Contents
Configuring basic MPLS ·············································································································································· 1
MPLS overview ·································································································································································· 1
Basic concepts ·························································································································································· 1
Structure of the MPLS network ································································································································· 3
MPLS forwarding ······················································································································································ 6
LDP ············································································································································································· 8
Protocols ···································································································································································· 9
MPLS configuration task list ··········································································································································· 10
Enabling the MPLS function ··········································································································································· 11
Configuration prerequisites ·································································································································· 11
Configuration procedure ······································································································································ 11
Configuring a static LSP ················································································································································ 11
Configuration prerequisites ·································································································································· 11
Configuration procedure ······································································································································ 12
Configuring MPLS LDP capability ························································································································ 12
Configuring PHP ···················································································································································· 15
Configuring LDP loop detection ··························································································································· 17
Configuring LDP label filtering ····························································································································· 18
Maintaining LDP sessions ·············································································································································· 20
Configuring BFD for MPLS LDP ···························································································································· 20
Resetting LDP sessions ··········································································································································· 20
Configuring MPLS MTU ········································································································································ 21
Configuring LDP GR ·············································································································································· 24
Configuring MPLS statistics ··········································································································································· 26
Inspecting LSPs ······························································································································································· 26
MPLS LSP ping ······················································································································································· 26
MPLS LSP tracert ···················································································································································· 27
Configuring BFD for LSPs ······································································································································ 27
Enabling MPLS trap························································································································································ 29
Displaying and maintaining MPLS ······························································································································· 29
Displaying MPLS operation ·································································································································· 29
Displaying MPLS LDP operation ··························································································································· 30
Clearing MPLS statistics ········································································································································ 31
MPLS configuration examples ······································································································································· 32
Configuring static LSPs ·········································································································································· 32
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