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Typical Configuration Examples

SD-WAN V100R018C00

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Configuring Communication Between SD-WAN Sites and the Legacy Site in Hybrid Access Mode

Configuring Communication Between SD-WAN Sites and the Legacy Site in Hybrid Access Mode

Related Products

Agile Controller-Campus: V300R003C00

AR: V300R003C00

Networking Requirements

Figure 1-24 shows the SD-WAN networking of Enterprise A. On this network, Site1 is a legacy site outside an SD-WAN network. The enterprise requires that all SD-WAN sites communicate with Site1.

Figure 1-24 Enterprise networking

Solution Design

The tenant administrator has completed SD-WAN network configurations. The active and standby hub site are each connected to the MPLS network through an MPLS link. Site1 is also connected to the MPLS network. Site2 and Site3 are connected to the MPLS network, whereas Site4 is connected only to the Internet. Therefore, Site2 and Site3 communicate with Site1 through local MPLS links in local access mode, while Site4 communicates with Site1 through the hub sites in centralized access mode.

Data Plan

Table 1-68 Site-to-legacy site policy information

Item

Value

Centralized access

Hub1, Hub2

Link Priority

WAN links at Hub1

MPLS1

3

WAN links at Hub2

MPLS1

3

Local access

Site2, Site3

Link Priority

WAN links at Site2

MPLS1

3

MPLS2

2

WAN links of Site3

MPLS1

3

Procedure

  1. Log in to the Agile Controller-Campus as a tenant administrator.
  2. Finish creating sites.
  3. Configure a site-to-legacy site policy at hub sites on the overlay network to enable communication between SD-WAN sites and the legacy site.

    1. Choose Configuration > Traffic Policy.
    2. Click Site-to-Legacy Site.
    3. Configure centralized access mode.
      1. On the Site-to-Legacy Site tab page, enable Centralized access.
      2. Click Create, select hub sites and click IGW to enable the gateway function for communication between SD-WAN sites and legacy sites.

      3. Click in the Operation column to activate the egress link and configure the link priority.

    4. Configure local access mode.
      1. On the Site-to-Legacy Site tab page, enable Local access.
      2. Click Create and select a site.

      3. Click in the Operation column to activate the egress link. Configure the link priority and click Apply Changes on the main page.

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Updated: 2019-03-04

Document ID: EDOC1100036696

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