Stream of Knowledge

Day 4 — BGP Transport Mechanics: TCP/179, Reachability, Update-Source and eBGP Multihop

By Haider Raza August 29, 2026

Learning objective Build and troubleshoot a BGP session whose peer addresses are loopbacks, explaining the separate roles of IP reachabilit...

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Day 3 — eBGP vs iBGP: Session Roles, Propagation Rules and Forwarding Implications

By Haider Raza August 26, 2026

Learning objective Explain how eBGP and iBGP serve different roles, predict how routes propagate between them, and diagnose the classic cas...

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Day 2 — Autonomous System Numbers: 2-Byte, 4-Byte, Private Space and Operational Ownership

By Haider Raza August 23, 2026

Learning objective Distinguish public and private ASNs, understand 2-byte and 4-byte ASN operation and notation, and configure a safe lab u...

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Reticux Day 1 — Why BGP Exists: Interdomain Routing, Policy and Autonomous Systems

By Haider Raza August 22, 2026

Learning objective By the end of this post, the reader should be able to explain why BGP is required between independently administered rou...

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IP addressing and subnetting Guide - CCNA CCNP - Networking

By Haider Raza April 27, 2026

IP Address Classes Figure 1 IP Classes Private Address Space Class A 10.0.0.0 to 10.255.255.255 Class B 172.16.0.0 to 172.3...

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Day 4 — BGP Transport Mechanics: TCP/179, Reachability, Update-Source and eBGP Multihop

Day 3 — eBGP vs iBGP: Session Roles, Propagation Rules and Forwarding Implications

Day 2 — Autonomous System Numbers: 2-Byte, 4-Byte, Private Space and Operational Ownership

Reticux Day 1 — Why BGP Exists: Interdomain Routing, Policy and Autonomous Systems

IP addressing and subnetting Guide - CCNA CCNP - Networking

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