iv
IPv4-based VRRP configuration examples ················································································································· 135
Single VRRP group configuration example ······································································································· 135
VRRP interface tracking configuration example ······························································································· 138
VRRP with multiple VLANs configuration example··························································································· 142
VRRP load balancing mode configuration example ························································································ 144
IPv6-based VRRP configuration examples ················································································································· 154
Single VRRP group configuration example ······································································································· 154
VRRP interface tracking configuration example ······························································································· 157
VRRP with multiple VLANs configuration example··························································································· 161
VRRP load balancing mode configuration example ························································································ 165
Troubleshooting VRRP ·················································································································································· 174
The screen frequently displays error prompts. ································································································· 174
Multiple masters are present in the same VRRP group. ··················································································· 174
Frequent VRRP state transition.
··························································································································· 174
Configuring BFD ······················································································································································ 175
BFD overview
································································································································································ 175
How BFD works ··················································································································································· 175
BFD packet format ··············································································································································· 177
Supported features ·············································································································································· 179
Protocols and standards ····································································································································· 179
Configuring BFD basic functions ································································································································ 179
Configuration prerequisites ································································································································ 179
Configuration procedure ···································································································································· 179
Displaying and maintaining BFD································································································································ 181
Configuring track ···················································································································································· 182
Track overview ····························································································································································· 182
Introduction to collaboration ······························································································································ 182
Collaboration fundamentals ······························································································································· 182
Collaboration application example··················································································································· 183
Track configuration task list········································································································································· 183
Associating the track module with a detection module ··························································································· 184
Associating track with NQA ······························································································································ 184
Associating track with BFD ································································································································· 184
Associating track with interface management ································································································· 185
Associating the track module with an application module
······················································································ 186
Associating track with VRRP ······························································································································· 186
Associating track with static routing ·················································································································· 188
Displaying and maintaining track entries ·················································································································· 189
Track configuration examples ····································································································································· 189
VRRP-track-NQA collaboration configuration example (the master monitors the uplink) ···························· 189
Configuring BFD for a VRRP backup to monitor the master············································································ 193
Configuring BFD for the VRRP master to monitor the uplinks·········································································· 196
Static routing-track-NQA collaboration configuration example ····································································· 199
Static routing-Track-BFD collaboration configuration example ······································································· 204
VRRP-track-interface management collaboration configuration example (the master monitors the uplink
interface)······························································································································································· 207
Support and other resources ·································································································································· 211
Contacting HP ······························································································································································ 211
Subscription service ············································································································································ 211
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