251
[PE4-ospf-1-area-0.0.0.0] quit
[PE4-ospf-1] quit
[PE4] ospf 2 vpn-instance a
[PE4-ospf-2] area 0.0.0.0
[PE4-ospf-2-area-0.0.0.0] network 11.3.1.0 0.0.0.255
[PE4-ospf-2-area-0.0.0.0] quit
[PE4-ospf-2] quit
[PE4] ospf 3 vpn-instance b
[PE4-ospf-3] area 0.0.0.0
[PE4-ospf-3-area-0.0.0.0] network 11.4.1.0 0.0.0.255
[PE4-ospf-3-area-0.0.0.0] quit
[PE4-ospf-3] quit
5. Configure P 1:
# Enable IP multicast routing on the public network.
<P1> system-view
[P1] multicast routing
[P1-mrib] quit
# Configure an LSR ID, and enable LDP globally.
[P1] mpls lsr-id 5.5.5.5
[P1] mpls ldp
[P1-ldp] quit
# Assign an IP address to GigabitEthernet 1/0/1.
[P1] interface gigabitethernet 1/0/1
[P1-GigabitEthernet1/0/1] ip address 10.1.1.2 24
# Enable PIM-SM, MPLS, and IPv4 LDP on GigabitEthernet 1/0/1.
[P1-GigabitEthernet1/0/1] pim sm
[P1-GigabitEthernet1/0/1] mpls enable
[P1-GigabitEthernet1/0/1] mpls ldp enable
[P1-GigabitEthernet1/0/1] quit
# Assign an IP address to GigabitEthernet 1/0/2.
[P1] interface gigabitethernet 1/0/2
[P1-GigabitEthernet1/0/2] ip address 10.2.1.1 24
# Enable PIM-SM, MPLS, and IPv4 LDP on GigabitEthernet 1/0/2.
[P1-GigabitEthernet1/0/2] pim sm
[P1-GigabitEthernet1/0/2] mpls enable
[P1-GigabitEthernet1/0/2] mpls ldp enable
[P1-GigabitEthernet1/0/2] quit
# Assign an IP address to Loopback 1, and enable PIM-SM on the interface.
[P1] interface loopback 1
[P1-LoopBack1] ip address 5.5.5.5 32
[P1-LoopBack1] pim sm
[P1-LoopBack1] quit
# Configure OSPF.
[P1] ospf 1
[P1-ospf-1] area 0.0.0.0
[P1-ospf-1-area-0.0.0.0] network 5.5.5.5 0.0.0.0
[P1-ospf-1-
area-0.0.0.0] network 10.1.1.0 0.0.0.255
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