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 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