Managed Layer 2+ Stackable Switches FSM7226RS and FSM7250RS Hardware Installation Guide
3-2
Troubleshooting
v1.0, October 2008
Additional Troubleshooting Suggestions
If the suggestions in
Table 3-1 on page 3-1
do not resolve your problem, refer to the
troubleshooting suggestions in this section.
•
Network Adapter Cards
Make sure that the network adapter cards installed in the PCs are in working condition and the
software driver has been installed.
•
Configuration
If problems occur after you change the network configuration, restore the original
connections. Then find the problem by making the changes, one step at a time. Make sure that
cable distances, repeater limits, and other physical aspects of the installation do not exceed the
Ethernet limitations.
•
Switch Integrity
You can verify the integrity of the switch by resetting the switch. To reset the switch, use the
Tools> Reset command or remove AC power from the switch and then reapply AC power. If
the problem continues, contact NETGEAR technical support.
•
Auto-Negotiation
The copper 10/100/1000 Mbps ports negotiate the correct duplex mode and speed if the device
at the other end of the link supports auto-negotiation. If the device does not support auto-
negotiation, the switch only determines the speed correctly and the duplex mode defaults to
half-duplex. The fiber gigabit ports negotiate speed, duplex mode, and flow control, provided
that the attached device supports auto-negotiation.