ii
Enabling DLDP ················································································································································ 34
Setting the interval to send advertisement packets ························································································· 35
Setting the DelayDown timer ··························································································································· 35
Setting the port shutdown mode ······················································································································ 35
Configuring DLDP authentication ····················································································································· 36
Displaying and maintaining DLDP ··················································································································· 36
DLDP configuration examples ························································································································· 37
Automatically shutting down unidirectional links ······················································································ 37
Manually shutting down unidirectional links ····························································································· 40
Configuring RRPP ························································································· 44
Overview ·························································································································································· 44
Basic RRPP concepts ······························································································································ 44
RRPPDUs ················································································································································ 46
RRPP timers ············································································································································ 47
How RRPP works ····································································································································· 47
Typical RRPP networking ························································································································ 48
Protocols and standards ·························································································································· 51
RRPP configuration task list ···························································································································· 52
Creating an RRPP domain ······························································································································· 52
Configuring control VLANs ······························································································································· 52
Configuring protected VLANs ·························································································································· 53
Configuring RRPP rings ··································································································································· 54
Configuring RRPP ports ··························································································································· 54
Configuring RRPP nodes ························································································································· 55
Activating an RRPP domain ····························································································································· 56
Configuring RRPP timers ································································································································· 57
Configuring an RRPP ring group ····················································································································· 57
Displaying and maintaining RRPP ··················································································································· 58
RRPP configuration examples ························································································································· 58
Single ring configuration example ············································································································ 58
Intersecting ring configuration example ··································································································· 61
Dual-homed rings configuration example ································································································· 67
Load-balanced intersecting-ring configuration example ··········································································· 77
Troubleshooting RRPP ···································································································································· 87
Configuring Smart Link ················································································· 89
Overview ·························································································································································· 89
Terminology ············································································································································· 90
How Smart Link works ····························································································································· 90
Smart Link collaboration mechanisms ····································································································· 91
Smart Link configuration task list ····················································································································· 92
Configuring a Smart Link device ······················································································································ 92
Configuration prerequisites ······················································································································ 92
Configuring protected VLANs for a smart link group ················································································ 92
Configuring member ports for a smart link group ····················································································· 93
Configuring a preemption mode for a smart link group ············································································ 94
Enabling the sending of flush messages ·································································································· 94
Configuring collaboration between Smart Link and Track ········································································ 94
Configuring an associated device ···················································································································· 95
Configuration prerequisites ······················································································································ 95
Enabling the receiving of flush messages ································································································ 95
Displaying and maintaining Smart Link ············································································································ 95
Smart Link configuration examples ·················································································································· 96
Single smart link group configuration example ························································································ 96
Multiple smart link groups load sharing configuration example ······························································ 100
Smart Link and Track collaboration configuration example ··································································· 104
Configuring Monitor Link ············································································· 110
Overview ························································································································································ 110
Configuration restrictions and guidelines ······································································································· 111
Monitor Link configuration task list ················································································································· 111
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