Enabling DLDP ································································································································································ 30
Setting the DelayDown timer ········································································································································ 30
Setting the port shutdown mode ··································································································································· 31
Configuring DLDP authentication ·································································································································· 31
Displaying and maintaining DLDP ································································································································ 32
DLDP configuration examples ······································································································································· 32
Configuring Smart Link ·············································································································································· 40
Smart Link overview ······················································································································································· 40
Terminology ··························································································································································· 41
How Smart Link works ·········································································································································· 41
Configuring a Smart Link device ·································································································································· 43
Configuration prerequisites ·································································································································· 43
Configuring an associated device ······························································································································· 46
Configuration prerequisites ·································································································································· 46
Configuring Monitor Link ··········································································································································· 62
Overview ········································································································································································· 62
Configuring Monitor Link ·············································································································································· 63
Creating a monitor link group ····························································································································· 63
Configuring VRRP ······················································································································································· 69
Overview ········································································································································································· 69
VRRP standard mode ····················································································································································· 70
Router priority in a VRRP group ··························································································································· 70
Preemption ····························································································································································· 70
Authentication method ·········································································································································· 71
VRRP timers ···························································································································································· 71
Master election ······················································································································································ 72
VRRP tracking ························································································································································· 72
VRRP application ··················································································································································· 72
VRRP load balancing mode ·········································································································································· 74
Virtual MAC address assignment ························································································································ 74
Virtual forwarder ··················································································································································· 76
Protocols and standards ················································································································································ 78
Configuring IPv4 VRRP ·················································································································································· 78
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