Temporary Suspension of Use due to Network Outage of Backbone Network

The backbone network may be shut down for about 10 minutes due to maintenance from 11:00 to 12:00 on Sunday, September 26, 2021.

Network Outage due to Maintenance of Backbone Network
https://www.cc.tsukuba.ac.jp/wp_e/network-outage-due-to-maintenance-of-backbone-network-%ef%bc%882021-09-26%ef%bc%89/

As a result, network services (including remote desktop, SSH server,
Web server services, and mail sending/receiving) may not be available on the Zengaku Computer System during this time period. Please avoid using the Zengaku Computer System during this time.