300-615 · Question #281
300-615 Question #281: Real Exam Question with Answer & Explanation
The correct answer is A. Configure multisite DCI-tracking on interface Eth1/18.. The EVPN Multisite gateway‐IF (loopback10) is going down because the router‐based DCI path isn't being tracked by Multisite. You must enable DCI-tracking on the leaf's DCI link so the control plane knows when the inter-site underlay is up. In this topology the DCI interface on th
Question
Exhibit
Options
- AConfigure multisite DCI-tracking on interface Eth1/18.
- BEnable multisite fabric-tracking on interface Eth 1/7.
- CEnable multisite DCI-tracking on interface Eth1/4.
- DConfigure multisite fabric-tracking on interface Eth1/6.
Explanation
The EVPN Multisite gateway‐IF (loopback10) is going down because the router‐based DCI path isn't being tracked by Multisite. You must enable DCI-tracking on the leaf's DCI link so the control plane knows when the inter-site underlay is up. In this topology the DCI interface on the secondary side is Ethernet1/18, so: Leaf3(config)# interface ethernet1/18 Leaf3(config-if)# evpn multisite dci-tracking Once DCI-tracking is enabled, the Multisite VIP (and thus VLAN 10) will come up at the
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