205
Device Interface IP
address
Device
Interface
IP address
CE a1 Loopback 0
2.2.2.2/32 CE b2
GigabitEthernet
2/1/1
10.11.8.1/24
CE a2
GigabitEthernet
2/1/1
10.11.7.1/24
CE b2
GigabitEthernet
2/1/2
10.11.4.2/24
CE a2
GigabitEthernet
2/1/2
10.11.3.2/24
CE b2
Loopback 0
3.3.3.3/32
Configuration procedure
1. Configure PE 1:
# Configure a 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 MPLS LSR ID, and enable the LDP capability.
[PE1] mpls lsr-id 1.1.1.1
[PE1] mpls ldp
[PE1-ldp] quit
# Create VPN instance a and configure an RD and route target attributes for the instance.
[PE1] ip vpn-instance a
[PE1-vpn-instance-a] 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 in VPN instance a.
[PE1] multicast routing vpn-instance a
[PE1-mrib-a] quit
# Create the MD for VPN instance a, and specify the default-group, MD source interface, and
data-group address range for the MD.
[PE1] multicast-domain vpn-instance a
[PE1-md-a] default-group 239.1.1.1
[PE1-md-a] source loopback 1
[PE1-md-a] data-group 225.1.1.0 28
[PE1-md-a] quit
# Create VPN instance b and configure an RD and route target attributes for the 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 in VPN instance b.
[PE1] multicast routing vpn-instance b
[PE1-mrib-b] quit
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