For years, enterprise cloud networking was built around a simple assumption: pick a primary cloud provider, connect the data center to it, and expand from there. That model no longer reflects how many organizations actually operate. Today,...
BGP community attribute is a transitive optional attribute that we use for tagging (marking) a set of prefixes sharing a common property. Every BGP update...
The Internet consists of Internet Service Providers (ISPs) of all shapes and sizes. ISPs have two options when it comes to connecting to the Internet. They...
The Internet is for everyone, yet not everyone accepts that. In light of the news about Cogent Communications and Lumen Technologies disconnecting clients in...
What is Anycast? Anycast is not a new version of IP or the latest networking technology. The RFC 1546 describing Internet anycasting for IP has been with us...
We often get support tickets from users saying that the amount of data shown in NFA does not correlate with SNMP or is simply missing at times. Quite often,...
YANG Data Modeling Language Yet Another Next Generation (YANG) RFC 6020 is standard-based data modeling language for the NETCONF management protocol. YANG is...
This article highlights the importance of the Source ID and Observation Domain ID fields when several metering processes are running on the exporter...
The name of a network interface is a string that is generated based on the interface attributes. This is a predictable naming scheme used in OS Linux that...
BGP Flowspec technology provides a more granular approach to Denial of Service (DoS) attacks mitigation when compared to old-school methods, such as Remotely...
In general, a Pseudowire (PW) is an emulation of a point-to-point connection over a packet-switched network (PSN). To put it simply, PW is an emulated...
In order to get end-to-end visibility for applications, we need complete topology data from IGP domains. One approach is to set up a central SDN controller as...
Have you ever found that a network usage reported by your commercial NetFlow analyzer does not match the actual values or that software contains bugs? …