What is the minimum configuration required to enable AVT for a MSR2000 in a mesh network?

A.
Set a buffer time of 500ms

B.
Enable AVT service on the ingress and egress nodes

C.
AVT on all the gateways

D.
Enable AVT on all nodes where the video traffic flows through

E.
Set the ingress interface to be eth0 on the ingress node

Explanation: