US EPA Environmental Response Team
User Manual For
Viper - Smart Gateway
ERT Support: 800-999-6990
Page 11
Troubleshooting Remote Desktop Connection to the Smart Gateway
1. Can’t connect via Remote Desktop Connection from within the EPAERT1 WiFi network:
If you can’t use Remote Desktop Connection locally to access the Smart Gateway Laptop from a computer
or mobile device connected to the EPAERT1 WiFi network, you have two options:
Connect an external (HDMI) monitor, USB keyboard and USB mouse to the ports on the back of the
Smart Gateway
Open the Gateway and use the touch screen monitor.
If you are able to connect to the Internal laptop using one of the two options above, follow the steps below
to verify that the internal Smart Gateway Laptop has the correct IP Address (192.168.4.4). If you cannot
access the Smart Gateway at all, please contact ERTSupport.
Check the IP Address of the Smart Gateway Laptop
:
There is an IP Address Reservation in the Cradlepoint which is supposed to maintain the IP Address of the
laptop. By default, the laptop IP Address should be 192.168.4.4. The steps below illustrate how to check
the IP Address of the internal Smart Gateway Laptop.
On the Smart Gateway Laptop:
To see the Smart Gateway Laptop’s IP
Address
Click the search icon and type
CMD and press enter to
open a
command prompt
Type
‘IPCONFIG /all’
and press
enter
Look under the Ethernet Adapter
section for the
lpv4 Address
and
make note of what that says
Also, under the Ethernet Adapter
section, make note of the
Physical
Address
Follow the steps in this guide to correct the IP Address if it is NOT 192.168.4.4:
https://response.epa.gov/sites/5033/files/Correcting_A_Smart_Gateway_Laptop_IP_Address.pdf
Check the IP Address Reservation on the Smart Gateway Cradlepoint:
To see the IP Reservation:
On the Smart Gateway Laptop, open a browser and
type 192.168.4.1 to
access the Cradlepoint Router
Contact
to obtain the
password
Navigate to ‘
Networking’ – ‘Local Networks’ –
‘DHCP Server’
There should be a Reservation for the Smart
Gateway Laptop. The reservation’s
hardware
address
should
match
the Smart Gateway Laptop’s
physical address and
the IP Address should
match
the Smart Gateway’s IP Address