HP AE370A HP StorageWorks Fabric OS 6.x administrator guide (5697-0015, May 20 - Page 355
Monitoring trunks, Displaying monitor counters
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To display the top flows on domain 2 in PID format: perfttmon --show dom 2 pid switch:admin> perfttmon --show dom 2 pid Src_PID Dst_PID MB/sec 0xa908ef 0xa05200 6.926 0xa05200 0xa908ef 6.872 0xa905ef 0xa05200 6.830 0xa909d5 0xa05200 6.772 Limitations of Top Talker monitors • Top Talker monitors cannot detect transient surges in traffic through a given flow. • You cannot install a Top Talker monitor on a mirrored port. • Top Talker can monitor only 10,000 flows at a time. • Top Talker is not supported on VE_Ports, EX_Ports, and VEX_Ports. Monitoring trunks For trunked ISLs on Fabric OS 4.x or later switches, monitoring is set only on the master ISL, which communicates with the associated slave ISLs. Note the following: • For Fabric OS 3.x switches, monitoring can be set on slave ISLs. • End-to-end monitors are not supported for ISLs. • 4/8 SAN Switch, 4/16 SAN Switch models support 8 filter-based monitors for trunks. • The SAN Switch 4/32, 4/64 SAN Switch, SAN Switch 4/32B, 400 Multi-protocol Router, 4/256 SAN Director and DC Director switches support 12 filter-based monitors for trunks. Displaying monitor counters Use the perfMonitorShow command to display the monitors on a specified port. For end-to-end counters, you can display either the cumulative count of the traffic detected by the monitors or a snapshot of the traffic at specified intervals. NOTE: 4/8 SAN Switch, 4/16 SAN Switch, SAN Switch 4/32, 4/64 SAN Switch, SAN Switch 4/32B, 400 Multi-protocol Router, 4/256 SAN Director, and DC Director output does not include CRC counts. The command format is: perfmonitorshow --class monitor_class [slotnumber/]portnumber [interval] monitor_class The monitor class, which can be one of EE (end-to-end), FLT (filter-based), or ISL (inter-switch link). The --class monitor_class operand is required. Fabric OS 6.x administrator guide 355
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