QuestionQ9

Multi-Campus Network Interconnection Design Guide

Which of the following does the IWG solution support for mutual access between SD-WAN sites and legacy sites?

Choose two
  • A Inter-AS Option A (Layer 3 VXLAN)
  • B Inter-AS Option A (Layer 3 VLAN)
  • C Inter-AS Option B
Explanation

Huawei’s IWG design supports legacy-to-SD-WAN interconnection through Inter-AS Option A (VLAN), with EBGP route exchange between legacy PEs and SD-WAN IWGs, and through Inter-AS Option B, with VPNv4 routes exchanged using MP-EBGP. Layer 3 VXLAN is not listed as a supported mutual-access mode.

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