3Com 3C840 manual General Network Connection Problems, Symptom Possible Cause Correction Action

General Network Connection Problems 13-7

General Network

Connection

Problems

Symptom	Possible Cause	Correction Action
Remote network is	LAN or WAN	1 See “LAN Connection
not responding (e.g.	connection problem.	Problems” and “WAN
to PINGs or the Web		Connection Problems”.
browser connection		2 Go to Monitor > Networks >
requests.)
		Network Status to view more
		detailed problem, then take
		corrective action.
	Incorrect Virtual Circuit	Check the VC information and
	(VC) information has	correct as needed.
	been entered. Use the
	Monitor > ATM screen
	to observe ATM error
	counts. If the BadVPI or
	VDI error count is
	incrementing, the
	problem may be an
	incorrect VC identifier.

Network Service (RFC 1483 or PPP) on OfficeConnect Remote 840 is incompatible with that used on remote site ATM router.

The remote site profile may not be enabled. Check the Monitor> Remote Sites > Remote Sites Configured to see if the remote site status is ENABLED.

RFC 1483 and PPP network service run above ATM. If you select PPP and RFC 1483 is running on the remote site router, you will not be able to successfully access the remote network. Change the network service to agree with the remote router network service.

Enable the remote site profile.