Which option does the Cisco ACI fabric distributed proxy mapping database map the internal
tenant MAC or IP address to?
A.
Spine port
B.
VxLAN tunnel endpoint address
C.
Distinguished name
D.
IPv6 address
E.
Cisco APIC policy
Explanation:
Reference: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/acifundamentals/b_ACI-Fundamentals/b_ACI_Fundamentals_BigBook_chapter_0100.pdf
B!
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B
Forwarding within the fabric is between VTEPs. The mapping of the internal tenant MAC or IP address to a
location is performed by the VTEP using a distributed mapping database. After a lookup is done, the VTEP
sends the original data packet encapsulated in VXLAN with the Destination Address (DA) of the VTEP on
the destination leaf. The packet is then de-encapsulated on the destination leaf and sent down to the receiving
host. With this model, we can have a full mesh, loop-free topology without the need to use the spanning-tree
protocol to prevent loops.
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