H3C Technologies H3C SR8800 - Manual (Page 128)

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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 Interface IP address Device Interface IP address
Router A Loop0 1.1.1.9/32 Router D Loop0 4.4.4.9/32
GE 3/1/1 10.1.1.1/24 POS 2/1/1 30.1.1.2/24
POS 2/1/2 30.1.1.1/24 POS 2/1/2 40.1.1.1/24
Router B Loop0 2.2.2.9/32 Router C Loop0 3.3.3.9/32
GE 3/1/1 10.1.1.2/24 GE 3/1/1 20.1.1.2/24
GE 3/1/2 20.1.1.1/24 POS 2/1/2 40.1.1.2/24
Configuration procedure
1. Assign IP addresses and masks to interfaces (see Figure 30 )
Details not shown
2. Configure the IGP protocol
# 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.
3. Configure MPLS TE basic capabilities, and enable RSVP-TE and CSPF
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