Airheads Tech Talks: SD-WAN-Routing(Underlay and Overlay) and PBR Enhancement

Presented by

Karthikeyan Mookkandi, Aruba TAC

About this talk

Aruba’s SD-Branch solution leverages WAN services that interconnect hub and spoke sites to establish VPN tunnels which encapsulate and forward corporate traffic. Each WAN service is referred to as the underlying network while the VPN tunnels form the overlay network. Reachability and forwarding through the underlay and overlay networks is achieved using IP routing on gateways. The VPNCs and BGWs each implement their own routing tables to determine the next-hop for each IP packet on its way to the desired destination. The routing tables on the BGWs consist of default gateways and static routes while the routing tables on VPNCs consist of default gateways, static, IKEv2, and OSPF routes Agenda: 1. Introduction to underlay and overlay routing. 2. Configuration of Overlay routing. 3. What is PBR. 4. Traffic using with PBR/DPS 5. Configuration and troubleshooting.

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