You can perform Nortel 5500 configuration using the following steps:
enable feature AppFlow
set appflow param -httpUrl ENABLED -httpReferer ENABLED -httpMethod ENABLED -httpHost ENABLED -httpUserAgent ENABLED -clientTrafficOnly YES
set appflow param -templateRefresh 60
add appflow collector NetFlow Analyzer -IPAddress {NETFLOW_SERVER_IP} - port {NETFLOW_SERVER_LISTENER_PORT}
add appflow action af_act_netflowanalyzer -collectors NetFlow Analayzer
add appflow policy af_pol_log-all true af_act_NetFlowAnalyzer
bind system global -policyName af_pol_log-all -priority 100 -gotoPriorityExpression