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Configuring VRRP ························································································································································· 1
Overview ············································································································································································ 1
VRRP standard mode ························································································································································ 2
Router priority in a VRRP group ······························································································································ 2
Preemption ································································································································································ 2
Authentication method ············································································································································· 3
VRRP timers ······························································································································································· 3
Master election ························································································································································· 4
VRRP tracking ···························································································································································· 4
VRRP application ······················································································································································ 4
VRRP load balancing mode ············································································································································· 6
Virtual MAC address assignment ··························································································································· 6
Virtual forwarder ······················································································································································ 8
Protocols and standards ················································································································································ 10
Configuring IPv4 VRRP ·················································································································································· 10
Configuring VF tracking ········································································································································ 14
Disabling an IPv4 VRRP group ····························································································································· 15
Configuring IPv6 VRRP ·················································································································································· 16
Configuring VF tracking ········································································································································ 18
Disabling an IPv6 VRRP group ····························································································································· 20
IPv4 VRRP configuration examples ······························································································································· 20
IPv6 VRRP configuration examples ······························································································································· 33
Troubleshooting VRRP ···················································································································································· 47
An error prompt is displayed ······························································································································· 47
Fast VRRP state flapping ······································································································································· 48
Configuring BFD ························································································································································· 49
Introduction to BFD ························································································································································· 49
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