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Enabling automatic configuration synchronization···························································································· 81
Configuring a failover interface and a backup VLAN ······················································································ 81
Displaying and maintaining stateful failover ······································································································ 82
Stateful failover configuration example ·············································································································· 82
Configuration guidelines ··············································································································································· 83
Configuring IPC ·························································································································································· 85
Overview ········································································································································································· 85
Node ······································································································································································· 85
Link ·········································································································································································· 85
Channel ·································································································································································· 85
Packet sending modes ·········································································································································· 86
Enabling IPC performance statistics ····························································································································· 86
Displaying and maintaining IPC ··································································································································· 87
Configuring Track ······················································································································································ 88
Overview ········································································································································································· 88
Collaboration fundamentals ································································································································· 88
Collaboration application example ····················································································································· 89
Track configuration task list ··········································································································································· 89
Associating the Track module with a detection module ····························································································· 90
Associating Track with NQA ······························································································································· 90
Associating Track with interface management ··································································································· 90
Associating the Track module with an application module ······················································································· 91
Associating Track with VRRP ································································································································ 91
Associating Track with static routing ··················································································································· 93
Associating Track with PBR ·································································································································· 94
Associating Track with interface backup ············································································································ 95
Displaying and maintaining track entries ···················································································································· 96
Track configuration examples ······································································································································· 96
VRRP-Track-NQA collaboration configuration example ···················································································· 96
Static routing-Track-NQA collaboration configuration example ···································································· 100
VRRP-Track-interface management collaboration configuration example ····················································· 104
Configuring NQA ··················································································································································· 108
Overview ······································································································································································· 108
Collaboration ······················································································································································· 108
Threshold monitoring ·········································································································································· 109
NQA configuration task list ········································································································································ 110
Configuring the NQA server ······································································································································ 110
Configuring the NQA client ········································································································································ 111
Enabling the NQA client ···································································································································· 111
Configuring an ICMP echo operation ··············································································································· 111
Configuring a DHCP operation ························································································································· 112
Configuring a DNS operation ··························································································································· 113
Configuring an FTP operation ···························································································································· 113
Configuring an HTTP operation ························································································································· 114
Configuring a UDP jitter operation ···················································································································· 115
Configuring an SNMP operation······················································································································· 116
Configuring a TCP operation ····························································································································· 117
Configuring a UDP echo operation ··················································································································· 118
Configuring a voice operation ··························································································································· 119
Configuring a DLSw operation ·························································································································· 121
Configuring optional parameters for an NQA operation ··············································································· 121
Configuring the collaboration function ············································································································· 123
Configuring threshold monitoring ······················································································································ 123
