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How to Connect

eduroam setup guide for Sandbox members

RECOMMENDED
eduroam CAT (Auto Setup)

Use the eduroam CAT (Configuration Assistant Tool) to automatically configure your device. Supports Windows, macOS, iOS, and Android.

  • Go to cat.eduroam.org and search for Sandbox.
  • Download the installer for your operating system.
  • Run the installer and enter your account (username@sandbox.re.kr) and password when prompted.
  • Once installed, select eduroam from your Wi-Fi list to connect.
Go to cat.eduroam.org

This service is only available if your institution's administrator has registered with eduroam CAT.

cat.eduroam.org
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Institution
Sandbox
Institution found
Windows
macOS
iOS
Android
MANUAL
Manual Setup by OS
  1. 1Select eduroam from the Wi-Fi list.
  2. 2Set EAP method: PEAP, Phase 2: MSCHAPv2.
  3. 3Enable server certificate validation and select the CA for sandbox.re.kr.
  4. 4Username: username@sandbox.re.kr, then enter your password.
  1. 1Select eduroam from the Wi-Fi list.
  2. 2Username: username@sandbox.re.kr, then enter your password.
  3. 3In the certificate trust dialog, click Continue and trust the certificate.

Using the CAT tool handles certificate setup automatically.

  1. 1Go to Settings > Wi-Fi and select eduroam.
  2. 2Username: username@sandbox.re.kr, then enter your password.
  3. 3Tap Trust on the certificate verification screen.

iOS 15 and later: installing a CAT profile is recommended.

  1. 1Select eduroam from the Wi-Fi list.
  2. 2EAP method: PEAP, Phase 2: MSCHAPV2.
  3. 3CA certificate: select Use system certificates or import the downloaded certificate.
  4. 4Domain: sandbox.re.kr, Identity: username@sandbox.re.kr, then enter your password.

Android 11+: the domain field is required.

참고
Certificate Information

If you have the CA certificate installed in the OS trust store, no trust confirmation dialog will appear, and certificate renewals are handled automatically — no action needed.
If you set up manually without the CA certificate (TOFU), you must delete the Wi-Fi profile and reconnect when the server certificate expires.
TOFU (Trust On First Use): on first connection, the user manually inspects and trusts the server certificate.

CA Certificate
CNSandbox Research Institute eduroam Root CA
Valid2026-04-22 – 2036-04-19
SHA-256 33:59:DD:03:C1:8E:1A:F1:AD:7B:0E:6C:34:9F:D9:B2:F8:AF:B8:D3:F0:07:B6:D6:E5:A6:C6:42:05:48:4D:12
Download CA Certificate
Server Certificate (RADIUS)
CNSandbox Research Institute eduroam RADIUS
Valid2026-04-22 – 2028-04-21
SHA-256 AA:10:E9:6C:AA:EE:6B:15:05:E0:13:23:1D:1F:9F:8A:8D:11:19:B0:39:9F:F8:5D:29:83:3A:1B:39:CA:AB:B2
Download Server Certificate
REFERENCE
Account Details
Wi-Fi SSID
eduroam
Username
username@sandbox.re.kr
Password
Your institutional account password
EAP method
PEAP / TTLS
Inner auth
MSCHAPv2 / PAP