iv
Displaying and maintaining CFD ································································································································· 28
CFD configuration example ·········································································································································· 29
DLDP configuration ························································································································································ 35
Overview········································································································································································· 35
Background ···························································································································································· 35
How DLDP works ··················································································································································· 36
DLDP configuration task list ··········································································································································· 41
Enabling DLDP ································································································································································ 42
Setting DLDP mode ························································································································································· 43
Setting the interval for sending advertisement packets ······························································································ 43
Setting the DelayDown timer ········································································································································ 43
Setting the port shutdown mode ··································································································································· 44
Configuring DLDP authentication ································································································································· 44
Resetting DLDP state ······················································································································································· 45
Displaying and maintaining DLDP································································································································ 46
DLDP configuration examples ······································································································································· 46
Automatically shutting down unidirectional links ······························································································· 46
Manually shutting down unidirectional links ······································································································ 50
Troubleshooting DLDP ···················································································································································· 53
RRPP configuration ························································································································································· 54
RRPP overview ································································································································································ 54
Background ···························································································································································· 54
Basic concepts in RRPP ········································································································································· 54
RRPPDUs ································································································································································· 57
RRPP timers ····························································································································································· 57
How RRPP works ···················································································································································· 58
Typical RRPP networking ······································································································································ 59
Protocols and standards ······································································································································· 62
RRPP configuration task list ··········································································································································· 62
Creating an RRPP domain ············································································································································· 63
Configuring control VLANs ··········································································································································· 63
Configuring protected VLANs ······································································································································· 64
Configuring RRPP rings ·················································································································································· 64
Configuring RRPP ports ········································································································································· 64
Configuring RRPP nodes ······································································································································· 65
Activating an RRPP domain ··········································································································································· 67
Configuring RRPP timers ················································································································································ 67
Configuring an RRPP ring group ·································································································································· 68
Displaying and maintaining RRPP ································································································································ 68
RRPP configuration examples ········································································································································ 69
Single ring configuration example ······················································································································ 69
Intersecting ring configuration example·············································································································· 71
Intersecting-ring load balancing configuration example ··················································································· 77
Troubleshooting ······························································································································································ 86
Smart Link configuration ················································································································································ 88
Smart Link overview ······················································································································································· 88
Background ···························································································································································· 88
Terminology ··························································································································································· 89
How Smart Link works ·········································································································································· 90
Smart Link collaboration mechanisms ················································································································· 90
Smart Link configuration task list ·································································································································· 91
Configuring a smart link device ··································································································································· 91
Configuration prerequisites ·································································································································· 91
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