SINET Network Maintenance Information

Due to the maintenance of SINET6, there will be an impact on Keio's network traffic as follows.
We apologize for any inconvenience this may cause, and ask for your understanding and cooperation.

Impacts

(1) Monday, May 27, 2024, from 3:00a.m. to 4:30a.m.

Tsuruoka Town Campus (TTCK)

During the above time, there is a possibility of unstable communication. (*)

For the following, communication breakdowns of up to two 15-minute periods will occur within the above time frame.

- WiFi access (eduroam/keiomobile2)

(2)Monday, June 10, 2024, from 4:30a.m. to 6:00a.m.

Osaka City Campus (KOCC)

During the above time, there will be a communication interruptions of up to two 15-minute periods.

(3) Saturday, June 15, 2024, from 3:00a.m. to 4:30a.m.

All Campuses

During the above time, there is a possibility of unstable communication across all campuses several times. (*)

For the following, communication breakdowns of up to two 15-minute periods will occur within the above time frame.

- WiFi access (eduroam) on all campuses

- Tonomachi Town Campus

- Tsuruoka Town Campus (TTCK)

- Osaka City Campus (KOCC)

- Use of Certificate Issuance Service at convenience stores

(4) Saturday, June 22, 2024, from 4:30a.m. to 6:00a.m.

All Campuses

During the above time, there is a possibility of unstable communication on all campuses several times. (*)

For the following, communication breakdowns of up to two 15-minute periods will occur within the above time frame.

- Tonomachi Town Campus

(*) Side effects of network instability

- Slow response when browsing web pages, websites, etc.

- Interruption or sudden drop in video or sound quality during remote conferencing (Zoom etc.)