QuestionQ50

VerifiedSD-WAN traffic control and IPsec

Refer to the exhibits.

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The SD-WAN zone and member configurations for two branch devices are displayed.

The two branch devices belong to the same hub-and-spoke topology and connect to the same hub. The devices are configured to permit auto-discovery VPN (ADVPN). The hub configuration permits the initial communication between the two spokes.

When required by traffic flows, between which interfaces can the devices establish shortcuts?

Explanation

ADVPN path selection only builds shortcuts between compatible transport groups. T1 on Branch-A and TA on Branch-B both use transport group 1 and belong to the ADVPN-enabled overlay zone. The other possible same-zone pairs include members with different transport-group IDs, which cannot form an ADVPN shortcut.

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