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This article is intended for anyone

...

using the Cisco AnyConnect VPN.

What is Split Tunneling?

VPN split tunneling lets you send some of your application or device traffic through an encrypted VPN, while other applications or devices have direct access to the internet. This is particularly useful if you want to benefit from services that perform best when your location is known while also enjoying secure access to potentially sensitive communications and data. 

What

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Does This Mean for Me?

Split - tunneling will send traffic meant for any university University IP address , – both the public addresses (137.99.x.x) and private addresses (10.x.x.x) , – used on campus.  Most Most of the time, this will not interfere with your ability to use non-university University resources. However, however a few Internet providers and businesses might be using the same parts of private IP space in such a way that Split-split tunneling will not allow you access to your local/non-university University resources. 

If, when you are connected to the VPN, you discover that you have lost access to local resources on your home network, such as a network printer, this may be an indication of having an overlap with an existing UConn network. Since UConn cannot practically adjust is our use of 10 space that overlaps with your home network. You will need to , you must coordinate with your ISP (this may be Comcast, Cox, Spectrum, etc.) to move your home network to something that is more in - line with best practices . (e.g., 192.168.x.x). You can use the following commands on Windows/Mac to determine if you have an IP in the 10.x.x.x space:

Windows Computers

If you are on a Windows computer you can , open a Command Prompt or Windows PowerShell by right clicking on the start button and selecting one of the two previously mentioned options. In the window you can , type “ipconfig” ipconfig and press [enter]. You will probably see something very similar to :

...

this.

Command Prompt Output

Ethernet adapter Ethernet:

    Connection-specific DNS Suffix  . : hsd1.ct.comcast.net
    IPv4 Address. . . . . . . . . . . : 10.0.0.225
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 10.0.0.1

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Mac Computers

If you're on a Mac computer, open up Open Terminal by going to Finder > Applications > Utilities > Terminal. In the window that opens, type in 'ifconfig' and press [enter]. You should will see something similar to below:

...

this.

Terminal Output

en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
	options=400<CHANNEL_IO>
	ether 3c:22:fb:be:63:00
	inet6 fe80::416:a486:685:ed95%en0 prefixlen 64 secured scopeid 0x6
	inet 10.0.0.150225 netmask 0xffffff00 broadcast 10.0.0.255
	nd6 options=201<PERFORMNUD,DAD>
	media: autoselect
	status: active

What

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Can I do?

This means that your network does, in fact, overlap with a UConn network. You will have two options.

1. You will need to disconnect

   Disconnect from the VPN to access local network resources, such as printers, scanners, and NAS devices.

2. Contact

   you

   your ISP and ask them to help you move your local network to a 192.168.

   ???.??? Network

   xxx.xxx network.

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