iii
Fast VRRP state flapping ······································································································································· 88
Configuring BFD ························································································································································· 89
Introduction to BFD························································································································································· 89
BFD session establishment ···································································································································· 89
BFD session modes and operating modes ·········································································································· 89
Supported features ················································································································································ 90
Protocols and standards ······································································································································· 91
Configuring BFD basic functions ·································································································································· 91
Configuring echo packet mode ··························································································································· 91
Configuring control packet mode ························································································································ 91
Displaying and maintaining BFD·································································································································· 93
Configuring Track ······················································································································································ 94
Overview········································································································································································· 94
Collaboration fundamentals ································································································································· 94
Collaboration application example····················································································································· 95
Track configuration task list··········································································································································· 95
Associating the Track module with a detection module····························································································· 96
Associating Track with NQA ······························································································································· 96
Associating Track with BFD ·································································································································· 96
Associating Track with interface management··································································································· 97
Associating the Track module with an application module ······················································································· 98
Associating Track with VRRP ································································································································ 98
Associating Track with static routing ··················································································································· 99
Associating Track with PBR ································································································································ 101
Displaying and maintaining track entries ·················································································································· 102
Track configuration examples ····································································································································· 102
VRRP-Track-NQA collaboration configuration example ·················································································· 102
Configuring BFD for a VRRP backup to monitor the master············································································ 106
Configuring BFD for the VRRP master to monitor the uplinks·········································································· 109
Static routing-Track-NQA collaboration configuration example ···································································· 112
Static routing-Track-BFD collaboration configuration example ······································································· 117
VRRP-Track-interface management collaboration configuration example ····················································· 120
Support and other resources ·································································································································· 124
Contacting HP ······························································································································································ 124
Subscription service ············································································································································ 124
Related information ······················································································································································ 124
Documents ···························································································································································· 124
Websites······························································································································································· 124
Conventions ·································································································································································· 125
Index ········································································································································································ 127