A customer has five data centers. Each data center hosts 10 tenants and separates the tenants using
VLAN assignments.
The network administrator is connecting the data centers using EVI.
How should the administrator separate the tenant traffic over the EVI links?
A.
Set up a QinQ subinterface for each tenant on the EVI tunnel interfaces.
B.
Set up a unique EVI network ID for each tenant and extend that tenant’s VLANs over that EVI network.
C.
Set up a routed subinterface for each tenant on the EVI tunnel interfaces.
D.
Extend all VLANs over the same EVI network. Use EVI VLAN mapping to map each tenant’s VLANs to
a unique S-VLAN.
Explanation:
answer A
In a multi-tenant environment, one physical interface might route between the ten
VLANs in use by a single customer, with a sub-interface for each VLAN. Each of
these sub-interfaces can be assigned to that customer’s IP VPN Instance, and so
becomes a part of that client’s isolated routing table. In this scenario, physical
interface functionality can be extended by using QinQ sub-interfaces.
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