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Alcatel-Lucent 6850-48 Network Guide

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MPLS Application Example
Configuring MPLS
page 10-32
OmniSwitch AOS Release 6 Network Configuration Guide
September 2009
-> configure router mpls interface vlan-1 label-map 557
-> configure router mpls interface vlan-1 label-map 557 swap 999 next-hop
192.168.30.3
-> configure router mpls interface vlan-1 label-map 557 no shutdown
The above commands created MPLS interfaces vlan-1 and vlan-30.
• MPLS interface vlan-30 will swap incoming label 555 for outgoing label 667 and incoming label 
556 for label 668 and forward the label packets to R2 (192.168.10.2).
• MPLS interface vlan-1 will swap incoming label 777 for label 888 and incoming label 557 for label 
999 and forward the label packets to R3 (192.168.30.3).
Router 2 (connects to R1 over VLAN 1, R3 over VLAN 20, and R4 over VLAN 50)
1 Prepare the router by setting up VLANs, port assignments, and interfaces.
-> vlan 1
-> ip interface vlan-1 address 192.168.10.2 vlan 1
-> vlan 1 port default 1/2
-> vlan 20
-> ip interface vlan-20 address 192.168.20.2 vlan 20
-> vlan 20 port default 1/6
-> vlan 50
-> ip interface vlan-50 address 192.168.50.2 vlan 50
-> vlan 50 port default 1/5
-> ip interface Loopback0 address 10.10.10.1
The above commands created VLANs 1 (VLAN 1 already exists on the switch), VLAN 20, VLAN 50, 
IP interfaces for the VLANs, and the Loopback0 interface address.
• VLAN 1 handles the connection between R2 and R1, using IP interface 192.168.10.2 and port 1/2.
• VLAN 20 handles the connection between R2 and R3, using IP interface 192.168.20.2 and port 1/6.
• VLAN 50 handles the connection between R2 and R4, using IP interface 192.168.50.2 and port 1/5.
• The Loopback0 interface was assigned 10.10.10.1, which serves as the MPLS system IP interface.
2 Enable the MPLS instance (enabled by default) and create and enable static LSP instances.
-> configure router mpls no shutdown
-> configure router mpls static-lsp to-R3
-> configure router mpls static-lsp to-R3 to 10.10.10.3
-> configure router mpls static-lsp to-R3 push 777 next-hop 192.168.10.1
-> configure router mpls static-lsp to-R3 no shutdown 
-> configure router mpls static-lsp to-R3-alt
-> configure router mpls static-lsp to-R3-alt to 10.10.10.3
-> configure router mpls static-lsp to-R3-alt push 112 next-hop 192.168.20.3
-> configure router mpls static-lsp to-R3-alt no shutdown             
The above commands created static LSP “to-R3”, and a backup static LSP “to-R3-alt”.