[Driftstörning] Re: [Driftstörning] Network maintenance July 9-11.

[Göran Bengtson]

On Mon, 1 Jul 2013, Göran Bengtson wrote:

> From: Göran Bengtson <goeran at chalmers.se>
> To: driftstorning at lists.chalmers.se
> Message-ID: <alpine.LRH.2.02.1307011148240.8462 at olydig.cdg.chalmers.se>
> Date: Mon, 1 Jul 2013 12:16:56 +0200
> Subject: [Driftstörning]  Network maintenance July 9-11.
> 
> We will upgrade the software in most of our routers during week 28.

These network maintenances/router upgrades are now completed.

>
> On Tuesday July 9th, between 16:30 and 17:30,
> 	Two central core routers will be upgraded. These are redundant and
> 	the impact on the network connectivity is expected to be  be short,
> 	1-3 seconds at the most.
>
> On Wednesday July 10th at 16:30 the router ed-m-gw will be upgraded.
> 	This will cause a network downtime of 5-10 minutes for:
>
> 	The EDIT buildings.
> 	The M-buildings (including the M department in an A building).
> 	AoS in CA and Student union buildings, Johanneberg Södra and in
> 	the A building.
> 	Onsala Space Observatory (the department network).
> 	The student union.
>
> On Wednesday July 10th at 17:30 the router chl-gw will be upgraded.
> 	This will cause a network downtime of 5-10 minutes for
> 	the entire campus Lindholmen.
>
> Om Thursday July 11 at 16:30 the router a-v-gw will be upgraded.
> 	This will cause a network downtime of 5-10 minutes for
> 	the A buildings and the V buildings.
>
> Om Thursday July 11 at 17:30 the router l-1119c-gw will be upgraded.
> 	This will cause a network downtime of 5-10 minutes for:
> 	MV-building (Mathematical sciences),
> 	Chalmersska huset.
> 	The main library
> 	The Vasa campus.
> 	Chalmers teknikpark.
> 	Campus hammarkullen.
> 	C3SE.
>
> All maintenance except the first one will also affect NOMAD Ethernet and the
> WiFi services (NOMAD and eduroam) in the buildings.
>
> 				/ Göran Bengtson
> 				  ITSInfrastructure

 			/ Göran Bengtson
 			  ITService Infrastruktur/Nät/CDG