Maintenance: Perimeter-firewall
in All, Network, Operating news

Message-Id: 202202142111
Time: Thursday 17.2., 6 pm to 10 pm
Affected: network access at Uni, UMG, GWDG; WLAN at Uni-Campus; GWDG services
Impact: multiple disconnects of some connections

Two central network devices are being exchanged for more powerful ones, with [...]



Maintenance work finished: Perimeter firewall
in Network, Security

Message-Id: 202201061959
Time: 06.01.2022 17:00-20:00
Affected: Connections to and from GÖNET
Impact: Cancellation of individual connections

Due to problems with disconnections during the last failover of the the last failover of the firewall cluster, additional changes of the active cluster [...]


Maintenance work: Perimeter firewall
in All, Network, Operating news

Message-Id: 202201051340
Time: 06.01.2022 17:00-20:00
Affected: Connections to and from GÖNET
Impact: Cancellation of individual connections

Due to problems with disconnections during the last failover of the the last failover of the firewall cluster, additional changes of the active
of [...]



Maintenance: Central switch Forst-department
in Network, Operating news

Message-Id: 202112061638
Time: Thursday, December 09, 5pm to 6pm
Affected: GÖNET around the Büsgenweg
Impact: several short disconnects of the network connection; also applies to WLAN and telephones

Due to the move of the GWDG compute center to the new [...]



Information: Paketverluste auf der Außenanbindung
in Network, Operating news

Meldungsnummer: 202111011705
Zeitraum: Montag, 01.11.2021, 14:30 bis 15:10 Uhr
Betroffen: Traffic aus dem Internet/DFN ins GÖNET
Auswirkungen: Paketverluste

Aufgrund einer Überlastung unserer Außenanbindung zum DFN kam es zwischen 14:30 und 15:10 zu Paketverlusten aus dem DFN-Netz ins GÖNET. [...]





Maintenance completed: Primary DNS resolver
in Network, Operating news

Message-Id: 202107221821
Time: 22nd July 2021, 5 to 6 PM
Affected: Primary DNS gwdu01.gwdg.de (134.76.10.46)
Impact: No resolving of DNS requests by the primary DNS resolver for 1 min and no new DHCP leases.

The maintenance work has been successfully [...]



Information: Network disturbances
in All, Network, Operating news

Message-Id: 202105281001
Time: 05.28.2021, 09:50 until 10:00 AM
Affected: GWDG services for users outside GÖNET/ in front of the perimeter firewall and GÖNET behind the perimeter firewall (mainly university institutes, GWDG RZ, Studentenwerk)
Impact: Heavy disturbance, mostly total failure

At [...]