37
T
ROUBLESHOOTING
This section describes problems that may arise when installing the device
and how to resolve these issues. This section includes the following
topics:
■
Problem Managemen
t — Provides information about problem
management with the devices.
■
Troubleshooting Solutions
— Provides a list of troubleshooting
issues and solutions for using the devices.
Problem
Management
Problem management includes isolating and quantifying problems, and
applying solutions.
When a problem is detected, the exact nature of the problem must be
determined. Problem analysis includes how the problem is detected, and
what are its possible causes. With the problem known, the effects of the
problem are recorded, including all known results of the problem. Once
the problem is quantified, theappropriate solution can be applied.
Solutions to common troubleshooting issues are found either in this
document, or can be obtained through Customer Support.
If no solution is found in this document, please contact Customer
Support for advice and instructions.
Troubleshooting
Solutions
Listed below are possible troubleshooting problems and their solutions.
These error messages include:
■
Cannot connect to management using RS-232 serial connection
■
Cannot connect to switch management using Telnet, HTTP, SNMP, etc.
■
Self-test exceeds 15 seconds.
■
No connection is established and the port LED is on.
■
Device is in a reboot loop
Summary of Contents for 3CRUS2475 24
Page 18: ......
Page 40: ...40 CHAPTER 2 AAA COMMANDS ...
Page 54: ...54 CHAPTER 3 ACL COMMANDS ...
Page 76: ...76 CHAPTER 4 ADDRESS TABLE COMMANDS ...
Page 166: ...166 CHAPTER 10 CLOCK COMMANDS ...
Page 200: ...200 CHAPTER 13 LACP COMMANDS ...
Page 208: ...208 CHAPTER 14 POWER OVER ETHERNET COMMANDS ...
Page 262: ...262 CHAPTER 15 SPANNING TREE COMMANDS ...
Page 278: ...278 CHAPTER 17 RADIUS COMMAND ...
Page 281: ...show ports monitor 281 g1 8 RX TX Active g2 8 RX TX Active g18 8 RX Active ...
Page 282: ...282 CHAPTER 18 PORT MONITOR COMMANDS ...
Page 306: ...306 CHAPTER 19 SNMP COMMANDS ...
Page 316: ...316 CHAPTER 20 IP ADDRESS COMMANDS ...
Page 330: ...330 CHAPTER 22 WIRELESS ROGUE AP COMMANDS ...
Page 350: ...350 CHAPTER 23 WIRELESS ESS COMMANDS ...
Page 382: ...382 CHAPTER 25 SSH COMMANDS ...
Page 400: ...400 CHAPTER 27 TACACS COMMANDS Global values TimeOut 3 ...
Page 444: ...444 CHAPTER 31 USER INTERFACE COMMANDS ...
Page 454: ...454 CHAPTER 32 GVRP COMMANDS ...
Page 492: ...492 CHAPTER 34 802 1X COMMANDS ...
Page 521: ...Troubleshooting Solutions 521 ...
Page 522: ...522 CHAPTER 37 TROUBLESHOOTING ...