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NE20E-S V800R010C10SPC500 Feature Description - VPN 01

This is NE20E-S V800R010C10SPC500 Feature Description - VPN
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Migration from an HVPLS Network to a PBB-EVPN

Migration from an HVPLS Network to a PBB-EVPN

On the network shown in Figure 12-49, HVPLS is deployed to reduce the number of required PWs and improve bandwidth usage.

After devices have PBB-EVPN enabled, the HVPLS network can migrate to a PBB-EVPN. Because this network has large numbers of devices, migration needs to be performed step by step and HVPLS and PBB-EVPN will temporarily coexist. The implementation process is as follows:
  1. Configure a B-EVPN instance on the SPE and specify a unique B-MAC address for the B-EVPN instance.

  2. Change the existing VSI on the SPE to be an MP2MP I-VSI and bind the I-VSI to the B-EVPN instance previously configured. The I-tag for the I-VSI must be the same as the I-tag for the B-EVPN instance. Otherwise, services cannot be forwarded.

  3. Specify each UPE as an EVPN BGP peer for the SPE.

  4. Configure a B-EVPN instance on each UPE and specify the SPE as an EVPN BGP peer for each UPE. Then, UPEs will learn B-MAC addresses from their EVPN BGP peers and the SPE will learn the B-MAC addresses of the entire network.

  5. Change the existing VSI on each UPE to be an I-EVPN instance, bind the I-EVPN instance to the previously configured B-EVPN instance, and bind the AC interface on each UPE to the I-EVPN instance on that UPE. After all configurations are complete, the network becomes a PBB-EVPN.

Figure 12-49 Typical networking

Updated: 2019-01-03

Document ID: EDOC1100055135

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