H3C S9500 Series Operation Manual page 534

Operation Manual - MPLS
H3C S9500 Series Routing Switches
Chapter 1 MPLS Architecture....................................................................................................... 1-1
1.1 MPLS Overview ................................................................................................................. 1-1
1.2 MPLS Basic Concepts ....................................................................................................... 1-1
1.2.1 FEC ........................................................................................................1-1
1.2.2 Label ......................................................................................................1-2
1.2.3 LDP ........................................................................................................1-4
1.3 MPLS Architecture ............................................................................................................. 1-4
1.3.1 MPLS Network Structure .........................................................................1-4
1.3.2 Forwarding Labeled Packets....................................................................1-5
1.3.3 Establishing LSP .....................................................................................1-6
1.3.4 LSP Tunnel and Hierarchy .......................................................................1-7
1.3.5 MPLS and Other Protocols (Routing Protocols) ........................................1-8
1.3.6 MPLS Application (MPLS-based VPN) .....................................................1-8
Chapter 2 MPLS Basic Capability Configuration ....................................................................... 2-1
2.1 MPLS Basic Capability Overview ...................................................................................... 2-1
2.2 MPLS Configuration........................................................................................................... 2-1
2.2.1 Defining MPLS LSR ID ............................................................................2-1
2.2.2 Enabling MPLS and Entering MPLS View ................................................. 2-2
2.2.3 Configuring the Topology-Driven LSP Setup Policy .................................. 2-2
2.2.4 Configuring Static LSP ............................................................................2-3
2.3 LDP Configuration.............................................................................................................. 2-3
2.3.1 Enabling LDP protocol .............................................................................2-4
2.3.2 Enabling LDP on VLAN interface .............................................................2-4
2.3.3 Configuring Remote-Peer for Extended Discovery Mode........................... 2-4
2.3.4 Configuring session parameters...............................................................2-5
2.3.5 Configuring LDP Loop Detection Control ..................................................2-7
2.3.6 Configuring LDP Authentication Mode Between Every Two Routers .......... 2-8
2.4 Displaying and Debugging MPLS Basic Capability ........................................................... 2-9
2.4.1 Displaying and Debugging MPLS .............................................................2-9
2.4.2 Displaying and Debugging LDP.............................................................. 2-11
2.5 Typical MPLS Configuration Example ............................................................................. 2-12
2.6 Troubleshooting MPLS Configuration.............................................................................. 2-15
Chapter 3 BGP/MPLS VPN Configuration ................................................................................... 3-1
3.1 BGP/MPLS VPN Overview ................................................................................................ 3-1
3.1.1 BGP/MPLS VPN Model............................................................................3-2
3.1.2 BGP/MPLS VPN Implementation..............................................................3-5
3.1.3 Nested BGP/MPLS VPN Implementation ..................................................3-7
Table of Contents
i
Table of Contents