SMC Networks SMC7004VBR V.2 - Manual (Page 51)

Troubleshooting
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3. Then type ipconfig/renew.
Once you are able to get a valid IP address from the Barricade™
Router, then you can now access the web-based Administration
pages.
If you still are not getting an IP address from the Barricade™,
please reset the router as outlined in Getting to Know the
Barricade™ and follow the steps outlined in Troubleshooting
section again.
If you still cannot access the router once you have reset it,
please contact SMC Technical Support.