Branch Network/AT&T Diagram

As of fall 2025, all offices are on the SD-WAN with AT&T.  This includes a cellular backup in the event that the main internet connection goes down.  

The VMWare Velocloud is the white rectangular box, usually in the network rack (when space allows) or on a nearby shelf, which basically serves as the new router at all sites.

Port 5 on the Velocloud box is the hard wire connection (cable goes into the Ciena).  Port 3 is the wireless connection (cable goes into the top blue port of the cylindrical AT&T device).

When the hard wire connection goes down the Velocloud box should automatically re-route to the wireless device, and the branch/office will not notice an outage.  This can be checked/confirmed in the SD-WAN portal.

General Troubleshooting

• If the branch/office reports a complete internet outage, confirm power to both the Velocloud and wireless devices.
• Also, IT Engineering can start a ticket with AT&T and determine if there is an outage.
• If no area outage reported and power is confirmed to both the Velocloud and wireless devices, IT Engineering may suggest the following:
  • Pull the cables out of port 3 and/or 5 from the Velocloud, wait 30 seconds, and plug back in.  This has fixed connectivity at the Crocker branch in the past.
  • Reboot the Velocloud first, wait 5-10 minutes, then check internet connectivity.  If still nothing, reboot the wireless device as well, wait 5-10 minutes, then check again.  If still nothing, it may be an ISP outage.
    • You can also reboot the wireless device first - it may come up faster and at least get the branch back online via backup.  There is also no harm in rebooting both devices at once to save the waiting time.

FANCY FLOW CHART/DIAGRAM COMING SOON!