質問集（FAQ）

VPN is called "Virtual Private Network" and is a method of connecting to the campus network via the Internet.

For the VPN connection method, we have prepared a manual for each environment on the following page.
Plese refer to here and check if there are any mistakes in the operation.

About SRAS VPN
https://web.sic.shibaura-it.ac.jp/SRAS_VPN

From this year, we are introducing a new method called Global Protect.

About SRAS VPN（Virtual Private Network）.

If you are not using this, please try it.

 
If you are using a wireless LAN on Windows 10,
It has been reported that the network connection becomes unstable due to the power saving settings of Windows.
"Windows 10 wireless power saving settings"
Please search Google with keywords such as and consider changing the setting.

Also, it may become stable due to a reboot.

I suspect that the problem is that IPv6 is enabled.

From the following URL, after downloading "Disable IPv6 on non-tunnel interface (excluding loopback) and IPv6 tunnel interface", execute it, restart Windows, and then try again with VPN connection. Please try it.

https://support.microsoft.com/ja-jp/help/929852/how-to-disable-ipv6-or-its-components-in-windows

SRASVPNhelp-win10.pdf　Please refer to here.

There is a possibility that VPN is restricted on your network, or that the VPN regulation by the Chinese government has been strengthened and connection is not possible.
https://lb-hikaku.com/post-709/

You may be able to connect using the SIM roaming service of a telecommunications company in Japan. Some on-campus systems can be accessed without using a VPN.