A 30-year-old protocol that still has its value: - BGP protocol. It is also called the Two Napkin Protocol (Not an official name). If I look at a bit of the history of this protocol then in 1989 when Kirk Lougheed, Len Bosack, and Yakov Rekhter were sharing a meal at an IETF conference. They famously sketched the outline of their new routing protocol on the back of some napkins, hence often ...
Basic of BGP routing Protocol – A Two Napkin Protocol – Part 1
This series focuses on the BGP routing protocol and will be presented across multiple articles due to the depth and length of the content. Some information may be referenced from other sources and simplified for better understanding.
Basic of BGP routing Protocol – A Two Napkin Protocol – Part 2
The BGP Prefix-Based Outbound Route Filtering feature uses Border Gateway Protocol (BGP) outbound route filter (ORF) send and receive capabilities to minimize the number of BGP updates that are sent between BGP peers.
BGP Zero to Hero Part 8, BGP filtering methods - Cisco Learning Network
In this document I aim to explain the various options that you as a Network Operator can use to influence your inbound traffic flow via BGP. This topic is critical to understand for the CCNP ROUTE exam and introduces you to some good theory with regards to BGP policy enforcement. Prerequisite knowledge Understanding of basic BGP operations Understanding of BGP neighbour types (iBGP/eBGP ...
BGP Replace Autonomous System Numbers (ASNs) feature is a BGP policy on the router that allows replacing any of the configured AS number with its own AS. Many AS numbers can be specified to allow such a replace to happen to more than one AS number using the AS_PATH attribute.