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Typical Configuration Examples

SD-WAN V100R018C00

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Configuring LAN-side BGP and OSPF Routes

Configuring LAN-side BGP and OSPF Routes

Related Products

Agile Controller-Campus: V300R003C00

AR: V300R003C00

Networking Requirements

Figure 1-16 shows the SD-WAN networking of an enterprise. On the SD-WAN network constructed by the tenant administrator, two gateways at each of the two hub sites are connected to hosts through a Layer 3 switch. At Hub1, two gateways and the Layer 3 switch are in the same VLAN and therefore belong to the same network segment. At Hub2, two gateways and the Layer 3 switch belong to different VLANs and are located in different network segments. The enterprise requires that the gateways at the hub sites communicate with the Layer 3 switch in the same site.

Figure 1-16 Enterprise networking

Solution Design

Based on customer requirements and the networking plan, the tenant administrator has created the hub sites and branch sites, and configured LAN-side interfaces on the overlay network. To enable interconnection between LAN-side networks, configure OSPF and BGP routes on the LAN side.

To configure OSPF routes on the LAN side of Hub1, perform the following tasks:

  1. Configure two gateways to run the same OSPF process.
  2. Enable OSPF on LAN-side interfaces.

To configure BGP routes on the LAN side of Hub2, perform the following tasks:

  1. Configure a BGP peer, specifying an IP address and AS number for the peer.
  2. Configure an MD5 authentication password.

Data Plan

Table 1-57 LAN-side OSPF route information

Item

Value

Device

Hub1_1

Hub1_2

Process ID

1001

1001

Common Parameter

Default route advertisement

ON

ON

Default route cost

1

1

Internal preference

10

10

ASE preference

150

150

Interface Parameter

Area ID

0

0

Interface Name

Vlanif10

Vlanif10

Authentication Mode

None

None

Hello Timer

10

10

DR Priority

0

0

Route Redistribute

Protocol

-

-

Process ID

-

-

Cost

-

-

Router Filter

Export filter

OFF

OFF

Import filter

OFF

OFF

Table 1-58 BGP routing information on the LAN side

Item

Value

Device

Hub2_1

Hub2_2

Peer IP

10.2.2.254

10.2.1.254

Peer AS

3000

3000

Local AS

3001

3001

Keepalive time (s)

-

-

Hold time (s)

-

-

MD5 encrypt

123456

123456

Routing Policy

Export

OFF

OFF

Import

OFF

OFF

Procedure

  1. Log in to the Agile Controller-Campus as a tenant administrator.
  2. Finish creating sites.
  3. Configure LAN-side interfaces on the overlay network of sites.
  4. Configure OSPF routes on the LAN side of Hub1.

    1. Choose Configuration > Overlay Network > Site Configuration.
    2. Select Hub1 from the list on the left and click the LAN Route tab in the right pane.
    3. Click Click Here to Add Routing Protocol and select OSPF.
    4. On the OSPF page, click Create to configure OSPF routes and click Apply Changes on the main page.
      • OSPF configurations for Hub1_1

      • OSPF configurations for Hub1_2

  5. Configure BGP routes on the LAN side of Hub2.

    1. Choose Configuration > Overlay Network > Site Configuration.
    2. Select Hub2, and click LAN Route tab in the right pane.
    3. Click on the page, and select BGP.
    4. On the BGP page, click Create to configure BGP routes and click Apply Changes on the main page.
      • BGP configurations for Hub2_1

      • BGP configurations for Hub2_2

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Updated: 2019-03-04

Document ID: EDOC1100036696

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