3Com 3C840 manual Error test Remote network ATM cells are being

13-8CHAPTER 13: TROUBLESHOOTING

Symptom Possible Cause Correction Action

Remote network is not responding (e.g. to PINGs or the Web browser connection requests.)

If your Network Service is PPP, the PPP Authentication information may be incorrect. Check connection event log (Monitor > Events > Connection Event Log) to see if the PPP connection could not be established due to a PAP or CHAP mismatch.

Remote location may be off-line.

Enter the appropriate PPP Username and Password in the remote site profile.

The machine you are trying to connect to may not be running or may be busy processing other requests. Try reaching another remote machine.

The remote network is responding inter- mittently or not at all. Monitor > ATM shows ATM cell delineation successful but Hec sound is high.

There is a corrupt line	Contact the service provider for
causing the ATM data	verification. A lower speed
cells to fail the header	connection may solve the problem.
error test.

The remote network	ATM cells are being	Contact your service provider.
is responding inter-	dropped by a device in
mittently or not at	the path to the remote
all. ATM cell	site.
delineation achieved
but Monitor >
Remote Sites >
Remote Site
Counters shows that
many packets are
being received with
Bad CRC.