3com S7906E 安装指导
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Figure 1-26 Configure an OSPF sham link (on switches)
Device
Interface
IP address
Device
Interface
IP address
CE 1
Vlan-int12
100.1.1.1/24
CE 2
Vlan-int11
120.1.1.1/24
Vlan-int11
20.1.1.1/24
Vlan-int12
30.1.1.2/24
PE 1
Loop0
1.1.1.9/32
PE 2
Loop0
2.2.2.9/32
Loop1
3.3.3.3/32
Loop1
5.5.5.5/32
Vlan-int12
100.1.1.2/24
Vlan-int11
120.1.1.2/24
Vlan-int2
10.1.1.1/24
Vlan-int2
10.1.1.2/24
Switch
A
Vlan-int11
20.1.1.2/24
Vlan-int22
30.1.1.1/24
Configuration procedure
1) Configure OSPF on the customer networks
Configure conventional OSPF on CE 1, Switch A, and CE 2 to advertise segment addresses of the
interfaces as shown in
. The detailed configuration steps are omitted.
After completing the configurations, CE 1 and CE 2 should be able to learn the OSPF route to the VLAN
interface 1 of each other. The following takes CE 1 as an example:
<CE1> display ip routing-table
Routing Tables: Public
Destinations : 9 Routes : 9
Destination/Mask Proto Pre Cost NextHop Interface
20.1.1.0/24 Direct 0 0 20.1.1.1 Vlan11
20.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
20.1.1.2/32 Direct 0 0 20.1.1.2 Vlan11
30.1.1.0/24 OSPF 10 3124 20.1.1.2 Vlan11
100.1.1.0/24 Direct 0 0 100.1.1.1 Vlan12
100.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
120.1.1.0/24 OSPF 10 3125 20.1.1.2 Vlan11
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
2) Configure MPLS L3VPN on the backbone
# Configure MPLS basic capability and MPLS LDP on PE 1 to establish LDP LSPs.
<PE1> system-view
[PE1] interface loopback 0
[PE1-LoopBack0] ip address 1.1.1.9 32