300-610 · Question #247
Refer to the exhibit. An engineer deployed a VXLAN fabric with this configuration: - interface VLAN 100 on VTEP1 with no IP address - interface VLAN 200 on VTEP4 with no IP address Which set of action
The correct answer is C. Associate VNI 20000 to VRF Application on VTEP1.. To enable communication between Host A (VLAN 100 on VTEP1) and Host B (VLAN 200 on VTEP4), the engineer must associate VNI 20000 with VRF Application on VTEP1, as both hosts belong to the Application VRF and VNI 20000.
Question
Refer to the exhibit. An engineer deployed a VXLAN fabric with this configuration:
- interface VLAN 100 on VTEP1 with no IP address
- interface VLAN 200 on VTEP4 with no IP address
Which set of actions must the engineer take to ensure that host A communicates with host B?
Exhibit
Options
- AAssociate VNI 20000 to VRF Web on VTEP1.
- BAssociate VNI 10000 to VRF Web on VTEP4.
- CAssociate VNI 20000 to VRF Application on VTEP1.
- DAssociate VNI 10000 to VRF Application on VTEP4.
How the community answered
(44 responses)- A14% (6)
- B7% (3)
- C77% (34)
- D2% (1)
Why each option
To enable communication between Host A (VLAN 100 on VTEP1) and Host B (VLAN 200 on VTEP4), the engineer must associate VNI 20000 with VRF Application on VTEP1, as both hosts belong to the Application VRF and VNI 20000.
Associating VNI 20000 to VRF Web on VTEP1 would place Host A into the 'Web' VRF, preventing communication with Host B, which is in the 'Application' VRF.
Host B is in VLAN 200 (VNI 20000) and belongs to the 'Application' VRF, so associating VNI 10000 to VRF Web on VTEP4 is incorrect for both the VNI and the VRF.
Host A is in VLAN 100, which according to common VXLAN mappings, would be associated with a specific VNI, in this case, VNI 20000. To communicate with Host B, which is in VLAN 200, also mapped to VNI 20000 within the 'Application' VRF, VTEP1 must correctly associate VNI 20000 with the 'Application' VRF.
Host B is in VLAN 200, which is associated with VNI 20000; therefore, associating VNI 10000 with VRF Application on VTEP4 is incorrect for the VNI.
Concept tested: VXLAN EVPN VNI-VRF association
Source: https://www.cisco.com/c/en/us/td/docs/dcn/nx-os/nexus9000/102x/configuration/evpn-vxlan/b_Cisco-Nexus-9000-Series-NX-OS-EVPN-VXLAN-Configuration-Guide-102x/m_vxlan-evpn-multisite.html
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