Expand Configuration and Management Manual (H06.21+, J06.10+)

Contents
Expand Configuration and Management Manual — 529522-013
xvii
19. Tuning
19. Tuning
The Role of Network Tuning 19-1
Tuning Goals 19-1
Performance Factors 19-2
How to Use the Performance Factors Table 19-2
Multipacket Frame Size 19-3
Variable Packet Size 19-5
Application Message Size 19-7
Packet Format 19-9
Congestion Control 19-9
Layer 2 Window Size 19-10
Processor Type 19-11
NAM Interface 19-12
Data Compression 19-12
Multi-Line Paths 19-13
Multi-CPU Paths 19-14
Network Topology 19-20
Summary of Tuning Strategies 19-21
Measuring and Mapping an Expand Network 19-22
What the Utilities Show 19-22
Using Measure 19-23
Measuring Passthrough Traffic 19-28
Setting Measurement Intervals 19-28
Tuning Examples 19-28
Example 1: Changing Packet Size 19-28
Example 2: Reducing Passthrough Traffic 19-31
20. Troubleshooting
Understanding Your Network 20-1
Collecting Network Information 20-1
EMS 20-1
SCF 20-1
Measure 20-2
ASAP 20-2
Identifying Network Problems 20-3
User Complaints 20-4
SCF Commands 20-4
Problem Check-List Summary 20-10
Resolving Specific Network Problems 20-11