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What is BGP?
What is BGP? Border Gateway Protocol (BGP) is the only exterior gateway protocol in use today, and its role is to exchange routing information between organizations. BGP is a standard-based protocol defined in RFC 4271 and is the successor of EGP. https://youtu.be/lWzHSsR5E1o BGP Necessity Large networks, including the Internet, are based on the Autonomous System…
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Routing Protocol Design
This blog post will cover the following topics: Routing Protocol Concepts Routing Information Protocol (RIP) Enhanced Interior Gateway Routing Protocol (EIGRP) Open Shortest Path First (OSPF) Intermediate System to Intermediate System (IS-IS) IPv6 Routing Concepts https://youtu.be/xTYtG0F5OqY A high-level analysis of network routing protocols, with a focus on the architectural aspects that dictate the routing protocol…
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VTP and VLANs Explained
VLANs and VTP - The VLAN Trunking Protocol In this post, we are going to be learning about Virtual Local Area Networks (VLANs) and the VLAN Trunking Protocol (VTP). A VLAN is a logical grouping of hosts that appear to be on the same LAN regardless of their physical location. The VLAN Trunking Protocol is…
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Advanced Routing Protocol Design – OSPF, EIGRP and BGP
This blog covers the following topics: Stable and scalable routing designs for EIGRP for IPv4 Stable and scalable routing designs for OSPF for IPv4 Stable and scalable routing designs for BGP for IPv4 We cover these topics in the CCNP ENARSI course. This chapter is essential for CCNP ENARSI certification and it will begin by…
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RSTP Tutorial – Rapid Spanning Tree Protocol
Rapid Spanning Tree Protocol Overview The IEEE 802.1D standard was designed at a time when the recovery of connectivity after an outage within a minute or so was considered adequate performance. In the IEEE 802.1D Spanning Tree Protocol (STP) , recovery takes around 50 seconds, which includes 20 seconds for the Max Age timer to…
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