Table of Contents
Chapter 15: The Standard Edition IOS
[V] Virtual LAN............................................................................................................................293
[R] Multicast Registration.............................................................................................................294
[F] Firmware..................................................................................................................................294
[I] RS−232 Interface......................................................................................................................295
[U] Usage Summaries...................................................................................................................296
Configuring Network Settings on the 1900 and 2820 Series...............................................................298
Configuring Broadcast Storm Control on Switch Ports.......................................................................299
Configuring SNMP on the 1900 Series...............................................................................................300
Configuring Port Monitoring on the Standard Edition IOS.................................................................303
Configuring VLANs on the Standard Edition IOS..............................................................................304
Configuring Spanning Tree Protocol...................................................................................................307
Chapter 16: Switch Troubleshooting............................................................................................................309
In Depth...............................................................................................................................................309
Hardware Troubleshooting..................................................................................................................309
No Power.......................................................................................................................................309
POST.............................................................................................................................................309
Indicator Lights.............................................................................................................................310
Switch Cabling.....................................................................................................................................311
Cable Problems..............................................................................................................................312
Cross−Over Cables........................................................................................................................312
Switch Troubleshooting Tools.............................................................................................................312
CiscoWorks for Switched Internetworks......................................................................................312
IOS Software Troubleshooting Commands..................................................................................313
Viewing the Set/Clear IOS Configuration...........................................................................................316
Viewing the CLI−Based IOS Configuration.......................................................................................320
Viewing the Software Version on a Set/Clear Command−Based IOS Module..................................321
Viewing the IOS Version Information on a CLI−Based IOS..............................................................321
Using the show flash Command on a Set/Clear Command−Based IOS.............................................321
Testing the Supervisor Engine Hardware on a Set/Clear Command−Based Switch...........................322
Testing External Module Hardware on a Set/Clear Command−Based Switch...................................323
Viewing the System Configuration on a Set/Clear Command−Based Switch....................................323
Viewing the VTP Domain Configuration on a Set/Clear IOS.............................................................324
Viewing the VTP Domain Configuration on a CLI−Based IOS.........................................................324
Viewing the VLAN Configuration on a Set/Clear Command−Based Switch.....................................324
Viewing the VLAN Configuration on a CLI−Based IOS....................................................................325
Viewing the Spanning Tree Configuration on a Set/Clear Command−Based IOS.............................325
Viewing the Spanning Tree Configuration on a CLI−Based IOS.......................................................326
Viewing the CAM (MAC Address) Table on a Set/Clear Command−Based IOS..............................328
Viewing the CAM (MAC Address) Table on a CLI−Based IOS........................................................328
Viewing the CDP Neighbors on a Set/Clear Command−Based IOS...................................................329
Viewing the CDP Neighbors on a CLI−Based IOS.............................................................................329
Viewing Individual Port CAM Tables on a CLI−Based IOS..............................................................330
Viewing Port Statistics on a Set/Clear IOS.........................................................................................330
Viewing Port Statistics on a CLI−Based IOS......................................................................................332
Using the Port Configuration on a Set/Clear Command−Based IOS..................................................333
Using the show port Command on a CLI−Based IOS.........................................................................333
Using the show vlan Command on a Set/Clear Command−Based IOS..............................................334
Using the show vlan Command on a CLI−Based IOS........................................................................334
Using the show interface Command on a Set/Clear Command−Based IOS.......................................335
Using the show interface Command on a CLI−Based IOS.................................................................335
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