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Typical Configuration Examples

SD-WAN V100R018C00

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Configuring Interconnection Between VLANs and LAN-side Networks

Configuring Interconnection Between VLANs and LAN-side Networks

Related Products

Agile Controller-Campus: V300R003C00

AR: V300R003C00

Networking Requirements

Figure 1-13 shows the SD-WAN networking of an enterprise. On the SD-WAN network constructed by the tenant administrator, different users at Site2 (a branch site) operate the same services in different network segments. User hosts transmitting the same services belong to different VLANs and need to communicate with one another.

Figure 1-13 Enterprise networking

Solution Design

Based on customer requirements and the networking plan, the tenant administrator has created the hub site and branch sites, and has completed the underlay network configurations. To implement interconnection between VLANs and LAN-side overlay networks, perform the following tasks:

  1. Add LAN-side interfaces to VLANs and configure the interfaces to permit packets of the VLANs that users belong to.
  2. Configure IP addresses for VLANIF interfaces for Layer 3 connectivity.
  3. To implement inter-VLAN communication, hosts in each VLAN must use the IP address of the corresponding VLANIF interface as the default gateway address.

Data Plan

Table 1-54 VLAN information

Item

Value

Site

Hub1

Site2

Site3

Device

Hub1_1

Hub1_2

Site2_1

Site3_1

Site3_2

VLAN ID

10

10

10

20

10

10

Physical interfaces

GE8/0/2

GE8/0/2

GE0/0/1

GE0/0/2

GE0/0/2

GE0/0/2

Mode

Untag

Untag

Untag

Untag

Untag

Untag

IP address

10.1.1.1/24

10.1.1.2/24

10.3.1.254/24

10.4.1.254/24

10.5.1.252/24

10.5.1.253/24

Trust mode

Trust

Trust

Trust

Trust

Trust

Trust

Procedure

  1. Log in to the Agile Controller-Campus as a tenant administrator.
  2. Finish creating sites.
  3. Configure a VLAN for Hub1.

    1. Choose Configuration > Overlay Network > Site Configuration.
    2. Select Hub1 from the list on the left and click the VLAN tab in the right pane.
    3. Click Create and enter VLAN information. On the main page, click Apply Changes.
    • VLAN configurations for Hub1_1

    • VLAN configurations for Hub1_2

  4. Configure a VLAN for Site2.

    Perform the same operations as those for the hub site to configure a VLAN for Site2.

    • VLAN configuration for Site2_1

  5. Perform the same operations as those for Site2 to configure a VLAN for Site3.

    • VLAN configuration for Site3_1

    • VLAN configuration for Site3_2

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Updated: 2019-03-04

Document ID: EDOC1100036696

Views: 18203

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