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Question 61/85
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following command needs to be run on the VBDIF interface to enable the VTEP peer to generate BGP EVPN Type 2 routes based on ARP information of the local terminal?
Correct Answer: C
* BGP EVPN Type 2 Route (MAC/IP Advertisement Route)
* This route carries MAC and IP address bindings to inform remote VTEPs about locally learned endpoints.
* Why Use arp collect host enable?
* Collects ARP entries of locally connected hosts.
* Enables BGP EVPN Type 2 route generation to distribute the learned ARP information.
* Incorrect Answer Explanations:# A. mac-address xxxx-xxxx-xxxx - Manually configures a MAC address but does not enable ARP collection for EVPN Type 2 routes.# B. arp-proxy enable - Enables ARP Proxy but does not advertise ARP information using BGP EVPN.# D. arp distribute- gateway enable - Used in Distributed Anycast Gateway (DAG) mode but not for collecting host ARP data.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei VXLAN EVPN Configuration Guide - ARP Handling and EVPN Type 2 Routes
* HCIE-Datacom Training Material - VTEP ARP Advertisement in VXLAN Networks
* This route carries MAC and IP address bindings to inform remote VTEPs about locally learned endpoints.
* Why Use arp collect host enable?
* Collects ARP entries of locally connected hosts.
* Enables BGP EVPN Type 2 route generation to distribute the learned ARP information.
* Incorrect Answer Explanations:# A. mac-address xxxx-xxxx-xxxx - Manually configures a MAC address but does not enable ARP collection for EVPN Type 2 routes.# B. arp-proxy enable - Enables ARP Proxy but does not advertise ARP information using BGP EVPN.# D. arp distribute- gateway enable - Used in Distributed Anycast Gateway (DAG) mode but not for collecting host ARP data.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei VXLAN EVPN Configuration Guide - ARP Handling and EVPN Type 2 Routes
* HCIE-Datacom Training Material - VTEP ARP Advertisement in VXLAN Networks
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