3Com DUA1860-0AAA01 Network Hardware User Manual


 
6-4 C
HAPTER
6: P
ROBLEM
S
OLVING
DUA1860-0AAA01
Correcting Problems
By working through this section, you should be able to isolate
faults or find some possible causes and recommended actions.
Network Problems
Symptom: Network communication problems.
Action:
Check the cabling in your network and that it meets the IEEE
standard for cabling.
Find out whether any other devices on your network are also
having communication problems.
PING Or Telnet Problems
Symptom: Cannot PING or Telnet another bridge after entering an
IP address.
Action:
The unit must be reset for an IP address change to take effect.
Check that the IP address is correct for that bridge.
Check that the IP address is unique.
Check that the subnet mask is correct.
Check that the default gateway address is correct.
Check that your address, port, or IP protocol is not being filtered
by the other bridge. If you are unsure, turn off its filters.
Check the port is forwarding traffic.
Check the received packets field (RCVD PKTS/SEC) on the Bridge
Port Statistics screen, for the other bridge.