ii
CFD configuration example ·········································································································································· 27
Configuring DLDP ······················································································································································· 33
DLDP overview ································································································································································ 33
Background ···························································································································································· 33
How DLDP works ··················································································································································· 34
DLDP configuration task list ··········································································································································· 40
Configuring the duplex mode and speed of an Ethernet interface ··········································································· 40
Enabling DLDP ································································································································································ 41
Setting DLDP mode ························································································································································· 41
Setting the interval to send advertisement packets ····································································································· 41
Setting the delaydown timer ········································································································································· 42
Setting the port shutdown mode ··································································································································· 42
Configuring DLDP authentication ·································································································································· 43
Resetting DLDP state ······················································································································································· 43
Displaying and maintaining DLDP ································································································································ 44
DLDP configuration examples ······································································································································· 44
Automatically shutting down unidirectional links ······························································································· 44
Manually shutting down unidirectional links ······································································································ 48
Troubleshooting DLDP ···················································································································································· 51
Configuring RRPP ······················································································································································· 52
RRPP overview ································································································································································ 52
Background ···························································································································································· 52
Basic concepts in RRPP ········································································································································· 52
RRPPDUS ································································································································································· 54
RRPP timers ····························································································································································· 55
How RRPP works ···················································································································································· 55
Typical RRPP networking ······································································································································· 57
Protocols and standards ······································································································································· 60
RRPP configuration task list············································································································································ 60
Creating an RRPP domain ············································································································································· 61
Configuring control VLANs ··········································································································································· 61
Configuration guidelines ······································································································································ 61
Configuration procedure ······································································································································ 62
Configuring protected VLANs ······································································································································· 62
Configuring RRPP rings ·················································································································································· 63
Configuring RRPP ports ········································································································································· 63
Configuring RRPP nodes ······································································································································· 64
Activating an RRPP domain ··········································································································································· 65
Configuring RRPP timers ················································································································································ 66
Configuring an RRPP ring group ·································································································································· 66
Configuration restrictions and guidelines ··········································································································· 67
Configuration procedure ······································································································································ 67
Displaying and maintaining RRPP ································································································································ 67
RRPP configuration examples ········································································································································ 68
Single ring configuration example ······················································································································ 68
Intersecting ring configuration example ·············································································································· 70
Dual homed rings configuration example ·········································································································· 76
Intersecting-ring load balancing configuration example ··················································································· 86
Troubleshooting ······························································································································································ 95
Configuring Smart Link ·············································································································································· 96
Smart Link overview ······················································································································································· 96
Background ···························································································································································· 96
Terminology ··························································································································································· 97
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