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Typical Configuration Examples

SD-WAN V100R018C00

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Configuring Hybrid Internet Access Through Local Internet Links and LAN-side Links of Hubs

Configuring Hybrid Internet Access Through Local Internet Links and LAN-side Links of Hubs

Related Products

Agile Controller-Campus: V300R003C00

AR: V300R003C00

Networking Requirements

Figure 1-21 shows the SD-WAN networking of Enterprise A. On this network, hub sites access the Internet on the LAN side. Site2 is only connected to the MPLS network through two MPLS links. Site3 and Site4 are connected to the Internet through Internet links. The enterprise requires that all sites can access the Internet.

Figure 1-21 Enterprise networking

Solution Design

The tenant administrator has completed SD-WAN network configurations. There are reachable routes between CPEs at the active and standby hub sites and the Internet on the LAN side.

  1. Site2 uses the centralized Internet access mode, and thereby Site2 can access the Internet through the Internet links of hub sites.
  2. Site3 and Site4 preferentially use local Internet links to access the Internet.
  3. Intranet users at hub sites access the Internet through the LAN-side Internet link, and services are not forwarded to CPEs at hub sites.

Data Plan

Table 1-65 Site-to-Internet policy information

Item

Value

Centralized Internet access

Internet GW

Hub1 and Hub2

Local Internet access

Site

Site3 and Site4

Link Priority

WAN links of Site3

Internet1

2

WAN links of Site4

Internet1

2

Internet2

1

Policy

All

Procedure

  1. Log in to the Agile Controller-Campus as a tenant administrator.
  2. Finish creating sites.
  3. Configure a site-to-Internet policy for the overlay network.

    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 Select Site dialog box that is displayed, select a site as the Internet gateway, and click .
      3. Click OK.

    4. Configure local Internet access.
      1. Enable Local Internet access.
      2. Click Create and select a site.

      3. Click in the Operation column to activate the egress link. Enable NAT for Internet links and configure a different link priority for each link. Click Apply Changes to complete configurations on the main page.

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Updated: 2019-03-04

Document ID: EDOC1100036696

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