Configuring a label advertisement policy ··················································································································· 29

Configuring a label acceptance policy ······················································································································· 30

Configuring LDP loop detection ···································································································································· 31

Configuring LDP session protection ······························································································································ 31

Configuring LDP GR ······················································································································································· 32

Configuring LDP NSR ····················································································································································· 32

Configuring LDP-IGP synchronization ·························································································································· 32

Configuring LDP-OSPF synchronization ·············································································································· 33

Configuring LDP-ISIS synchronization ················································································································· 34

Configuring LDP FRR ······················································································································································ 35

Resetting LDP sessions ···················································································································································· 35

Enabling SNMP notifications for LDP ··························································································································· 35

Displaying and maintaining LDP ·································································································································· 35

LDP configuration examples ·········································································································································· 36

LDP LSP configuration example ···························································································································· 36

Label acceptance control configuration example ······························································································ 40

Label advertisement control configuration example ·························································································· 44

LDP FRR configuration example ··························································································································· 49

Configuring MPLS TE ················································································································································· 53

Overview ········································································································································································· 53

TE and MPLS TE ····················································································································································· 53

MPLS TE basic concepts········································································································································ 53

Static CRLSP establishment ··································································································································· 53

Dynamic CRLSP establishment ····························································································································· 53

Traffic forwarding ·················································································································································· 55

Make-before-break ················································································································································ 56

Route pinning ························································································································································· 57

Tunnel reoptimization ············································································································································ 57

Automatic bandwidth adjustment ························································································································ 57

CRLSP backup ························································································································································ 58

FRR ·········································································································································································· 58

DiffServ-aware TE ·················································································································································· 59

Bidirectional MPLS TE tunnel ································································································································ 61

Protocols and standards ······································································································································· 62

MPLS TE configuration task list ····································································································································· 62

Enabling MPLS TE ·························································································································································· 63

Configuring a tunnel interface ······································································································································ 64

Configuring DS-TE ·························································································································································· 64

Configuring an MPLS TE tunnel to use a static CRLSP ································································································ 65

Configuring an MPLS TE tunnel to use a dynamic CRLSP ·························································································· 65

Configuration task list ··········································································································································· 66

Configuring MPLS TE attributes for a link ··········································································································· 66

Advertising link TE attributes by using IGP TE extension ··················································································· 67

Configuring MPLS TE tunnel constraints ·············································································································· 68

Establishing an MPLS TE tunnel by using RSVP-TE ····························································································· 70

Controlling CRLSP path selection ························································································································· 70

Controlling MPLS TE tunnel setup ························································································································ 72

Configuring traffic forwarding ······································································································································ 75

Configuring static routing to direct traffic to an MPLS TE tunnel ······································································ 75

Configuring automatic route advertisement to direct traffic to an MPLS TE tunnel ········································· 75

Configuring a bidirectional MPLS TE tunnel ················································································································ 76

Configuring CRLSP backup ··········································································································································· 77

Configuring MPLS TE FRR ·············································································································································· 78

Enabling FRR ·························································································································································· 78