Sketches of IP, Routing, Internet, Security and Life!
This post contains my notes from an old version of IPX Class on Demand by Joe Astorino. RD has no special meaning—it is only used to make potentially overlapping IPv4 addresses globally unique Route Targets are additional attributes attached to VPNv4 BGP routes to indicate VPN membership Export Route Targets identifying VPN membership are appended … Continue reading “IPExpert CoD: MPLS-VPN”
Being involved in different Data Center design projects requires you knowing how to interconnect Data Centers. Below you’ll find my notes from Cisco Data Center Design & Implementation Guide, System Release 1.0. DCI Business Drivers: HA Clusters/Geoclusters Microsoft MSCS Veritas Cluster Server (Local) Solaris Sun Cluster Enterprise VMware Cluster (Local) VMware VMotion Oracle Real Application Cluster … Continue reading “Cisco DCI Design & Implementation”
Most popular were Frame Relay or ATM technologies, providing VPN service at Layer 2. The provider had a Frame Relay or ATM backbone and supplied Layer 2 connectivity to the customer routers. This was commonly referred to as the overlay model. The service provider might have actually owned or managed the edge routers that were … Continue reading “MPLS Fundamentals: 5 – MPLS-VPN”
