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Installation
Verify that all system components have been properly installed. If one or more
components appear to be malfunctioning (such as the power cord or network
cabling), test them in an alternate environment where you are sure that all the
other components are functioning properly.
In-Band Access
You can access the management agent in the switch from anywhere within the
attached network using Telnet, a web browser, or other network management
software tools. However, you must first configure the switch with a valid IP
address, subnet mask, and default gateway. If you have trouble establishing a link
to the management agent, check to see if you have a valid network connection.
Then verify that you entered the correct IP address. Also, be sure the port through
which you are connecting to the switch has not been disabled. If it has not been
disabled, then check the network cabling that runs between your remote location
and the switch.
Note: The management agent accepts up to four simultaneous Telnet sessions. If
the maximum number of sessions already exists, an additional Telnet connection
will not be able to log into the system.
Stack Troubleshooting
If a stack fails to initialize or function, first check the following items:
• Check that all stacking cables are properly connected.
• Check if any stacking cables appear damaged.
• Check that the Master Select button is pressed in on only one unit in the stack.
• Check that each unit has the stacking ports enabled (the Stack button pushed
out).
• Check that all switches in the stack are powered on. After checking all items,
reboot all the switches in the stack.