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Network_Troubleshooting
1By: XXXX
Date: 31 December 2010
Training Program
2
ST Electronics (Satcom Sensor Systems) Empowering thru’ Innovation2
Table of Contents
? Network Troubleshooting Tools
? Basic Network Troubleshooting
? Basic Network Troubleshooting –Downstream Acquisition
? Basic Network Troubleshooting –Upstream Acquisition
? What is Recovery Stack
? Hub Component Failover Procedures
This presentation covers the following topics:
3Troubleshooting
4
ST Electronics (Satcom Sensor Systems) Empowering thru’ Innovation4
Network Troubleshooting Tools
Network Troubleshooting Tools
? System Performance Monitoring
? Traffic Stats
? Frequency Offset
? Symbol Offset
? Trouble Shooting Tips
? Spectrum Analyzer Set-Up for Zero Span
? Zero Span, RBW 300 kHz, VBW 1 kHz, Sweep 200ms, 5 dB per Div
? How to trouble shoot Viruses tcpdump
? /tcpdump_man.html
? Remote Diagnostics Detail
? Status of LED on the Remote
? Screen shot of Boot Process
? Remote Console Help listing
? Many useful commands
? Manual configuration and monitoring interface
5
ST Electronics (Satcom Sensor Systems) Empowering thru’ Innovation5
Basic Network Troubleshooting
? The Challenge – Bring the first/new remotes into the network
? Troubleshooting Methodology – Examine Downstream Upstream
carriers for proper performance relating to:
? Timing
? Frequency
? Power
? Accomplished using established tools and procedures
? iMonitor ( iBuilder)
? iSite Connected locally
? Spectrum Analyzer
6
ST Electronics (Satcom Sensor Systems) Empowering thru’ Innovation6
Basic Network Troubleshooting –
Downstream Acquisition
? The Challenge – Bring the first/new remotes into the network
? Troubleshooting Methodology – Examine Downstream Upstream carriers
for proper performance relating to:
? Timing
? Frequency
? Power
? Accomplished Using Established Tools Procedures
? iMonitor ( iBuilder) from the Network Operations Center
? iSite connected locally (usually during commissioning process)
? Spectrum Analyzer m
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