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Configuration procedure
1. Configure PE 1:
# Configure a global router ID, and enable IP multicast routing on the public network.
<PE1> system-view
[PE1] router id 1.1.1.1
[PE1] multicast routing
[PE1-mrib] quit
# Configure an LSR ID, and enable LDP globally.
[PE1] mpls lsr-id 1.1.1.1
[PE1] mpls ldp
[PE1-ldp] quit
# Create a VPN instance named a, and configure the RD and route targets for the VPN
instance.
[PE1] ip vpn-instance a
[PE1-vpn-instance-sa] route-distinguisher 100:1
[PE1-vpn-instance-a] vpn-target 100:1 export-extcommunity
[PE1-vpn-instance-a] vpn-target 100:1 import-extcommunity
[PE1-vpn-instance-a] quit
# Enable IP multicast routing and RPF vector for VPN instance a.
[PE1] multicast routing vpn-instance a
[PE1-mrib-a] rpf proxy vector
[PE1-mrib-a] quit
# Create an MD for VPN instance a.
[PE1] multicast-domain vpn-instance a
# Create an MD IPv4 address family for VPN instance a.
[PE1-md-a] address-family ipv4
# Specify the default-group, the MD source interface, and the data-group range for VPN
instance a.
[PE1-md-a-ipv4] default-group 232.1.1.1
[PE1-md-a-ipv4] source loopback 1
[PE1-md-a-ipv4] data-group 232.2.2.0 28
[PE1-md-a-ipv4] quit
[PE1-md-a] quit
# Create a VPN instance named b, and configure the RD and route targets for the VPN
instance.
[PE1] ip vpn-instance b
[PE1-vpn-instance-b] route-distinguisher 200:1
[PE1-vpn-instance-b] vpn-target 200:1 export-extcommunity
[PE1-vpn-instance-b] vpn-target 200:1 import-extcommunity
[PE1-vpn-instance-b] quit
# Enable IP multicast routing and RPF vector for VPN instance b.
[PE1] multicast routing vpn-instance b
[PE1-mrib-b] rpf proxy vector
[PE1-mrib-b] quit
# Create an MD for VPN instance b.
[PE1] multicast-domain vpn-instance b
# Create an MD IPv4 address family for VPN instance b.
[PE1-md-b] address-family ipv4
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