L3VPN
L3VPN – Hub & Spoke VPN: One Interface
1. Intro In an MPLS L3VPN, Hub-and-Spoke is a VPN topology where spoke sites cannot communicate directly with each other. Traffic between spokes must pass through the hub PE/site. This is commonly used when the hub provides centralized firewalling, Internet access, shared services, security inspection, or centralized routing. The are two main categories for configuring […]
L3VPN – Hub & Spoke VPN: Two Interfaces
1. Intro In an MPLS L3VPN, Hub-and-Spoke is a VPN topology where spoke sites cannot communicate directly with each other. Traffic between spokes must pass through the hub CE. This is commonly used when the hub provides centralized firewalling, Internet access, shared services, security inspection, or centralized routing. The are two main categories for configuring […]
L3VPN – auto-export
1. Intro The auto-export statement enables you to leak routes between VRF instances that are locally configured on a PE router. Auto export is always applied on the local PE router, because it applies to only local prefix leaking by evaluating the export policy of each VRF and determining which route targets can be leaked. […]