How Does TCAM Work in Routers?
In a previous post, I asked if TCAM is still needed in modern routers. In this post, I will examine how TCAM works in routers and provide some more insight into TCAM. In a router, TCAM stores and processes rules …
How Route Servers Work on an Internet Exchange Point (IXP)
In the world of Internet connectivity, Internet Exchange Points (IXPs) play a crucial role in facilitating efficient traffic exchange between networks. Within this ecosystem, route servers act as intermediaries to streamline the process of establishing connections, known as peering, between …
Overview of OSPF and BGP Differences and why
Having done consulting for years I saw many instances where BGP, especially ibgp, was used where OSPF would have been a better fit. Sometimes, this was for a specific reason; sometimes, it was just not knowing better. I am from …
Understanding the Different Types of OSPF Areas: A Guide
Open Shortest Path First (OSPF) is one of the most widely used link-state routing protocols in large enterprise networks, known for its scalability and efficiency in handling complex topologies. One of the key features that makes OSPF flexible is its …
Why BGP is the Backbone of the Internet: Understanding the Importance of Border Gateway Protocol
The Internet, as we know it today, is a vast network of interconnected systems that allow seamless communication, data transfer, and access to information. But have you ever wondered how data finds its way across such a sprawling network? This …
Understanding BGP MED: What It Is and Why It Matters
In the realm of networking, BGP (Border Gateway Protocol) is a crucial component that helps determine how data is routed across the internet. One of the many attributes within BGP is MED, or Multi-Exit Discriminator. But what exactly is BGP …
/127s for IPv6 Point -To-Point links
/127’s for point-to-point links (RFC 6164) instead of /64’s https://datatracker.ietf.org/doc/html/rfc6164 [RFC4291] specifies that interface IDs for all unicast addresses, except those that start with the binary value 000, are required to be 64 bits long and to be constructed in …
Designing a modular network
Several of you have heard me discuss modular network design, which has five distinct advantages. 1. ScalableYou can upgrade pieces more easily than all-in-one devices. Upgrading a certain module for that big new client might mean the difference between being …
Some random IpV6 tools
http://www.subnetonline.com/pages/ipv6-network-tools/online-ipv6-ping.phpIPV6 Ping tool http://www.subnetonline.com/pages/subnet-calculators/ipv6-subnet-calculator.phpIPV6 Subnet Calculator