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Fognet’s Field Guide to OpenView NNM netmon polling statistics ..................................................................... 65 netmon troubleshooting, tracing and d um ping .............................. 67 7. Status Polling - APA............................ 68 APA Architecture ............................................................................... 68 APA vs netmon status architecture ................................................... 69 APA and Sm art Plug-Ins ................................................................... 71 Turn APA polling on or off (“the big sw itch”) ............................... 71 Determ ine poller control.................................................................... 71 APA configuration in a nutshell ....................................................... 71 Dem and polling using ovet_d em and poll.ovpl .............................. 72 APA Island Group Monitoring ......................................................... 73 APA status events ............................................................................... 74 APA status from SN MP traps ........................................................... 74 Suppress/ allow APA status polling ................................................ 75 APA status events ............................................................................... 75 APA status as reflected in ovw m aps .............................................. 76 APA aggregated port support .......................................................... 77 APA H SRP and VRRP status support ............................................. 78 APA board status support ................................................................. 79 paConfig.xm l: the APA configuration file ...................................... 80 paConfig.xm l evaluation ord er issues ............................................. 81 Interface ICMP polling ....................................................................... 81 Synchronizing poll settings w ith configuration polls ................... 81 paConfig.xm l polling granularity class specifications .................. 81 Using ET topology filters to specify polling granularity .............. 82 Filter assertion type attributes .......................................................... 83 Filter nod es based on SNMP sysObjectID ....................................... 85 Force a d evice to be polled via ICMP or SN MP only .................... 86 Filtering by ifType (APA) .................................................................. 87 Disable ICMP to a firew all (APA) .................................................... 87 Sw itching routers and routing sw itches in the APA ..................... 88 viii
