HP ProCurve

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When There Are No Recommendations . . . . . . . . . . . . . . . . . . . . . . . 10-18
Controlling Data Storage—Administration . . . . . . . . . . . . . . . . . . . 10-18
How the Network Performance Advisor Collects Data . . . . . . . . . 10-19
Understanding HP Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-19
Traffic Data Collector Performance . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20
Potential Problems with Data Collection . . . . . . . . . . . . . . . . . . . . . . 10-21
Segments Excluded from Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
Segments that do not have Devices with Sampling Capability . . . . 10-22
Segments not Selected for Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . 10-22
11 Quality of Service
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
Viewing All Currently Configured QoS Policies . . . . . . . . . . . . . . . . 11-4
Configuring QoS for Specific Devices (IP Addresses) . . . . . . . . . . 11-4
Adding a Policy for a Specific IP Address . . . . . . . . . . . . . . . . . . . . . . 11-5
Configuring a QoS Policy for IP Type of Service (ToS) . . . . . . . . . 11-6
ToS Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6
How To Configure a ToS Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8
Configuring a QoS Policy for Specific Protocols . . . . . . . . . . . . . . . . 11-9
Configuring a QoS Policy for a Specific VLAN . . . . . . . . . . . . . . . . . 11-11
12 Accessing Hub Features
Device Management Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Viewing Device Identity Information . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2
Interpreting Device Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Reading the Performance Gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-3
Global Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-5
Port Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7
Configuring Your Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-7
Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-8
System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-9