H3C S9500 Series Operation Manual page 985

Operation Manual – MPLS L3VPN
H3C S9500 Series Routing Switches
[P] interface Vlan-interface 20
[P-Vlan-interface20] ip address 20.1.1.1 255.255.255.0
[P-Vlan-interface20] ospf cost 1
[P-Vlan-interface20] mpls
[P-Vlan-interface20] quit
# Enable OSPF on the loopback interface and the interfaces through which the P
device connects to PE1 and PE2 for intra-MPLS domain interworking.
[P] Router-id 1.1.1.1
[P] ospf
[P-ospf-1] area 0
[P-ospf-1-area-0.0.0.0] network 2.2.2.2 0.0.0.0
[P-ospf-1-area-0.0.0.0] network 10.1.1.2 0.0.0.255
[P-ospf-1-area-0.0.0.0] network 20.1.1.1 0.0.0.255
[P-ospf-1-area-0.0.0.0] quit
[P-ospf-1] quit
# Configure the static LSPs to PE1 and PE2.
[P] mpls
[P-mpls]
in-label
50 nexthop 20.1.1.2 out-label 3
[P-mpls]
in-label
60 nexthop 10.1.1.1 out-label 3
IV. Verify the configuration
<PE_1> display fib 3.3.3.3
Destination/Mask
3.3.3.3/32
[PE_1] display fib all
Route Entry Count: 2
Destination/Mask
3.3.3.3/32
3.3.3.3/32
1.5 Troubleshooting MPLS L3VPN Configuration
I. Symptom 1
In central server topology networking mode, the local end switch (spoke PE) cannot
learn the routing information of the peer end switch (spoke PE).
Solution:
Check whether the BGP adjacent of spoke PE and hub PE is created correctly.
static-lsp transit
static-lsp transit
Nexthop
10.1.1.2
Nexthop
10.1.1.2
10.1.1.2
Chapter 1 MPLS L3VPN Configuration
lsp1 incoming-interface
lsp2 incoming-interface
Flag TimeStamp Interface
S t[0] Vlan-interface10
Flag TimeStamp
S t[0]
GHU t[0]
1-88
Vlan-interface
Vlan-interface
Interface
Vlan-interface10
Vlan-interface10
10
20
ACTIVE
YES
ACTIVE
YES
NO