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kyberna AG is hiring a «IT-System-Engineer Network & Datacenter (m/w)» in Vaduz
by Marco Fretz 01 Jul '11

01 Jul '11

Hi, kyberna AG is hiring a «IT-System-Engineer Network & Datacenter (m/w)», Office in Vaduz Liechtenstein. http://www.kyberna.com/no_cache/kyberna-allgemein/aktuelles/aktuelles-singl… (German only) regards Marco

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DENOG 3 - Call for Participation and Papers
by Marcus Stoegbauer 28 Jun '11

28 Jun '11

DENOG 3 - Call for Participation and Papers The third meeting of the German Network Operators Group (DENOG) will be held in Frankfurt, Germany on the 20th of October 2011. We are pleased to hereby invite applications for presentations or lightning talks to be held at this event. General Information =================== DENOG is a community for professionals within Germany who are operating, designing or researching the Internet. It provides a technical forum where those working on, with and for the Internet can come together to solve problems with every aspect of their (net)work. The meeting is designed to provide an opportunity for the exchange of information among network operators, engineers, researchers and other professionals close to the network community. More information about DENOG (in German) can be found at http://www.denog.de/ Information about the meeting will be published at http://www.denog.de/meetings/ Meeting Countdown ================= What When ------------------------------------------------------ Publication of Call for Papers June 28th, 2011 Deadline for all submissions August 22th, 2011 Publication of final programme September 3rd, 2011 Deadline for receipt of final slides October 13th, 2011 Meeting Day October 20th, 2011 Topics for Presentations/Talks ============================== The day will be divided into several sessions. The number and length of presentations per session is not fixed, although due to time constraints we would prefer the length of the presentations to be between 10 to 30 minutes. However proposals whose subject fall outside of the topics below are also welcome; please do not hesitate to submit them. Lightning Talks --------------- In addition to the topics mentioned below we will reserve slots for lightning talks, which consist of a few slides and will not last longer than 5 minutes. Lightning talks can be submitted until October 13th, with the deadline for submission of the corresponding slides being October 19th. Topic #1: Power Efficiency in Networks --------------------------------------- For operators of networks and data centres of any size power efficiency has become more important. Servers and network gear with high power consumption are expensive because of high operating and cooling power costs; also in many places supplying more power into the location is no longer possible. How are you dealing with power problems in your environment? How do you efficiently cool a rack/a room/a datacenter? Can a migration to VoIP help you save power? Topic #2: Social Networks, Cloud Services and Information Security ------------------------------------------------------------------ Social Networks are an essential working tool for networkers and cloud services are also becoming increasingly popular. The security of your information and data in these networks is a crucial aspect which we want to discuss in this session. Topic #3: Peering ------------------ Everything about your peering experience. Why are you doing it? How are you doing it? Have you written any useful tools which others might find interesting? Topic #4: ISP BOF ----------------- "All things ISP". From Network/SLA Management (for or against it), abuse handling and log systems to data centre layout and planning (including power and cooling), everything that is interesting to you as an ISP can be presented or discussed within this topic. Language of Slides and Talks ============================ To appeal to an international audience we ask you to produce your slides in English, but the spoken language of the presentation itself can be either German or English. Submission Guidelines ===================== All submissions must have a strong technical bias and must not be solely promotional for your employer. Please remember that your presentations should be suitable for a target audience of technicians from varied backgrounds, working for companies whose sizes may vary considerably. To submit a proposal for a presentation, we request that you provide the following information as plain text or PDF format to <denog-pc(a)denog.de>: * the name of the presenter (and if applicable your affiliation) * a working email address * the name and number of the topic which will contain the presentation * the title of the presentation * its expected length (in minutes) * the preferred spoken language for the presentation * a short abstract of the presentation (not more than 200 words) We also welcome suggestions for specific presentations which you feel would be valuable to the DENOG community. Please be aware that your presentation will be published on the DENOG website after the event.

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Re: [swinog] Open job: network engineer
by Felix Kugler 22 Jun '11

22 Jun '11

Dear SwiNOGers, SWITCH is looking for an network engineer. His main responsibilities will be infrastructure projects to extend our fiber optic backbone network and the support of our optical transmission systems. We are looking for someone with experience to manage projects and willing to use the English and French language regularly (besides German of course) to communicate with vendors, providers and our customers. More information at the bottom of the page http://www.switch.ch/de/about/jobs/index.html Please feel free to contact me offline for more details. Best regards, Felix Kugler SWITCH

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Bluewin Mailserver Problems?
by Mike Kellenberger 17 Jun '11

17 Jun '11

Our queue is filling up with mails that cannot be sent to Bluewin recipients since 12:50... SYSTEM [1A64] 15:27:21 Client session Could not connect to 'mxzhb.bluewin.ch(195.186.18.144)' SYSTEM [1A64] 15:27:21 Client session Connecting to 'mxzhh.bluewin.ch' SYSTEM [1FE0] 15:27:24 Client session Could not connect to 'mxzhh.bluewin.ch(195.186.19.144)' anybody else seeing problems? Cheers, Mike -- Mike Kellenberger | Escapenet GmbH www.escapenet.ch +41 52 235 0700/04 Skype mikek70atwork

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Journalistic nonsens
by roger＠mgz.ch 08 Jun '11

08 Jun '11

once more, confusion for the public ;) http://www.welt.de/wirtschaft/webwelt/article13415532/Der-Tag-an-dem-das-In… nummeriert-wird.html Roger MGZ Online Networking - Telecomunication - Radio Roger Schmid Delmiro Leao,21A Renato Souza Pinto1 Bairo: Cidade Nova 1 69090-640 Manaus Swiss: +41 32 511 0858 Brazil: +55 92 38774352 Cell: +55 92 81691488

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Re: [swinog] Experience with 6rd Hardware
by Oliver Schad 06 Jun '11

06 Jun '11

Am Monday 06 June 2011 schrieb mir Adrian Kägi: > Thx for your replies! Wow! > I see, there are tons of vendors! > But when they support IPv6 or 6to4 IP6 Tunnel and so on... does they > support the 6rd concept? 6to4 and 6rd are not the same and are not compatible. 6to4 has a given prefix while 6rd uses a prefix from the ISP to circumvent the case that a IPv6 packet which should be received by a 6to4 host never traverse a 6to4- gateway and so will never enter the IPv4 net. In this case the packet will never reach the 6to4 host. There is no way to guarantee that a 6to4 gateway will ever traversed so this indeed a big weakness of 6to4. Regards Oli

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Re: [swinog] Experience with 6rd Hardware
by Guazzoni Daniele, CH 06 Jun '11

06 Jun '11

Get an ISP who can provide native IPv6 so you don't have to deal with "sort of IPv6" like 6rd. The layer-2 network can transport it, the DLSAM & Co. can handle it, so why 6rd and not a /48 (or whatever prefix size) ? My 2 cts... Daniele -----Original Message----- From: swinog-bounces(a)lists.swinog.ch [mailto:swinog-bounces@lists.swinog.ch] On Behalf Of Adrian Kägi Sent: Monday, June 06, 2011 9:58 AM To: swinog(a)lists.swinog.ch Subject: [swinog] Experience with 6rd Hardware Hy List Does anybody have experience with 6rd capable soho hardware? Which manufacturer does already support 6rd? E.g. Fritzbox... Freundliche Grüsse Adrian Kägi System Engineering Teamleiter ZAPP AG Bahnhofstr. 28, 3076 Worb Telefon +41 31 710 34 23 Fax +41 31 710 34 25 adrian.kaegi(a)medianet.ch http://www.zapp.ch Surfen ohne Grenzen _______________________________________________ swinog mailing list swinog(a)lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog "This e-mail, any associated files and the information contained in them are confidential and is intended for the addressee(s) only. If you have received this message in error please notify the originator and delete the email immediately. The unauthorised use, disclosure, copying or alteration of this message is strictly forbidden. E-mails to and from the company are monitored for operational reasons and in accordance with lawful business practices. Any opinions expressed are those of the individual and do not necessarily represent the views of the company. The company does not conclude contracts by email and all negotiations are subject to contract. We make every effort to maintain our network free from computer viruses but accept no responsibility for any viruses which might be transferred by this e-mail."

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Re: [swinog] Experience with 6rd Hardware
by Mathias Seiler 06 Jun '11

06 Jun '11

On 6 Jun 2011, at 13:48, Adrian Kägi wrote: > Hy list > > Thx for your replies! Wow! > I see, there are tons of vendors! > But when they support IPv6 or 6to4 IP6 Tunnel and so on... does they support > the 6rd concept? Not necessarily. IMHO it's the same encapsulation (type 41, which has to be allowed by the firewall) but the addressing is another story. 6rd is an extension to 6to4 with the notable difference of not having a publicly available anycast relay out there (controlled by any random entity). The relay is operated by the ISP instead. Have a look at my IOS config for this (the relevant bits, firewall config and crypto maps removed): ipv6 general-prefix 6RD-SWISSCOM 6rd Tunnel6 interface Tunnel6 description Swisscom 6rd Tunnel no ip address no ip redirects ipv6 enable ipv6 mtu 1480 tunnel source Vlan2 tunnel mode ipv6ip 6rd tunnel 6rd prefix 2A02:1200::/28 tunnel 6rd br 164.128.155.23 ! interface Vlan1 ip address 192.168.23.1 255.255.255.0 ip nat inside ip virtual-reassembly in ipv6 address 6RD-SWISSCOM ::1:0:0:0:1/64 ipv6 enable ! ipv6 route ::/0 Tunnel6 2A02:120A:4809:B170:: The BR's address is subject to change, I think. Vlan2 is the interface facing Swisscom. I've got large part of the config from here: http://labs.swisscom.ch/en/news/ipv6-sneak-preview Cheers! - Mathias > > Cheers Adrian > > -----Ursprüngliche Nachricht----- > Von: swinog-bounces(a)lists.swinog.ch [mailto:swinog-bounces@lists.swinog.ch] > Im Auftrag von Adrian Kägi > Gesendet: Montag, 6. Juni 2011 09:58 > An: swinog(a)lists.swinog.ch > Betreff: [swinog] Experience with 6rd Hardware > > Hy List > > Does anybody have experience with 6rd capable soho hardware? > Which manufacturer does already support 6rd? > > E.g. Fritzbox... > > Freundliche Grüsse > > Adrian Kägi > System Engineering > Teamleiter > > ZAPP AG > Bahnhofstr. 28, 3076 Worb > Telefon +41 31 710 34 23 > Fax +41 31 710 34 25 > adrian.kaegi(a)medianet.ch > http://www.zapp.ch > > Surfen ohne Grenzen > > > > > > _______________________________________________ > swinog mailing list > swinog(a)lists.swinog.ch > http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog > > > > _______________________________________________ > swinog mailing list > swinog(a)lists.swinog.ch > http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog Mathias Seiler MiroNet GmbH, Strassburgerallee 86, CH-4055 Basel T +41 61 201 30 90, F +41 61 201 30 99 mathias.seiler(a)mironet.ch www.mironet.ch

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Re: [swinog] Experience with 6rd Hardware
by Adrian Kägi 06 Jun '11

06 Jun '11

Hy list Thx for your replies! Wow! I see, there are tons of vendors! But when they support IPv6 or 6to4 IP6 Tunnel and so on... does they support the 6rd concept? Cheers Adrian -----Ursprüngliche Nachricht----- Von: swinog-bounces(a)lists.swinog.ch [mailto:swinog-bounces@lists.swinog.ch] Im Auftrag von Adrian Kägi Gesendet: Montag, 6. Juni 2011 09:58 An: swinog(a)lists.swinog.ch Betreff: [swinog] Experience with 6rd Hardware Hy List Does anybody have experience with 6rd capable soho hardware? Which manufacturer does already support 6rd? E.g. Fritzbox... Freundliche Grüsse Adrian Kägi System Engineering Teamleiter ZAPP AG Bahnhofstr. 28, 3076 Worb Telefon +41 31 710 34 23 Fax +41 31 710 34 25 adrian.kaegi(a)medianet.ch http://www.zapp.ch Surfen ohne Grenzen _______________________________________________ swinog mailing list swinog(a)lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog

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Re: [swinog] Experience with 6rd Hardware
by Guillaume Leclanche 06 Jun '11

06 Jun '11

2011/6/6 Adrian Kägi <adrian.kaegi(a)medianet.ch>: > > Im looking for H/W like Netgear,Linksys and so on... > A Linux router would do the job. 6rd is supported since 2.6.33. So probably any openwrt-based router would support it as well. Guillaume

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