H3C Technologies H3C S6800 Series Switches - Manual (Page 285)

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• When the link PE 2—PE 3 operates correctly, traffic from CE 1 to CE 2 goes through the path CE
1—PE 1—PE 2—PE 3—CE 2.
• When BFD detects that the link between PE 2 and PE 3 fails, traffic from CE 1 to CE 2 goes through
the path CE 1—PE 1—PE 2—CE 2.
Figure 74 Network diagram
Table 24 Interface and IP address assignment
Device Interface IP address Device Interface IP address
CE 1 Loop0 5.5.5.5/32 PE 2 Loop0 2.2.2.2/32
Vlan-int10 10.2.1.1/24 Vlan-int11 172.1.1.2/24
PE 1 Loop0 1.1.1.1/32 Vlan-int13 10.1.1.2/24
Vlan-int10 10.2.1.2/24 Vlan-int15 172.3.1.2/24
Vlan-int11 172.1.1.1/24 PE 3 Loop0 3.3.3.3/32
Vlan-int12 172.2.1.1/24 Vlan-int12 172.2.1.3/24
CE 2 Loop0 4.4.4.4/32 Vlan-int14 10.3.1.2/24
Vlan-int13 10.1.1.1/24 Vlan-int15 172.3.1.3/24
Vlan-int14 10.3.1.1/24
Configuration procedure
1. Configure IP addresses and masks for interfaces as shown in Table 24 , and configure BGP and
MPLS L3VPN. (Details not shown.)
For more information about configuring basic MPLS L3VPN, see "
Configuring basic MPLS
L3VPN ."
2. Configure MPLS L3VPN FRR on PE 2:
# Configure BFD to test the connectivity of the LSP to 3.3.3.3/32.
system-view
[PE2] mpls bfd enable
[PE2] mpls bfd 3.3.3.3 32
# Create routing policy frr, and specify the backup next hop as 10.1.1.1 for the route to
4.4.4.4/32.
文件中找不到关系 ID 为 rId96 的图像部件。