ODTR: allready tried to cross the fibres on one side...?
Fründlechi Grüess Martin Fischer (unterwegs)
Am 04.12.2013 um 12:00 schrieb swinog-requ...@lists.swinog.ch:
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> Today's Topics:
>
> 1. Anyone round Zurich with an OTDR and a little bit of time?
> (Andre Timmermann)
> 2. Re: Anyone round Zurich with an OTDR and a little bit of
> time? (Roman Hochuli)
> 3. Re: Anyone round Zurich with an OTDR and a little bit of
> time? (Fredy Kuenzler)
> 4. Peering swisscom<>init7 (Martin Fischer)
>
>
> --
>
> Message: 1
> Date: Tue, 03 Dec 2013 13:53:22 +0100
> From: Andre Timmermann
> To: swi...@swinog.ch
> Subject: [swinog] Anyone round Zurich with an OTDR and a little bit of
>time?
> Message-ID: <1386075202.3720.24.camel@andre-ThinkPad-X1-Carbon>
> Content-Type: text/plain; charset="UTF-8"
>
> Hi List
>
> I'm trying to debug a fiber connection between two datacenters in
> Zurich. Unfortunately the other companies involved are not very
> responsive. And please bear with me, I am not a network engineer, I am
> just the poor guy who got this thingie on his desk...
>
> Here is what I am trying to achieve:
>
> In each datacenter we got an Arista DCS-7050T-52 with each an SFP
> 1000BASE-LX which supports up to 10km links on single-mode and 550m on
> multi-mode fiber.
>
> We got a 1Gbps "dedicated Layer2 Connection incl. Managed Switch" from
> Init7. As far as I know, they are using Sunrise as partner to provide
> the connection. We are connecting to a SMF with 1310nm.
>
> If I put everything together, I still see a "notconnect" on the
> switchport.
> Unfortunately the "Platin" support seems to be more like "Bronze", we do
> not get a proper response right now.
>
> Currently I can't tell if there is something wrong within our setup or
> within the setup of our provider.
>
> I would like to get a third party with a proper testing device (and more
> experience than me) to meet me in the datacenter(s) and help me to find
> evidence what the heck is going on.
>
> Best regards,
> Andre Timmermann
>
> --
> local.ch AG
> Konradstrasse 12/14
> CH-8005 Z?rich
>
>
>
>
> --
>
> Message: 2
> Date: Tue, 03 Dec 2013 15:03:24 +0100
> From: Roman Hochuli
> To: Andre Timmermann
> Cc: "swi...@swinog.ch"
> Subject: Re: [swinog] Anyone round Zurich with an OTDR and a little
>bit of time?
> Message-ID: <529de4ac.5030...@nexellent.ch>
> Content-Type: text/plain; charset=UTF-8
>
> Hello Andr?
>
>> I'm trying to debug a fiber connection between two datacenters in
>> Zurich.
>>
>> We got a 1Gbps "dedicated Layer2 Connection incl. Managed Switch" from
>> Init7.
>
> As a first step you probably want to fact check if you have a
> "darkfibre", which might be measured with a power meter and/or OTDR, or
> if you have a layer-2 service as you worte above.
>
> A layer-2 service means there is some active gear (usually from your
> service provider) in between you and the physical fibre between the
> datacenters which they manage and therefore you can not optically
> measure the line as a whole.
>
>> If I put everything together, I still see a "notconnect" on the
>> switchport.
>
> As a simple test: see if you see have no light (down/down) at both ends
> of your connection. My guess: it's only at one end and you most probably
> deal with a defective optic (GBIC/SFP) at some point...
>
> Bottom line: most probably you will have to deal with your service
> provider.
>
> Good luck.
>
> --
> Best regards,
> Roman Hochuli
> Operations Manager
>
> nexellent ag
> Saegereistrasse 33
> CH-8152 Glattbrugg
>
> Phone: +41 44 872 20 00
> Fax: +41 44 872 20 01
> URL: www.nexellent.ch
> X-NCC-RegID: ch.nexellent
>
> Imagination is the one weapon in the war
> against reality.
>-- Jules de Gaultier
>
>
>
>
> --
>
> Message: 3
> Date: Tue, 03 Dec 2013 15:13:20 +0100
> From: Fredy Kuenzler
> To: Andre Timmermann , swi...@swinog.ch
> Subject: Re: [swinog] Anyone round Zurich with an OTDR and a little
>bit of time?
> Message-ID: <529de700.7070...@init7.net>
> Content-Type: text/plain; charset="utf-8"
>
> Andr?,
>
> We are investigating what went wrong. As far as I know this is a special
> case and we are reselling a simple darkfiber of Sunrise (very uncommon),
> and it seems that a ticket has been opened with Sunrise a while ago. As
> it's a
