ii
Configuring remote LDP session parameters ······································································································ 64
Configuring PHP ···················································································································································· 65
Configuring the policy for triggering LSP establishment ··················································································· 65
Configuring the label distribution control mode ································································································ 66
Configuring LDP loop detection ··························································································································· 67
Configuring LDP MD5 authentication ·················································································································· 68
Configuring LDP label filtering ····························································································································· 68
Configuring a DSCP for outgoing LDP packets ·································································································· 69
Maintaining LDP sessions ·············································································································································· 70
Configuring BFD for MPLS LDP ···························································································································· 70
Resetting LDP sessions ··········································································································································· 70
Managing and optimizing MPLS forwarding ············································································································· 70
Configuring a TTL processing mode for an LSR ································································································· 71
Sending back ICMP TTL exceeded messages for MPLS TTL expired packets ················································· 72
Configuring LDP GR ·············································································································································· 73
Configuring LDP NSR ············································································································································ 75
Configuring MPLS statistics collection ·························································································································· 75
Inspecting LSPs ······························································································································································· 75
Configuring MPLS LSP ping ·································································································································· 76
Configuring MPLS LSP tracert ······························································································································· 76
Configuring BFD for LSPs ······································································································································ 76
Configuring periodic LSP tracert ·························································································································· 77
Enabling MPLS trap························································································································································ 78
Displaying and maintaining MPLS ······························································································································· 78
Displaying MPLS operation ·································································································································· 78
Displaying MPLS LDP operation ··························································································································· 80
Clearing MPLS statistics ········································································································································ 81
MPLS configuration examples ······································································································································· 81
Configuring static LSPs ·········································································································································· 81
Configuring LDP to establish LSPs dynamically ·································································································· 84
Configuring BFD for LSPs ······································································································································ 88
Configuring MPLS TE ················································································································································· 90
MPLS TE overview ·························································································································································· 90
Basic concepts ······················································································································································· 91
MPLS TE implementation ······································································································································· 91
CR-LSP ····································································································································································· 92
RSVP-TE ··································································································································································· 93
Traffic forwarding ·················································································································································· 97
CR-LSP backup ······················································································································································· 98
FRR ·········································································································································································· 98
PS for an MPLS TE tunnel ···································································································································· 100
Protocols and standards ····································································································································· 100
MPLS TE configuration task list ··································································································································· 101
Configuring basic MPLS TE ········································································································································· 101
Creating an MPLS TE tunnel over a static CR-LSP ····································································································· 102
Configuring an MPLS TE tunnel with a dynamic signaling protocol ······································································· 103
Configuration prerequisites ································································································································ 103
Configuration procedure ···································································································································· 104
Configuring RSVP-TE advanced features ··················································································································· 107
Configuring RSVP reservation style ··················································································································· 107
Configuring RSVP state timers ···························································································································· 108
Configuring the RSVP refresh mechanism ········································································································· 108
Configuring the RSVP hello extension ··············································································································· 109
Configuring RSVP-TE resource reservation confirmation ················································································· 109
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