LIB-4400/4424 Installation Guide
| MANUAL Page 44 of 65
4. Messages and Troubleshooting
This section provides general and specific LIB-4xxx problem solving suggestions, general error recovery
steps, and specific web interface messages, meanings, examples, and possible recovery steps.
LIB-4xxx Troubleshooting
Check the LIB-4xxx Back Panel Connections (see page 30)
Verify the Installation. Check the Operating System, Web Browser, Telnet Client, and/or Terminal
Emulation package support (see page 32).
Make sure your particular model supports the function attempted.
Check the LIB-4xxx Front Panel Connectors (see page 24) and LEDs (see page 25).
Respond to any LIB-4xxx error messages (see “ Error Recovery” below).
Run the LIB-4xxx Diagnostics tests and verification functions (e.g., Ping, Link OAM Mib Retrieve, Ping6,
VeriPHY). See the “Diagnostics” section of the related Web User Guide manual.
Perform the LIB-4xxx troubleshooting and service functions (e.g., Restart Device, reset to Factory
Defaults, Software Upload, Image Select). See “4. Messages and Troubleshooting” on page 44.
Check the LIB-4xxx operating parameters (e.g., Information, CPU Load, Log, Detailed Log). See the
“Operation” section of the related Web User Guide manual.
If you can access the LIB-4xxx via PuTTY or HyperTerminal but not via the web interface, enter the
restore default keep_ip CLI command and try accessing the Sxxx web interface again.
If you have problems displaying the LIB-4xxx web interface in IE, try displaying in Compatibility View from
the IE Tools > Compatibility View menu path.
LIB-4xxx Error Recovery
The LIB-4xxx displays error and information messages from the CLI and Web interface. This section lists
the messages, provides an example, and discusses the message meaning of and possible recovery
steps.
As a general troubleshooting step for problems encountered using the LIB-4xxx web interface, try the
related CLI command. For many messages, recovery involves reviewing the command/function
description and verifying the entry selection/syntax. For example, for many CLI messages, the first
recovery step would be to refer to the related CLI Reference manual.
For any error condition, you can check the TN Tech Support web site for possible solutions. For any
problem that persists, contact TN Tech Support in the US or Canada at 1-800-260-1312, International at
00-1-952-941-7600; via fax at +1 952-941-2322; or via Email at techsupport@transition.com.
Generic Message Recovery (e.g., you tried a function, but the operation failed or is still in process):
Wait for a few moments for the operation to complete.
Use the Help or ? command to get assistance (help) on a group of commands or on a specific command.
Make sure this is the function you want and that the device/port/configuration supports this function.
Verify the parameters entered and re-try the function. See the related section of this manual for specifics.
Try using the CLI to perform the function. See the related CLI Reference manual.
If the “continue y(es) n(o) prompt” displays, type y and press Enter to continue.
Use the Monitor sub-menu functions (System, Ports, Link OAM, MAC Table, VLANS) to view related
status, statistics, events, etc. related to a specific function.
Use the Diagnostics sub-menu functions (Ping, Link OAM MIB Retrieval, VeriPHY) to test a general
functionality.
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