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Typical Configuration Examples

SD-WAN V100R018C00

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of Configuration Changes in Different Branch Site Networking Modes

Overview of Configuration Changes in Different Branch Site Networking Modes

Common branch site networking modes include single-CPE single-link, single-CPE dual-link, dual-CPE dual-link, and dual-CPE multi-link (rarely used). The uplinks of a branch can be MPLS links, Internet links, or both MPLS and Internet links.

Table 4-1 Common branch site networking modes

Networking Mode

Sample Diagram

Networking Mode

Sample Diagram

Single-CPE single-link (Internet)

Single-CPE single-link (MPLS)

Single-CPE dual-link (MPLS)

Single-CPE dual-link (Internet)

Single-CPE dual-link (MPLS and Internet)

Dual-CPE dual-link (MPLS)

Dual-CPE dual-link (Internet)

Dual-CPE dual-link (MPLS and Internet)

The configuration roadmap is as follows:

  1. Create a branch site based on the new networking requirements and complete site configuration.
  2. Replace the old branch site with the new one.
  3. Deploy and register CPEs at the new site with the Agile Controller-Campus.

The major focuses of network configuration changes of branch sites are creating a new site and completing the service configuration for the site. This section provides several typical examples of configuration change scenarios. The other configuration change scenarios may differ slightly from the typical examples documented in this section. Table 4-2 lists the configuration differences for reference.

Table 4-2 Configuration change scenarios of branch sites

No.

Networking Mode Before the Change

Networking Mode After the Change

Reference Case

Configuration Notes

1

Single-CPE single-link (Internet)

Single-CPE dual-link (Internet)

Changing Single-CPE Single-Link (MPLS) Networking to Single-CPE Dual-Link (MPLS and Internet)

Unlike the reference case, the branch site after the change uses two Internet links for connecting to the upstream network. In this situation, you need to configure two Internet links as the WAN links when creating a site template (Step 3) and completing the ZTP configuration (Step 6).

2

Single-CPE single-link (MPLS)

Single-CPE dual-link (MPLS)

Unlike the reference case, the branch site after the change uses two MPLS links for connecting to the upstream network. In this situation, you need to configure two MPLS links as the WAN links when creating a site template (Step 3) and completing the ZTP configuration (Step 6).

3

Single-CPE single-link (Internet)

Single-CPE dual-link (Internet and MPLS)

-

4

Single-CPE dual-link (MPLS)

-

5

Single-CPE single-link (Internet)

Dual-CPE dual-link (Internet)

Changing Single-CPE Single-Link (MPLS) Networking to Dual-CPE Dual-Link (MPLS and Internet) Networking

Unlike the reference case, the branch site after the change uses two Internet links for connecting to the upstream network. In this situation, you need to configure two Internet links as the WAN links when creating a site template (Step 3) and completing the ZTP configuration (Step 6).

6

Single-CPE single-link (MPLS)

Dual-CPE dual-link (MPLS)

Unlike the reference case, the branch site after the change uses two MPLS links for connecting to the upstream network. In this situation, you need to configure two MPLS links as the WAN links when creating a site template (Step 3) and completing the ZTP configuration (Step 6).

7

Single-CPE single-link (Internet)

Dual-CPE dual-link (Internet and MPLS)

-

8

Single-CPE dual-link (Internet and MPLS)

-

9

Single-CPE dual-link (MPLS)

-

10

Dual-CPE dual-link (MPLS)

-

11

Single-CPE dual-link (Internet)

Single-CPE single-link (Internet)

Changing Dual-CPE Dual-Link (MPLS and Internet) Networking to Single-CPE Single-Link (Internet) Networking

-

12

Dual-CPE dual-link (Internet and MPLS)

-

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Updated: 2019-03-04

Document ID: EDOC1100036696

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