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Conversion data main distributor ZEU (beendet)
From: 17.08.2020 / 14:00
To: 20.08.2020 / 12:00
In the course of the renewal of the backbone routers, from 17.08.2020 to
20.08.2020 with the participation of an external company a reconstruction in
Data main distributor ZEU. This is the case with
building connections to short interruptions of the data network including
VoIP telephony (where available). Longer interruptions occur in
data network in the ZEU itself as well as for some ISDN telephony campus connections.
The exact times and failures can be found in the list below.

Unfortunately, this measure is unavoidable and, in the hope that it will
few users, in the semester breaks or the
vacation time.

With the affected administrators of the Zeuner building a
coordination meeting was held.

Should they have a longer lasting breakdown on 17.08.2020 or 20.08.2020 in
one of the buildings below, please contact C.
Stain under HA: -34275 (christoph.fleck@tu-dresden.de).
If you experience a disturbance of the ISDN telephony on 18.08.2020 after 17:00 o'clock from
and the buildings below, please contact M.
Ewert under HA: -32896 (maik.ewert@tu-dresden.de).

Downtimes and affected buildings:
17.08.2020 14:00 - 18:00 hours: Site clearance/patching
short interruption for non-redundantly connected buildings -
redundantly developed buildings should continue to run without interruption
are not redundant: BUD, FRE, H06, H53 including
ISDN telephony, POT, SAC, SWS, TEX, VG1, ZET (part of PAU)
are redundant: BER, BSS, FAL, JAN, KUT, MOL, NEW,
NÜR, PAU (without ZET), W48; HÜL, SCH, TIL
18.08.2020 08:00 - 16:00 h: Conversion of cabinet and ZEU patch panels part 1
longer breakdowns (depending on effort and procedure) in
IT building network ZEU
18.08.2020 16:00 - 17:00 h: Conversion of the telephony patch field
Failure of the outgoing and incoming ISDN telephony to the
ISDN nodes BAR and APB
affected are BAR wings 1, 2, A (ISDN part)
and B as well as MIE (without FAM), HEI, CAVE, ZINT and the sports halls
19.08.2020 07:00 - 12:00 h: Conversion of cabinet and ZEU patch panels part 2
longer breakdowns (depending on effort and procedure) in
IT building network ZEU
20.08.2020 08:00 - 12:00 hrs: Swing back of the patches
short interruption for non-redundantly connected buildings -
redundantly developed buildings should continue to run without interruption
are not redundant: BUD, FRE, H06, H53 included.
ISDN telephony, POT, SAC, SWS, TEX, VG1, ZET (part of PAU)
are redundant: BER, BSS, FAL, JAN, KUT, MOL, NEW,
NÜR, PAU (without ZET), W48, HÜL, SCH, TIL

For further questions please contact M. Bünger at HA: -38437
(mathias.buenger@tu-dresden.de) will be happy to assist you.

Please inform the employees in your
Area of responsibility.

The ZIH thanks you for your understanding.


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