iii
Troubleshooting RRPP ·················································································································································· 102
Configuring Smart Link ··········································································································································· 104
Smart Link overview ····················································································································································· 104
Background ·························································································································································· 104
Terminology ························································································································································· 105
How Smart Link works ········································································································································ 106
Smart Link configuration task list ································································································································ 107
Configuring a Smart Link switch ································································································································· 107
Configuration prerequisites ································································································································ 107
Configuring protected VLANs for a Smart Link group ····················································································· 107
Configuring member ports for a Smart Link group ·························································································· 108
Configuring role preemption for a Smart Link group ······················································································ 109
Enabling the sending of flush messages ··········································································································· 109
Configuring an associated switch ······························································································································ 110
Configuration prerequisites ································································································································ 110
Enabling the receiving of flush messages ········································································································· 110
Displaying and maintaining Smart Link ····················································································································· 110
Smart Link configuration examples ···························································································································· 111
Single Smart Link group configuration example ······························································································ 111
Multiple Smart Link groups load sharing configuration example ··································································· 115
Configuring Monitor Link ········································································································································ 120
Overview ······································································································································································· 120
Terminology ························································································································································· 120
How Monitor Link works ····································································································································· 121
Configuring Monitor Link ············································································································································ 121
Creating a monitor link group ··························································································································· 121
Configuring monitor link group member ports ································································································· 121
Displaying and maintaining Monitor Link ················································································································· 122
Monitor Link configuration example ·························································································································· 122
Configuring VRRP ···················································································································································· 127
VRRP overview ······························································································································································ 127
VRRP standard protocol mode ···································································································································· 128
Introduction to VRRP group ································································································································· 128
VRRP timers ·························································································································································· 129
Packet format ······················································································································································· 130
VRRP principles ···················································································································································· 131
VRRP tracking ······················································································································································· 132
VRRP application (taking IPv4-based VRRP for example) ················································································ 133
VRRP load balancing mode ········································································································································ 134
Overview ······························································································································································ 134
Assigning virtual MAC addresses ····················································································································· 135
Virtual forwarder ················································································································································· 136
Packet types ························································································································································· 139
Configuration restrictions and guidelines ·················································································································· 139
Specifying a VRRP version ·········································································································································· 140
Configuring VRRP for IPv4 ··········································································································································· 140
VRRP for IPv4 configuration task list ·················································································································· 140
Configuring a VRRP working mode ··················································································································· 140
Specifying the type of MAC addresses mapped to virtual IP addresses ······················································· 141
Creating a VRRP group and configuring virtual IP address ············································································ 142
Configuring router priority, preemptive mode and tracking function ···························································· 143
Configuring VF tracking ······································································································································ 144
Configuring VRRP packet attributes ··················································································································· 145
