BGP Local Autonomous System

BGP Local Autonomous System

CUSTOMER uses XYZ ISP. Assume that if in a case XYZ goes down or overtakes by another ISP like ABC above example is set for the understanding of the LOCAL AS feature. You see here CUSTOMER has 300 AS and XYZ has 200 AS. In the case of overtaking XYZ via ABC then we cannot … Read more

What does DHCP Lookup Failed mean?

What does DHCP Lookup Failed mean

What does DHCP lookup Failed mean? If you’re getting a “DHCP lookup failed” error, it means that your computer is unable to connect to the internet because it can’t get an IP address from a DHCP server. This can be caused by a number of things, including: If you’re getting this error, you’ll need to … Read more

What is Cisco MPLS Multi VRF Lab?

What is Cisco MPLS Multi VRF Lab

The Cisco MPLS Multi VRF Lab is a dynamic and cutting-edge network technology environment designed to explore the fascinating world of Multi-Virtual Routing and Forwarding (Multi-VRF) within the context of Cisco’s extensive networking solutions. This lab provides a hands-on experience where you can delve into the intricacies of MPLS and VRF, gaining a deep understanding … Read more

A Guide to Using BGP Communities for Network Control and Documentation


The Border Gateway Protocol (BGP) is the routing protocol that glues the internet together. BGP allows different autonomous systems (AS), such as Internet Service Providers, to exchange routing information with each other. This allows each AS to build a consistent view of the global internet routing table and calculate the best paths to deliver traffic. … Read more