HPE 5820X Series, Руководство по настройке

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Configuring multicast VPN (available only
on the HPE 5800)
Overview
Multicast VPN is a technique that implements multicast delivery in virtual private networks (VPNs).
Figure 67 Typical VPN networking diagram
A VPN is comprised of multiple sites and the public network provided by the network provider. The
sites communicate through the public network. As shown in
Figure 67 , VPN A comprises Site 1, Site
3 and Site 5, and VPN B comprises Site 2, Site 4 and Site 6. A VPN involves the following types of
devices:
•
Provider (P) device
—Core device in the public network. A P device does not directly connect
to CE devices.
•
Provider edge (PE) device
—Edge device in the public network. A PE device directly connects
to one or more customer edge (CE) devices, and processes VPN routing.
•
CE device
—Edge device on a customer network. A CE device can be a router, a switch, or a
host, that implements route distribution on the customer network.
As shown in Figure 68 , the network that runs multicast VPN carries independent multicast services
for the public network, VPN A, and VPN B. A PE multicast device at the edge of the public network
supports multiple VPN instances, and operates as multiple independent multicast devices. Each
VPN forms a plane, and all these planes are isolated from one another. For example, in
Figure 67 ,
PE1 supports the public network, VPN A, and VPN B. You can regard these instances as
independent virtual devices, which are PE 1’, PE 1", and PE 1’." Each virtual device works on a plane
as shown in
Figure 68 .
VPN A
Site 1
VPN A
Site 3
VPN A
Site 5
VPN B
Site 2
VPN B
Site 4
VPN B
Site 6
PE 1
PE 2 PE 3
CE 1 CE 2
CE 3
CE 4 CE 5
CE 6
Public network
P