Configuring VF tracking ········································································································································ 82
Disabling an IPv4 VRRP group ····························································································································· 83
Configuring IPv6 VRRP ·················································································································································· 84
Configuring VF tracking ········································································································································ 87
Disabling an IPv6 VRRP group ····························································································································· 88
IPv4 VRRP configuration examples ······························································································································· 89
IPv6 VRRP configuration examples ····························································································································· 102
Troubleshooting VRRP ·················································································································································· 117
An error prompt is displayed ····························································································································· 117
Fast VRRP state flapping ····································································································································· 118
Configuring BFD ······················································································································································ 119
Introduction to BFD ······················································································································································· 119
BFD session establishment ·································································································································· 119
Supported features ·············································································································································· 120
Protocols and standards ····································································································································· 121
Configuring BFD basic functions ································································································································ 121
Configuring echo packet mode ························································································································· 121
Displaying and maintaining BFD ································································································································ 123
Configuring Track ··················································································································································· 125
Overview ······································································································································································· 125
Collaboration fundamentals ······························································································································· 125
Track configuration task list ········································································································································· 126
Associating Track with NQA ····························································································································· 127
Associating Track with BFD ································································································································ 128
Associating Track with CFD ······························································································································· 128
Associating Track with VRRP ······························································································································ 129
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