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Multiple VRRP groups configuration example ···································································································· 36
IPv6 VRRP configuration examples ······························································································································· 38
Single VRRP group configuration example ········································································································· 38
Multiple VRRP groups configuration example ···································································································· 41
Troubleshooting VRRP ···················································································································································· 45
An error prompt is displayed ······························································································································· 45
Multiple masters appear in a VRRP group ·········································································································· 45
Fast VRRP state flapping ······································································································································· 45
Configuring BFD ························································································································································· 47
Introduction to BFD ························································································································································· 47
BFD session establishment ···································································································································· 47
BFD session modes and operating modes ·········································································································· 47
Supported features ················································································································································ 48
Protocols and standards ······································································································································· 48
Configuring BFD basic functions ·································································································································· 49
Configuring echo packet mode ··························································································································· 49
Configuring control packet mode ························································································································ 49
Displaying and maintaining BFD ·································································································································· 51
Index ··········································································································································································· 52
