Recent disruptions to two undersea internet cables in the Baltic Sea have yet again highlighted a pressing issue for businesses worldwide: the vulnerabilities inherent in our global communications infrastructure. These incidents, occurring amid...
This blog post discusses BGP Labeled Unicast (BGP-LU) which is used in multi-regional networks to carry the label information. While the RFC3107 “Carrying...
The aim of this article is to discuss the importance of Recursive Lookup in BGP. First of all we need to understand the purpose of the recursion method and...
RFC 7311 defines an optional non-transitive BGP attribute called the Accumulated IGP Metric Attribute (AIGP). As we know, IGP stands for Interior Gateway...
Quality of Service (QoS) refers to a collection of technologies that networking devices use to apply different treatment to packets as they pass through the...
We have recently posted the BGP Route Aggregation eBook that discusses the benefits of route aggregation and explains the various optional parameters...
The unstable route whose availability alters repeatedly is called a flap. When flaps occur, an excessive number of BGP UPDATE messages are sent to BGP peers...
The BGP Attribute Filter feature enables BGP speakers to take a certain action based on the presence of a specified path attribute inside the UPDATE message...
Full iBGP Mesh and Route Reflection To avoid loops in a Full iBGP Mesh, BGP routers are only allowed to learn prefixes over iBGP from the router that...
Network Address Translation (NAT) was originally described in RFC 1631. Although initially presented as a short term solution for preventing the IPv4...
The BGP advertisement of a prefix with new attributes replaces the previous announcement of that prefix. This behavior is known as an Implicit Withdraw, which...
In this blog post, we will take a look at Kevin Myers's presentation where he discusses deployment of both OSPF and BGP routing protocols in order to select...
What is BGP Hijacking? BGP hijacking is an illicit process of taking control of a group of IP prefixes assigned to a potential victim. Either intentionally or...
