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Routing Configuration Example

In this section we will learn how Viptela behaves while configuring Viptela Routing components. Let’s see how unicast routing is enabled on Cisco Viptela Network which consists of one vBond, one vSmart, and two vEdge router at two sites.

Topology:

IP address & Configuring Planning:

vSmart Controller Configuration

On the vSmart controller:

In first steps of Configure Viptela Routing , Configure the system properties of the vSmart controller:

vSmart1(config)# system system-ip 1.1.1.9
vSmart1(config-system)# domain-id 1
vSmart1(config-system)# site-id 50
vSmart1(config-system)# vbond 184.168.0.69

Configure the physical transport information:

Configure the IP address of the WAN-facing interface:

vSmart1(config)# vpn 0 interface eth4 ip address 10.0.16.19/24

Allow the interface to carry control-plane traffic:

vSmart1(config)# vpn 0 interface eth4 tunnel-interface

Enable the interface:

vSmart1(config)# vpn 0 interface eth4 no shutdown

Configure a default route to the WAN interface that connects to the transport cloud:

vSmart1(config)# vpn 0 ip route 0.0.0.0/0 10.0.16.19

Commit the configuration:

vSmart1(config)# commit

Full Configuration:

system
system-ip 1.1.1.9
domain-id 1
site-id 50
vbond 184.168.0.69
!
vpn 0
interface eth4
ip address 10.0.16.19/24
tunnel-interface
!
no shutdown
!
ip route 0.0.0.0/0 10.0.16.19
!

vEdge1 Router Configuration

On the vEdge1 router:

OMP is enabled by default on the vEdge router. This branch network is running BGP, and we want to advertise BGP learned routes to the vSmart controller:

GENERAL FAQ

What is the purpose of routing configuration in Cisco Viptela SD-WAN?

Routing configuration enables secure communication between different sites in the SD-WAN network. It allows controllers and vEdge routers to exchange route information, establish control connections, and forward traffic across the overlay network.

What role does the vSmart controller play in Viptela routing?

The vSmart controller acts as the control-plane brain of the SD-WAN fabric. It manages route distribution using OMP and shares routing information between vEdge routers. It also applies centralized policies that control how traffic flows across the SD-WAN network.

Why is OMP important in Cisco Viptela routing?

OMP (Overlay Management Protocol) is the primary routing protocol used in Viptela SD-WAN. It advertises routes, TLOCs, and service information between edge routers and controllers. Even if traditional routing protocols such as BGP are used at branch sites, OMP distributes the learned routes across the SD-WAN overlay.

How does a vEdge router advertise BGP routes to the SD-WAN network?

When BGP runs on a vEdge router, it learns routes from the local branch network. These routes are then redistributed into OMP. The vSmart controller receives the routes and advertises them to other vEdge routers, enabling inter-site communication.

What are the basic steps required to configure Viptela routing?

First, configure the system parameters such as system-IP, domain-ID, site-ID, and vBond address. Next, configure the transport interface details, enable the tunnel interface for control traffic, set a default route toward the transport network, and commit the configuration. After control connections are established, OMP automatically handles route exchange between devices.

Where can I practice configuring Viptela routing with a complete lab topology?

This example explains the basic routing configuration flow in Viptela SD-WAN. For hands-on labs covering OMP route control, redistribution, policy configuration, and troubleshooting with a full topology, you can explore the complete course available on the DCLessons platform.

Comment

RA

This is by far the best study material available on configuring Viptela Routing components online. I could understand all the concepts in a single session and apparently had no doubts. This is awesome study material.
- Rahul
- Apr 18, 2023

TH

If anyone wants to learn routing configuration then they should try this course by DClesson. It has helped me a lot in my networking career. I am very happy with the simplicity of the course.
- Thanos
- Jul 09, 2023

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Routing Configuration Example