H3C Technologies H3C WX3000E Series Wireless Switches - Manual (Page 7)

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High availability overview ··········································································································································· 1
Availability requirements ·················································································································································· 1
Availability evaluation ······················································································································································ 1
High availability technologies ········································································································································· 2
Fault detection technologies ···································································································································· 2
Protection switchover technologies ························································································································· 2
Configuring VRRP ························································································································································· 4
VRRP overview ··································································································································································· 4
VRRP standard protocol mode ········································································································································· 5
Introduction to VRRP group ······································································································································ 5
VRRP timers ······························································································································································· 6
Packet format ···························································································································································· 7
Principles of VRRP ····················································································································································· 8
VRRP tracking ···························································································································································· 8
VRRP application ······················································································································································ 9
VRRP load balancing mode ·········································································································································· 10
Overview ································································································································································ 10
Assigning virtual MAC addresses ······················································································································· 11
Virtual forwarder ··················································································································································· 12
Packet types ··························································································································································· 14
Configuring VRRP ··························································································································································· 15
VRRP configuration task list ·································································································································· 15
Configuring a VRRP working mode ····················································································································· 15
Specifying the type of MAC addresses mapped to virtual IP addresses ························································· 16
Creating a VRRP group and configuring virtual IP address ·············································································· 17
Configuring router priority, preemptive mode and tracking function ······························································ 18
Configuring VF tracking ········································································································································ 19
Configuring VRRP packet attributes ····················································································································· 19
Enabling VRRP traps ·············································································································································· 20
Displaying and maintaining VRRP for IPv4 ················································································································· 21
VRRP configuration examples ······································································································································· 21
Single VRRP group configuration example ········································································································· 21
VRRP interface tracking configuration example ································································································· 24
VRRP with multiple VLANs configuration example ····························································································· 28
Troubleshooting VRRP ···················································································································································· 31
Configuring stateful failover ······································································································································ 32
Stateful failover overview ·············································································································································· 32
Operating procedure ············································································································································ 32
Stateful failover states ··········································································································································· 33
Stateful failover configuration task list ························································································································· 34
Enabling stateful failover ··············································································································································· 34
Configuring the backup VLAN ····································································································································· 35
Displaying and maintaining stateful failover ··············································································································· 35
Stateful failover configuration examples ······················································································································ 35
Configuration guidelines ··············································································································································· 35
Confiruing track ·························································································································································· 36
Track overview ······························································································································································· 36