3Com S7906E - Switch, Configuration Manual

Page: 1154 / 2621

1-14
Figure 1-11 Multi-hop EBGP interconnectivity
AS 2
PE 1' PE 3
ASBR
CE 1 PE 1" CE 2 PE 2"
PE 4 PE 2'
AS 1
MD
VPN instasnce
Public instasnce
MT
P 1 P 2
MTI MTI
ASBR
In the multi-hop EBGP interconnectivity approach, only one MD needs to be established for all the ASs,
and public network multicast traffic between different ASs is transmitted within this MD.
Multicast VPN Configuration Task List
Complete these tasks to configure multicast VPN:
Task Remarks
Enabling IP Multicast Routing in a VPN Instance Required
Configuring
MD-VPN
Configuring a Share-Group and an MTI Binding Required
Configuring BGP MDT Peers or Peer Groups Required
Configuring BGP
MDT
Configuring a BGP MDT Route Reflector Optional
Configuring MD-VPN
Configuration Prerequisites
Before configuring MD-VPN, complete the following tasks:
z
Configure any unicast routing protocol to provide intra-domain interoperability at the network layer.
z
Configure MPLS L3VPN.
z
Configure PIM (PIM-DM, PIM-SM or PIM-SSM).
Before configuring MD-VPN, prepare the following data:
z
VPN instance names and route distinguishers (RDs)
z
Share-group addresses and an MTI numbers
Enabling IP Multicast Routing in a VPN Instance
Before configuring any MD-VPN functionality for a VPN, you must enable IP multicast routing in the
VPN instance.
Follow these steps to enable IP multicast routing in a VPN instance:
To do... Use the command... Remarks
Enter system view system-view
—