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SpeedStream Dual USB/Ethernet Router User's Guide
Model 5667
Make sure the PC and target router are on the same IP subnetwork or the target router is reachable
through a router on your LAN. They can, however, be on different networks if IP routing is off.
Check Network TCP/IP properties under Windows 95 and the control panel of the TCP/IP driver
installed.
Troubleshooting: ATM Connectivity
The ATM physical layer provides a mechanism for monitoring cell delineation. The cell delineation
function allows the identification of cell boundaries in the payload. The emweb:EwSysModeCurrentLC;
software monitors Out of Cell Delineation (OCD) alarms which indicate that there are errors found in the
payload. If the OCD condition persists for greater than 2.5 seconds, it will cause the DSL line to retrain.
You can test the health of the ATM link by manually sending Operations and Maintenance (OAM) cells
over a specified virtual connection. This command requires the specification of:
OAM loopback cell type - either F4 or F5
Transmit over a single LAN segment (one hop) or end-to-end
VPI/VCI number of connection to transmit OAM cell over
The response section of the web page will indicate if an OAM reply has been received for the transmitted
OAM cell.
Login Password Problems
You have been prompted for the login password and received the following message: Login Password is
invalid.
Type the correct password and press enter. Remember that the password is case-sensitive. If the
password is admin, check that you are entering it in lowercase and that the Caps key is not active.
If you have forgotten the password, you must reset the login password.
DSL Line Training
If the DSL line is retraining frequently, it may be that there are errors in the ATM traffic that is causing
out-of-cell delineation alarms. If there is an OCD alarm state for more than 2.5 seconds, the DSL line will
retrain.
The DSL LED on the front of the router will indicate green when the DSL line has been operational for
10 seconds.
Check the DSL Status page for details.
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Table of Contents
Troubleshooting
