Configuring Multicast Vpn - HP A8800 Configuration Manual

Configuring multicast VPN

Overview
Multicast VPN is a technique that implements multicast delivery in virtual private networks (VPNs).
Figure 64 Typical VPN networking diagram
VPN B
Site 6
CE 6
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
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 on the public network. A P device does not directly connect to CE
•
devices.
Provider edge (PE) device—Edge device on 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
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
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
VPN A
Site 1
CE 1
PE 3
CE 5
VPN A
Site 5
Figure 65, the network that runs multicast VPN carries independent multicast services for the
VPN B
PE 1
CE 2
P
Public network
CE 4
Figure
240
Site 2
VPN A
Site 3
CE 3
PE 2
VPN B
Site 4
64, VPN A comprises Site 1, Site 3 and Site
Figure 64, PE1 supports the
Figure 65.