MPLS + MPLS VPN Configuration Step by Step

Have you ever ordered something from a distant retailer online and then tracked the package as it made strange and seemingly illogical stops all over the country?This is similar to how IP routing works on the Internet. When an internet router receives an IP packet, it contains...

Eigrp Vrf-Lite Configuration

The acronym VRF stands for Virtual routing and forwarding is an IP-based computer network technology that allows numerous virtual routers (VRs) to live in the same router as instances or virtual router instances (VRIs). A VRF can exist on one or more physical or logical...

Understanding and Configuring PPP Multilink

In a network design, we frequently see more than one serial link between two routers. Perhaps a single serial link is insufficiently bandwidth-rich, or you require additional redundancy. Because each interface on a router requires a unique IP address, a design...

How Does Generic Routing Encapsulation Tunnel Work?

In this post, I have explained Generic Routing Encapsulation (GRE) and its configuration process. GRE is a protocol that encapsulates packets to allow other protocols to be routed over IP networks. RFC 2784 is the standard that defines GRE. Generic Routing Encapsulation...