iv
Enabling the trap function for VRRP··················································································································· 146
Displaying and maintaining VRRP for IPv4 ······································································································· 146
Configuring VRRP for IPv6 ··········································································································································· 147
VRRP for IPv6 configuration task list ·················································································································· 147
Specifying the type of MAC addresses mapped to virtual IPv6 addresses ·················································· 147
Creating a VRRP group and configuring a virtual IPv6 address ···································································· 148
Configuring router priority, preemptive mode and tracking function ···························································· 149
Configuring VF tracking ······································································································································ 150
Configuring VRRP packet attributes ··················································································································· 151
Displaying and maintaining VRRP for IPv6 ······································································································· 152
IPv4-based VRRP configuration examples ················································································································· 152
Single VRRP group configuration example ······································································································· 153
VRRP interface tracking configuration example ······························································································· 155
VRRP with multiple VLANs configuration example ··························································································· 159
VRRP load balancing mode configuration example ························································································ 161
IPv6-based VRRP configuration examples ················································································································· 171
Single VRRP group configuration example ······································································································· 171
VRRP interface tracking configuration example ······························································································· 175
VRRP with multiple VLANs configuration example ··························································································· 178
VRRP load balancing mode configuration example ························································································ 182
Troubleshooting VRRP ·················································································································································· 191
The screen frequently displays error prompts ··································································································· 191
Multiple masters are present in the same VRRP group ···················································································· 191
Frequent VRRP state transition ···························································································································· 191
Configuring BFD ······················································································································································ 192
BFD overview ································································································································································ 192
How BFD works ··················································································································································· 192
BFD packet format ··············································································································································· 194
Supported features ·············································································································································· 196
Protocols and standards ····································································································································· 196
Configuring BFD basic functions ································································································································ 197
Configuration prerequisites ································································································································ 197
Configuration procedure ···································································································································· 197
Displaying and maintaining BFD ································································································································ 198
Configuring Track ··················································································································································· 199
Overview ······································································································································································· 199
Introduction to collaboration ······························································································································ 199
Collaboration fundamentals ······························································································································· 199
Collaboration application example ··················································································································· 200
Track configuration task list ········································································································································· 200
Associating the Track module with a detection module ··························································································· 201
Associating Track with NQA ····························································································································· 201
Associating Track with BFD ································································································································ 202
Associating Track with interface management ································································································· 202
Associating the Track module with an application module ····················································································· 203
Associating Track with VRRP ······························································································································ 203
Associating Track with static routing ················································································································· 205
Associating Track with PBR ································································································································ 206
Displaying and maintaining track entries ·················································································································· 207
Track configuration examples ····································································································································· 207
VRRP-Track-NQA collaboration configuration example (the master monitors the uplink) ··························· 207
Configuring BFD for a VRRP backup to monitor the master ············································································ 211
Configuring BFD for the VRRP master to monitor the uplinks ·········································································· 214
