A Virtual Edge
Input (VEI) is a customer assigned IP address that is used, from the Head End,
as a destination IP address for unicast video IP packets. Each VEI will need to
be configured with a routable IP address from within the customer's network.
A VEI is assigned
within a Logical Edge Device. Each Virtual Carrier Group (VCG) is associated
with one or more IP addresses that represent VEIs.
For GQI protocol,
VEI must be configured under the LED, since GQI expects VEI to be able to reach
any Virtual QAM carrier listed in the same LED. Again, for GQI protocol, there
is a limit of five VEIs per LED.
For the table based
protocol, VEI may be configured under the LED or under a VCG. If the VEI is
configured under a VCG, it can only reach the virtual QAM carriers associated
with that particular VCG.
During the VCG
binding operation, each VEI IP address will be bound to a single Video IP
You can isolate the video traffic from other network traffic using MPLS
(Multiprotocol Label Switching) and VRF (Virtual Routing and Forwarding), by
configuring the VRF name parameter in video-edge-input command.
Do not use the same VEI IP address in multiple VRFs, as Head End
video session management servers are not MPLS or VRF aware.