPF – Open Shortest Path First.
Playlists:
Routing and Switching
   • Switching and Routing  
IPv4 Basics IPv4 Basics
   • Tricks to five classes of IPv4  
Cyber Attacks and Defense
   • AAA framework: TACACS+ vs RADIUS  
Basic Cryptography
   • Private Key Encryption (Symmetric Key...  
Advanced Cryptography:
   • What is digital signature?  
Public Key Infrastructure
   • Why digital certificate?  

Remote Access & WAN Technologies
   • Circuit Switching vs. Packet Switching