H3C Technologies H3C S12500-X Series Switches - Manual (Page 7)

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Configuring DLDP authentication ·································································································································· 29
Displaying and maintaining DLDP ································································································································ 30
DLDP configuration examples ······································································································································· 30
Automatically shutting down unidirectional links ······························································································· 30
Manually shutting down unidirectional links ······································································································ 33
Configuring VRRP ······················································································································································· 38
Overview ········································································································································································· 38
VRRP standard mode ····················································································································································· 39
Router priority in a VRRP group ··························································································································· 39
Preemption ····························································································································································· 39
Authentication method ·········································································································································· 40
VRRP timers ···························································································································································· 40
Master election ······················································································································································ 41
VRRP tracking ························································································································································· 41
VRRP application ··················································································································································· 41
Protocols and standards ················································································································································ 43
Configuring IPv4 VRRP ·················································································································································· 43
IPv4 VRRP configuration task list ·························································································································· 43
Specifying the IPv4 VRRP version ························································································································ 43
Creating a VRRP group and assigning a virtual IP address ············································································· 44
Configuring the router priority, preemptive mode, and tracking function ······················································ 44
Configuring IPv4 VRRP packet attributes ············································································································ 45
Enabling SNMP notifications for VRRP ················································································································ 46
Disabling an IPv4 VRRP group ····························································································································· 46
Displaying and maintaining IPv4 VRRP ··············································································································· 47
Configuring IPv6 VRRP ·················································································································································· 47
IPv6 VRRP configuration task list ·························································································································· 47
Creating a VRRP group and assigning a virtual IPv6 address ········································································· 47
Configuring the router priority, preemptive mode, and tracking function ······················································ 48
Configuring IPv6 VRRP packet attributes ············································································································ 49
Disabling an IPv6 VRRP group ····························································································································· 50
Displaying and maintaining IPv6 VRRP ··············································································································· 50
IPv4 VRRP configuration examples ······························································································································· 50
Single VRRP group configuration example ········································································································· 50
Multiple VRRP groups configuration example ···································································································· 53
IPv6 VRRP configuration examples ······························································································································· 56
Single VRRP group configuration example ········································································································· 56
Multiple VRRP groups configuration example ···································································································· 59
Troubleshooting VRRP ···················································································································································· 63
An error prompt is displayed ······························································································································· 63
Multiple masters appear in a VRRP group ·········································································································· 63
Fast VRRP state flapping ······································································································································· 63
Configuring BFD ························································································································································· 65
Introduction to BFD ························································································································································· 65
BFD session establishment ···································································································································· 65
BFD session modes and operating modes ·········································································································· 65
Supported features ················································································································································ 66
Protocols and standards ······································································································································· 67
Configuring BFD basic functions ·································································································································· 67
Configuring echo packet mode ··························································································································· 67
Configuring control packet mode ························································································································ 68
Displaying and maintaining BFD ·································································································································· 69