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Typical Configuration Examples

SD-WAN V100R018C00

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Dual-Hub Networking with Layer 2 MPLS Uplinks

Dual-Hub Networking with Layer 2 MPLS Uplinks

Related Products

Agile Controller-Campus: V300R003C00

AR: V300R003C00

Networking Requirements

Enterprise A needs to construct a dedicated SD-WAN network. The WAN-side network is a Layer 2 MPLS network. To improve network reliability, an active hub site and a standby hub site need to be deployed. Since Enterprise A is a large-scale enterprise, hierarchical networking is required to reduce the load on each hub site. To achieve this, two branch regions each have one aggregation site deployed. Branch sites within one branch region communicate with one another through the aggregation sites, whereas branch sites in different branch regions interact with each other through the hub sites.

Solution Design

Figure 1-7 Enterprise networking

Based on customer requirements and the networking plan, perform the following tasks:

  1. Create an active hub site and a standby hub site. The aggregation site Agg1 and branch sites Site2 and Site3 are deployed in a region. The aggregation site Agg2 and branch sites Site4, Site5, and Site6 are deployed in another region. The legacy site, Site1, is not managed by the Agile Controller-Campus. Therefore, it does not need to be created on the Agile Controller-Campus.
  2. At both the hub sites, two CPEs are deployed as gateways and each CPE connects to the MPLS network through a WAN link. At both the Agg1 and Site2, one CPE is deployed as the gateway and connects to the MPLS network through two WAN links. At each of the Agg2, Site3, Site4, Site5, and Site6, one CPE is deployed as the gateway and connects to the MPLS network through a WAN link. The WAN links at all sites are configured with static IP addresses.
  3. The NTP clock synchronization mechanism is used to synchronize clocks on devices. The hub sites have NTP clock synchronization configured to synchronize their clocks with the NTP server while the aggregation sites synchronize their clocks with the hub sites and branch sites synchronize their clocks with the aggregation sites.

Data Plan

Table 1-38 Tenant information

Item

Value

Tenant Name

TenantA

Account

TenantA@test.com

Password

PassA@1234

Table 1-39 Global network parameters

Item

Value

Transport Network

MPLS1

MPLS2

Routing Domain

MPLS

MPLS

IPSec Encryption

OFF

OFF

Encryption algorithm

AES256

Pre-shared key

Generate

URL encryption key

123456

Token validity period (day)

7

AS number

65001

Network scale (based CPEs)

500

IP pool

10.200.0.0/16

DNS Server IP

8.8.8.8

Table 1-40 Information about devices

Device ESN

Device Name

Device Model

2102114484P0GC000530

Hub1_1

AR3670

2102114484P0GC000531

Hub1_2

AR3670

2102114484P0GC000532

Hub2_1

AR3670

2102114484P0GC000533

Hub2_2

AR3670

2102114484P0GC000534

Agg1_1

AR3670

2102114484P0GC000535

Agg2_1

AR3670

2102351BTJ10H1000520

Site2_1

AR161EW

2102351BTJ10H1000521

Site3_1

AR161EW

2102351BTJ10H1000522

Site4_1

AR161EW

2102351BTJ10H1000523

Site5_1

AR161EW

2102351BTJ10H1000524

Site6_1

AR161EW

Table 1-41 Site template

Item

Value

Template name

Hub

Agg1

Agg2

Branch1

Branch2

Description

-

-

-

-

-

Gateway

Dual Gateways

Single Gateway

Single Gateway

Single Gateway

Single Gateway

WAN Link

Name

MPLS1

MPLS2

MPLS1

MPLS2

MPLS1

MPLS1

MPLS2

MPLS1

Device

Device1

Device2

Device1

Device1

Device1

Device1

Device1

Device1

Interface

GE3/0/0

GE3/0/0

GE3/0/0

GE3/0/1

GE3/0/0

GE0/0/0

GE0/0/4

GE0/0/4

Transport Network

MPLS1

MPLS2

MPLS1

MPLS2

MPLS1

MPLS1

MPLS2

MPLS1

Role

Active

Active

Active

Active

Active

Active

Active

Active

Inter-CPE Link

Reuse LAN-side L2 interface

OFF

-

-

-

-

-

-

Device1 Interface

GE3/0/1

GE3/0/2

-

-

-

-

-

-

Device2 Interface

GE3/0/1

GE3/0/2

-

-

-

-

-

-

Table 1-42 ZTP configurations at hub sites

Item

Value

Site

Hub1

Hub2

Site template

Hub

Hub

Link name

MPLS1

MPLS2

MPLS1

MPLS2

Interface protocol

IPoE

IPoE

IPoE

IPoE

IP address access mode

Static

Static

Static

Static

IP address/Subnet mask

172.16.1.1/24

172.16.1.2/24

172.16.1.3/24

172.16.1.4/24

Default gateway

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

PPPoE User name

-

-

-

-

PPPoE Password

-

-

-

-

Public IP

172.16.1.1

172.16.1.2

172.16.1.3

172.16.1.4

Negotiation mode

Auto

Auto

Auto

Auto

Uplink bandwidth (Mbps)

100

100

100

100

Downlink bandwidth (Mbps)

100

100

100

100

Table 1-43 ZTP configurations at aggregation sites and branch sites

Item

Value

Site

Agg1

Site2

Site3

Agg2

Site4

Site5

Site6

Site template

Agg1

Branch1

Branch2

Agg2

Branch2

Branch2

Branch2

Link name

MPLS1

MPLS2

MPLS1

MPLS2

MPLS1

MPLS1

MPLS1

MPLS1

MPLS1

Interface protocol

IPoE

IPoE

IPoE

IPoE

IPoE

IPoE

IPoE

IPoE

IPoE

IP address access mode

Static

Static

Static

Static

Static

Static

Static

Static

Static

IP address/Subnet mask

172.16.1.6/24

172.16.1.7/24

172.16.1.8/24

172.16.1.9/24

172.16.1.10/24

172.16.1.11/24

172.16.1.12/24

172.16.1.13/24

172.16.1.14/24

Default gateway

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

172.16.1.254

PPPoE User name

-

-

-

-

-

-

-

-

-

PPPoE Password

-

-

-

-

-

-

-

-

-

Public IP

172.16.1.6

172.16.1.7

-

-

-

172.16.1.11

-

-

-

Negotiation mode

Auto

Auto

Auto

Auto

Auto

Auto

Auto

Auto

Auto

Uplink bandwidth (Mbps)

100

100

100

100

100

100

100

100

100

Downlink bandwidth (Mbps)

100

100

100

100

100

100

100

100

100

Table 1-44 NTP information at the hub sites

Item

Value

Time zone

(UTC+08:00)Beijing,Chongqing,Hong Kong,Urumqi

NTP authentication

ON

Authentication password

ntp123

Authentication key id

456789

NTP client mode

Manual Configuration

Device

Hub1_1

Hub1_2

Hub2_1

Hub2_2

WAN Link

MPLS1

MPLS2

MPLS1

MPLS2

NTP Server Address

10.10.1.1

10.10.1.1

10.10.1.1

10.10.1.1

Authentication

OFF

OFF

OFF

OFF

Table 1-45 NTP information at aggregation sites and branch sites

Item

Value

Time zone

(UTC+08:00)Beijing,Chongqing,Hong Kong,Urumqi

NTP authentication

OFF

NTP client mode

Automatic Synchronization with Parent Node

Procedure

  1. Log in to the Agile Controller-Campus as a tenant administrator.
  2. Set global network parameters.

    1. Choose Configuration > Global Parameters.
    2. Configure a transport network.

    3. Set IPSec encryption parameters.

      Select Encryption algorithm and click Generate. A PSK is generated.

    4. Configure device activation security.

      Enter a URL encryption key, and set Token validity period.

    5. Click Apply Changes.
    6. Click Virtual Network. The Virtual Network page is displayed.
    7. Configure a route.

      Enter the AS number of the BGP route. The default value is 65001.

    8. Select the number of sites and add an address pool.

    9. Add the DNS server IP address.

    10. Click Apply Changes.

  3. Add devices in batches based on ESNs.

    1. Choose Device Management > Device List. The Device List page is displayed.
    2. Click Add Device and set Addition method to Batch import.
    3. Click Template to download the template file.
    4. Fill in the template with required information and save the file.
    5. Click , select the configured template file, and click Upload.
    6. Confirm the imported data, select the data to be created for CPEs, and click OK.

  4. Create three site templates for the hub sites, aggregation sites, and branch sites separately.

    1. Choose Configuration > Site > Template. On the Site Template page that is displayed, click Create.
    2. Enter the template information and click OK.
    • Hub site template

    • Aggregation site template

    • Branch site template

  5. Create hub sites, aggregation sites, and branch sites.

    1. Choose Configuration > Site.
    2. On the Site page that is displayed, click Create. Set Creation mode to Single.
    3. Enter the site information, and select the site template configured in the previous step. For a branch site, you need to select the hub site to which it connects.
    4. Under Add Device, select the devices added in the previous step.
    5. Click OK.
    • Hub sites

    • Aggregation site Agg1 and branch sites in the region

    • Aggregation site Agg2 and branch sites in the region

  6. Configure ZTP for sites.

    1. Configure WAN links for hub sites.
      1. Choose Configuration > Site > ZTP Configuration. The ZTP Configuration page is displayed.
      2. In the Not Activated list, click the created site. The WAN Link page displays link information.
      3. Click in the Operation column.
      4. In the Set WAN Link dialog box that is displayed, configure WAN link parameters of the site.
      5. Click Apply Changes to complete the WAN link configuration.
      • WAN link configuration for Hub1

      • WAN link configuration for Hub2

    2. Configure NTP for hub sites.
      1. Click NTP.
      2. On the NTP page that is displayed, select a time zone. Enter the NTP information and click Apply Changes to complete the NTP configuration.
      • NTP configuration for Hub1

      • NTP configuration for Hub2

    3. Configure WAN links for the aggregation sites and branch sites.

      Perform the same operations as those for the hub sites to configure WAN link parameters for the aggregation sites and branch sites, and click Apply Changes.

      • WAN link configuration for Agg1

      • WAN link configuration for Site2

      • WAN link configuration for Site3

      • WAN link configuration for Agg2

      • WAN link configuration for Site4

      • WAN link configuration for Site5

      • WAN link configuration for Site6

    4. Configure ZTP at the aggregation sites and branch sites.
      1. Choose Configuration > Site > ZTP Configuration. The ZTP Configuration page is displayed.
      2. In the Not Activated list, click the created site, and click NTP.
      3. On the NTP page that is displayed, select a time zone.
      4. Set NTP client mode to Automatic Synchronization with Parent Node.
      5. Click Apply Changes.

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Updated: 2019-03-04

Document ID: EDOC1100036696

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