[Driftstörning] Re: [Driftstörning] Network maintenance 14/7 - 22/7

[Göran Bengtson]

On Mon, 7 Jul 2014, Göran Bengtson wrote:

> From: Göran Bengtson <goeran at chalmers.se>
> To: driftstorning at lists.chalmers.se
> Message-ID: <alpine.LRH.2.03.1407071209500.7940 at cdg.chalmers.se>
> Date: Mon, 7 Jul 2014 13:47:38 +0200
> Subject: [Driftstörning]  Network maintenance 14/7 - 22/7
> 
> We will upgrade the software on most of our core switches/routers.
> This will in most cases cause network downtime.
>
> The plan is as follows:
>
> o	On Monday July 14th.  core1-gw.chalmers.se. This will cause loss
> 	of redundancy to internet but will not cause any immediate service
> 	disruption.
>
> o	On Tuestday July 15th. core2-gw.chalmers.se. The same impact as for
> 	the previous router.
>
> o	On Wednesday July 16th. a-v-gw.chalmers.se. This will cause
> 	a network downtime of ca. 5 minutes for the Civil Engineerings
> 	and Architecture buildings.
>
> o	On Monday July 21th. ed-m-gw.chalmers.se followed by
> 	chl-gw.chalmers.se.
> 	The first will case a network downtime of ca. 5 minutes for the
> 	ED-building, AoS in the central administration building, Onsala
> 	Space Observatory (the department network, not the telescope 
> networks),
> 	the M-building, the HA-HC buildings, the M-departments in the
> 	Architechture building and the Student Union.
> 	The second will cause a a network downtime of ca. 5 minutes for
> 	the entire Campus Lindholmen,
>
> o	On Tuesday July 22nd. mc-a308-gw.chalmers.se followed by
> 	l-1119c-gw.chalmers.se.
> 	The first will case a network downtime for all physics
> 	and Chemistry departments and for MC2.
> 	The second till case a network downtime of ca. 5 minutes for
> 	the buildings at Vasa, Chalmersska huset, Hammarkullen, C3SE.
> 	CTP, Installationsteknik at SP. the Library.nd the mathematics 
> department.
>
> The maintenance will start ca. 17:00.  When more than one router/switch is
> involved, the maintenance for the second will start ca. 17:30.
> Other organisations than those mentioned above may be affected.
> Both Ethernet and WiFi are affected by the maintenance.
>
> 				/ Göran Bengtson
> 				  ITService/Nät

Maintenance successfully completed.

 			/ Göran Bengtson
 			  ITService Infrastruktur/Nät/CDG