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Typical Configuration Examples

SD-WAN V100R018C00

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Configuring Centralized Internet Access Through WAN-side Internet Links of Hubs

Configuring Centralized Internet Access Through WAN-side Internet Links of Hubs

Related Products

Agile Controller-Campus: V300R003C00

AR: V300R003C00

Networking Requirements

Figure 1-20 shows the SD-WAN networking of Enterprise A. On this network, the hub site and branch sites are connected to the Internet through Internet links. The legacy site is directly connected to the MPLS network through an MPLS link and can only access the Internet through the hub site. The enterprise requires that all sites can access the Internet.

Figure 1-20 Enterprise networking

Solution Design

The tenant administrator has completed SD-WAN network configurations.

  1. The hub site functions as the gateway for centralized Internet access. Branch sites and the legacy site can access the Internet through the WAN-side Internet link of the hub site.
  2. Site2 and Site3 have local and therefore preferentially access the Internet locally.
  3. Local Internet access also needs to be enabled at the hub site.

Data Plan

Table 1-64 Site-to-Internet policy information



Centralized Internet access

Internet GW


Local Internet access


Hub1, Site2, Site3

Link Priority






  1. Log in to the Agile Controller-Campus as a tenant administrator.
  2. Finish creating sites.
  3. Configure Internet access policies for the overlay networks.

    1. Choose Configuration > Traffic Policy.
    2. Click Site-to-Internet, and the Site-to-Internet page is displayed.
    3. Configure centralized Internet access.
      1. Enable Centralized Internet access and click .
      2. In the displayed Select Site dialog box, select a site as the Internet access gateway and click .
      3. Click OK.

    4. Configure local Internet access.
      1. Enable Local Internet access.
      2. Click Create. Select the sites to access the Internet in local mode.

      3. Click in the Operation column. Enable NAT and activate the egress link. Configure a different link priority for each link. Onthe main page, click Apply Changes.

Updated: 2019-03-04

Document ID: EDOC1100036696

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