Cr-Lsp Backup Configuration Example - H3C SR8800 10G Mpls Configuration Manual

CR-LSP backup configuration example

Network requirements
Set up an MPLS TE tunnel from Router A to Router C. Use CR-LSP hot backup for it.
Figure 30 Network diagram
Device
Router A
Router B
Configuration procedure
Assign IP addresses and masks to interfaces (see
1.
Details not shown
Configure the IGP protocol
2.
# Enable IS-IS to advertise host routes with LSR IDs as destinations on each node. (Details not
shown)
Perform the display ip routing-table command on each router. You should see that all nodes learnt
the host routes of other nodes with LSR IDs as destinations.
Configure MPLS TE basic capabilities, and enable RSVP-TE and CSPF
3.
<RouterA> system-view
[RouterA] mpls lsr-id 1.1.1.9
[RouterA] mpls
[RouterA-mpls] mpls te
[RouterA-mpls] mpls rsvp-te
[RouterA-mpls] mpls te cspf
[RouterA-mpls] quit
[RouterA] interface GigabitEthernet 3/1/1
Interface IP address
Loop0 1.1.1.9/32
GE 3/1/1 10.1.1.1/24
POS 2/1/2 30.1.1.1/24
Loop0 2.2.2.9/32
GE 3/1/1 10.1.1.2/24
GE 3/1/2 20.1.1.1/24
Device Interface
Router D Loop0
POS 2/1/1
POS 2/1/2
Router C Loop0
GE 3/1/1
POS 2/1/2
Figure 30)
117
IP address
4.4.4.9/32
30.1.1.2/24
40.1.1.1/24
3.3.3.9/32
20.1.1.2/24
40.1.1.2/24