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Configuring basic MPLS ·············································································································································· 1
Overview ············································································································································································ 1
Basic concepts ·························································································································································· 1
MPLS network architecture ······································································································································ 3
LSP establishment ······················································································································································ 3
MPLS forwarding ······················································································································································ 4
PHP ············································································································································································· 5
Protocols and standards ·········································································································································· 5
MPLS configuration task list ·············································································································································· 5
Enabling MPLS ··································································································································································· 6
Configuring MPLS MTU ···················································································································································· 6
Specifying the label type advertised by the egress ······································································································· 7
Configuring TTL propagation ··········································································································································· 8
Enabling sending of MPLS TTL-expired messages ········································································································· 9
Enabling MPLS forwarding statistics ···························································································································· 10
Enabling SNMP notifications for MPLS ························································································································ 10
Displaying and maintaining MPLS ······························································································································· 10
Configuring a static LSP ············································································································································· 12
Overview ········································································································································································· 12
Configuration prerequisites ··········································································································································· 12
Configuration procedure ··············································································································································· 12
Displaying static LSPs ····················································································································································· 13
Static LSP configuration example ································································································································· 13
Network requirements ··········································································································································· 13
Configuration restrictions and guidelines ··········································································································· 14
Configuration procedure ······································································································································ 14
Verifying the configuration ··································································································································· 15
Configuring LDP ························································································································································· 16
Overview ········································································································································································· 16
Terminology ··························································································································································· 16
LDP messages ························································································································································· 16
LDP operation ························································································································································· 17
Label distribution and control ······························································································································· 18
LDP GR ···································································································································································· 20
LDP NSR ································································································································································· 21
LDP-IGP synchronization ······································································································································· 22
LDP FRR ··································································································································································· 23
Protocols ································································································································································· 23
LDP configuration task list ·············································································································································· 23
Enabling LDP ··································································································································································· 24
Enabling LDP globally ··········································································································································· 24
Enabling LDP on an interface ······························································································································· 25
Configuring Hello parameters ······································································································································ 25
Configuring LDP session parameters ···························································································································· 26
Configuring LDP backoff ··············································································································································· 27
Configuring LDP MD5 authentication ·························································································································· 27
Configuring an LSP generation policy ························································································································· 28
Configuring the LDP label distribution control mode ·································································································· 28
