HP J4899B User Manual - Page 6

Getting Started With Switch Configuration, Troubleshooting

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7. (Optional) Connect a Console to the Switch 2650 2-17 Terminal Configuration 2-17 Direct Console Access 2-18 Sample Network Topologies 2-19 As a Desktop Switch 2-19 As a Segment Switch 2-20 Connecting to a Backbone Switch 2-21 Stacking the Switch 2-22 3 Getting Started With Switch Configuration Recommended Minimal Configuration 3-1 Using the Console Setup Screen 3-2 Where to Go From Here 3-4 Using the IP Address for Remote Switch Management 3-5 Starting a Telnet Session 3-5 Starting a Web Browser Session 3-5 4 Troubleshooting Basic Troubleshooting Tips 4-1 Diagnosing with the LEDs 4-4 Proactive Networking 4-8 Hardware Diagnostic Tests 4-9 Testing the Switch by Resetting It 4-9 Checking the Switch LEDs 4-9 Checking Console Messages 4-9 Testing Twisted-Pair Cabling 4-10 Testing Switch-to-Device Network Communications 4-10 Testing End-to-End Network Communications 4-10 Restoring the Factory Default Configuration 4-11 Downloading New Switch Software 4-12 HP Customer Support Services 4-12 Before Calling Support 4-12 ii

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ii
7. (Optional) Connect a Console to the Switch 2650
. . . . . . . . . . . . . 2-17
Terminal Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Direct Console Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Sample Network Topologies
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
As a Desktop Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
As a Segment Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Connecting to a Backbone Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Stacking the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
3
Getting Started With Switch Configuration
Recommended Minimal Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Using the Console Setup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Where to Go From Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Using the IP Address for Remote Switch Management
. . . . . . . . . . . 3-5
Starting a Telnet Session
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Starting a Web Browser Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
4 Troubleshooting
Basic Troubleshooting Tips
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Diagnosing with the LEDs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Proactive Networking
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Hardware Diagnostic Tests
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Testing the Switch by Resetting It
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Checking the Switch LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Checking Console Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Testing Twisted-Pair Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Testing Switch-to-Device Network Communications
. . . . . . . . . . . . 4-10
Testing End-to-End Network Communications
. . . . . . . . . . . . . . . . . 4-10
Restoring the Factory Default Configuration
. . . . . . . . . . . . . . . . . . 4-11
Downloading New Switch Software
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
HP Customer Support Services
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Before Calling Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12