Traffic mirroring configuration example ···········································································································111
NQA configuration ················································································································································· 114
NQA overview ·····························································································································································114
NQA features ······················································································································································114
NQA concepts·····················································································································································116
NQA probe operation procedure ·····················································································································117
NQA configuration task list ········································································································································117
Configuring the NQA server ······································································································································118
Enabling the NQA client ·············································································································································118
Creating an NQA test group······································································································································119
Configuring an NQA test group ································································································································119
Configuring ICMP echo tests······························································································································119
Configuring DHCP tests ······································································································································120
Configuring DNS tests ········································································································································121
Configuring FTP tests···········································································································································122
Configuring HTTP tests ········································································································································123
Configuring UDP jitter tests·································································································································124
Configuring SNMP tests ·····································································································································126
Configuring TCP tests··········································································································································126
Configuring UDP echo tests································································································································127
Configuring voice tests ·······································································································································128
Configuring DLSw tests ·······································································································································130
Configuring threshold monitoring·······························································································································131
Displaying and maintaining NQA ·····························································································································136
NQA configuration examples ····································································································································136
DNS test configuration example························································································································139
FTP test configuration example ··························································································································141
TCP test configuration example ·························································································································147
sFlow configuration················································································································································· 157
sFlow overview ·····························································································································································157
Introduction to sFlow ···········································································································································157
sFlow operation ···················································································································································157
Configuring sFlow ························································································································································158
Configuring flow sampling ·································································································································158
Configuring counter sampling····························································································································159
Displaying and maintaining sFlow·····························································································································159
sFlow configuration example ······································································································································159
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