Learning SD-WAN with Cisco: Transform Your Existing WAN Into a Cost-effective Network

© Stuart Fordham 2021

S. FordhamLearning SD-WAN with Cisco https://doi.org/10.1007/978-1-4842-7347-0_9

9. Routing

Stuart Fordham¹  

(1)

Bedfordshire, UK

 

In this chapter, we are going to use templates to set up routing in our network. Cisco’s SD-WAN supports dynamic routing by way of OSPF, BGP in vEdge, and the IOS XE cEdge. The latter also supports EIGRP, IS-IS, and LISP. We are not going to go through all of them; instead, we will use the “public” Internet for OSPF and our “MPLS” link for BGP. The reason we are not going to do the others is that OSPF and BGP redistribute nicely into OMP, whereas the others don’t.

OSPF

Our OSPF network is going to look like Figure 9-1.

Figure 9-1

The OSPF network

As you will recall, we lost our VPN 1s when we applied our ...