R21xx-HP FlexFabric 11900 MPLS Configuration Guide
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Configuring LDP ························································································································································· 59
Overview ········································································································································································· 59
Terminology ··························································································································································· 59
LDP messages ························································································································································· 59
LDP operation ························································································································································· 60
Label distribution and control ······························································································································· 61
LDP GR ···································································································································································· 63
Protocols ································································································································································· 64
LDP configuration task list ·············································································································································· 64
Enabling LDP ··································································································································································· 65
Enabling LDP globally ··········································································································································· 65
Enabling LDP on an interface ······························································································································· 65
Configuring Hello parameters ······································································································································ 65
Configuring LDP session parameters ···························································································································· 66
Configuring LDP backoff ··············································································································································· 67
Configuring LDP MD5 authentication ·························································································································· 68
Configuring an LSP generation policy ························································································································· 68
Configuring the LDP label distribution control mode ·································································································· 69
Configuring a label advertisement policy ··················································································································· 69
Configuring a label acceptance policy ······················································································································· 70
Configuring LDP loop detection ···································································································································· 71
Configuring LDP session protection ······························································································································ 72
Configuring LDP GR ······················································································································································· 73
Resetting LDP sessions ···················································································································································· 73
Displaying and maintaining LDP ·································································································································· 73
LDP configuration examples ·········································································································································· 74
LDP LSP configuration example ···························································································································· 74
Label acceptance control configuration example ······························································································ 77
Label advertisement control configuration example ·························································································· 81
Configuring tunnel policies ········································································································································ 86
Overview ········································································································································································· 86
Configuring a tunnel policy ·········································································································································· 86
Displaying tunnel information ······································································································································· 87
Tunnel policy configuration example ··························································································································· 87
Configuring MPLS L3VPN ·········································································································································· 88
Overview ········································································································································································· 88
Basic MPLS L3VPN architecture ··························································································································· 88
MPLS L3VPN concepts ·········································································································································· 88
MPLS L3VPN route advertisement ························································································································ 90
MPLS L3VPN packet forwarding ·························································································································· 91
MPLS L3VPN networking schemes ······················································································································· 92
Inter-AS VPN ·························································································································································· 94
Carrier's carrier ····················································································································································· 97
Nested VPN ··························································································································································· 99
HoVPN ·································································································································································· 101
OSPF VPN extension ··········································································································································· 103
BGP AS number substitution ······························································································································· 104
MPLS L3VPN configuration task list ···························································································································· 105
Configuring basic MPLS L3VPN ································································································································· 105
Configuration prerequisites ································································································································ 106
Configuring VPN instances ································································································································ 106
Configuring routing between a PE and a CE ··································································································· 108
Configuring routing between PEs ······················································································································ 112










