Re: 100G over 100 km of dark fiber

Hi Jared, Easiest thing would be breaking into sub-100G channels (e.g. 4x 25G) and using DWDM optics + Amp + Compensation + Pre-Amp to transport it across the 100km. Same parts for all configs: *) 1x Amplifier => 1 slot *) 1x 100km dispersion compensation => separate 1U *) 1x Pre-Amplifier => 1 s

Anyone using Sintai?

Dear folks, is anyone using gear from Sintai? Happy to hear some feedback regarding stability and/or operation issues. Off-list replies are welcome. thanks & best regards Jürgen

AW: L2VPN/L2transport, Cumulus Linux & hardware suggestion

nce with what they call "VXLAN P2P Pseudowire"? I can't even find a config example on the net :( thanks & best regards Jürgen -Ursprüngliche Nachricht- Von: Adam Thompson [mailto:athomp...@merlin.mb.ca] Gesendet: Dienstag, 7. Juli 2020 23:09 An: Jürgen Jari

L2VPN/L2transport, Cumulus Linux & hardware suggestion

Dear folks, have anyone already tried to run VXLAN/EVPN + “Bridge Layer 2 Protocol Tunneling” on Cumulus Linux as an replacement for classic MPLS L2VPN/VPWS (“xconnect”, l2circuit, VLL) ? I need to provide transparent Ethernet P2P virtual leased lines to my customers and these have to support stu

Re: Marseille Colocation

+1 for the IX in Marseille! Cross-connect charges are always the same with IX: you need to buy the pre-cabling (see below) and afterwards you pay CC with MRC: Costs for pre-cabling from your rack to the MMR (NRC): 6 SMD pairs: 2.475,00 Eur 12 SMD pairs: 4.125,00 Eur 24 SMD pairs: 5.960,00 Eur Co

Netflix - wide ranges of wrongly blocked IP ranges

Dear list, is anyone else experiencing massive issues with Netflix caused by wrongly blocked IP ranges? Looks like Netflix started to block wide ranges of Colt’s IP assignments (EU & Switzerland). I’m in touch with ~400 affected customers which are no longer able to play any video on the w

Re: 1/2u 100g Metro-E Aggregation Switch

http://www.extremenetworks.com/wp-content/uploads/2014/10/ExtremeXOS_Feature _License_Requirements.pdf Page 18 - AFAIK there wasn’t THAT huge change on features since 2014 … Best, JJ

Re: Facebook more specific via Level3 ?

Hi Mike, I’m running some DNS on my own for a few hundred users from an private community project. But this issue is also affecting DNS from smaller/other ISPs which do NOT use any forwarder but the root DNS. Best regards Jürgen

AW: Facebook more specific via Level3 ?

Von: Radu-Adrian Feurdean [mailto:na...@radu-adrian.feurdean.net] Gesendet: Mittwoch, 22. März 2017 11:02 An: Jürgen Jaritsch ; Doug Porter ; nanog@nanog.org Betreff: Re: Facebook more specific via Level3 ? On Tue, Mar 21, 2017, at 20:38, Jürgen Jaritsch wrote: > I understand that FB i

AW: Facebook more specific via Level3 ?

guill...@reservetele.com] Gesendet: Dienstag, 21. März 2017 20:38 An: Jürgen Jaritsch ; nanog@nanog.org Betreff: RE: Facebook more specific via Level3 ? Are they replying with that subnet via dns when requests are being made? Luke Guillory Network Operations Manager Tel:985.536.121

AW: Facebook more specific via Level3 ?

6.0 3.1 Best regards Jürgen -Ursprüngliche Nachricht- Von: Doug Porter [mailto:d...@fb.com] Gesendet: Dienstag, 21. März 2017 18:41 An: Jürgen Jaritsch ; nanog@nanog.org Betreff: Re: Facebook more specific via Level3 ? > 31.13.70.0/24 > > This more specific is only vis

Re: Facebook more specific via Level3 ?

Hi, > This specific, and many others, are only announced to peers in the > metro they originate in. To receive this prefix directly you'll > need to peer with us in Los Angeles. the point is: Level3 is exporting this prefix to the EU since ~1 week … Telia is learning it from Level3 and they also

Facebook more specific via Level3 ?

Hi, is anyone else receiving Facebook’s /24 more specific from Level3 (AS3356)? 31.13.70.0/24 *[BGP/170] 1w5d 17:21:28, MED 0, localpref 100, from a.b.c.d AS path: 3356 32934 I, validation-state: unverified This more specific is only visible via AS3356 … Face

RE: Advertising rented IPv4 prefix from a different ASN.

Just create a more specific route obejct (for the /nn you plan to announce) at your RIR, ask the institute to sign a LOA and inform your upstreams. Announcing the more specific is nothing unusual. Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Tel

AW: NANOG67 - Tipping point of community and sponsor bashing?

x27;re even receiving their STP packets best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com Web: http://www.anexia-it.com Anschrift Haupt

AW: AW: AW: Verizon and Level3 DNS flush

> Altering routing and/or adding capacity/capabilities to the existing > infrastructure is generally better Yes ... but as mentioned in one of the off-list replies: the original DNS are from a 3rd party and they had no chance to expand resources ... best regards Jürgen Jaritsch H

AW: AW: Verizon and Level3 DNS flush

Hi Roland, the difference between old and new DNS are way more capacity and extra DDoS protection ... it IS expected behavior that traffic will switch over to the new DNS. best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-

AW: Verizon and Level3 DNS flush

to tell you the customers and/or project name but I guess many of you know them ... if you're reading Twitter or reddit you've probably recognized which global service is broken at the moment ... Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstl

Verizon and Level3 DNS flush

there. Please contact me off- or on-list! Thanks & best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com<mailto:jjarit...@anexia-it.com> Web: http://www

AW: Need BGP route check (UPDATE)

At least at this stage no special communities are visible but I don't know if HE removes existing communities. best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia

AW: Need BGP route check

best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com Web: http://www.anexia-it.com Anschrift Hauptsitz Klagenfurt: Feldkirchnerstraße 140, 9020 Klagenfurt Geschäftsf

AW: mpls switches

Hi, L2VPN works also pretty well with the Extremes (X670). Only one thing doesn't work: LACP BPDU forwarding for the customer. This is caused by the method how Extreme let you configure the L2VPN on those small boxes. best regards Jürgen Jaritsch Head of Network & Infrastructur

RE: Figuring out traceroute

Looks like the device is always las-b3 (Los Angeles, border 3). As far as I know Telia works with IS-IS and multiple load balanced links from each bb (backbone) router to each border router. Usually they don't deal with L2 in case of customer BGP downlinks. Jürgen Jaritsch Head of Ne

AW: Cogent - Google - HE Fun

ble, or chose not to peer with Google via IPv6, they are able to reach us through any of a large number of transit providers. For more information in how to peer directly with Google please visit https://peering.google.com <<<< best regards Jürgen Jaritsch Head of Network & Inf

RE: mrtg alternative

PRTG since years ... And smokeping for special things ... Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift Hauptsitz Klagen

Netflix spam after open connect appliance upgrade

contact me offlist. Thanks & best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com<mailto:jjarit...@anexia-it.com> Web: http://www.anexia-it.com<http://www

AW: AW: AW: Peering Exchange

Hi Dovid, Yes, vitamin B often helps. But it doesn't matter - if the transit provider doesn't support it on an official way you do net get an SLA for the communities. They could stop working from one day to another ... Jürgen Jaritsch Head of Network & Infrastr

AW: AW: Peering Exchange

y community ... one of the most famous is Hurricane Electric :( Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com Web: http://www.anexia-it.com Anschrift Haupt

AW: Programmable SFP+ Transcievers

need: they make it happen :). Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com Web: http://www.anexia-it.com Anschrift Hauptsitz Klagenfurt: Feldkirchnerst

RE: Arista optics

Go with Solid Optics (www.solid-optics.com). I can share a good sales contact offlist. Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexi

RE: route converge time

Route update via new policy could be more cpu intensive than dropping prefixes caused by session shutdown. Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web:

RE: route converge time

Hi, Why you not simply shut down the session upfront (before you turn down the link)? Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexi

AW: Uptick in spam

Hi, I added this two lines to our postfix header checks: /mike@sentex\.net/ DISCARD /jdenoy@jdlabs\.fr/ DISCARD Worked very well: # grep -i discard /var/log/mail.log | grep -iE "@jdlabs|@sentex" | wc -l 408 Best regards Jürgen Jaritsch Head of Network & Infrastr

AW: Cogent BGP Woes

Hi Justin, no issues in the past 6 months ... neither in Kiev nor in Dublin ... most of the time solved within 2-3 days. best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jj

AW: AW: AW: /27 the new /24

ters (which are nice of course - no question about that!) and I'm talking about customer access devices (not CEP!) at carrier grade networks. Boxes I'm talking about have at least a few hundred ports. I think it's very important what UBNT and MT does: they bring fresh wind at

AW: AW: /27 the new /24

ts. To get some easy numbers: take the discounted price (no one pays list prices ...) of an equipment and take this price x2 => that will be a realistic number to get the box onsite, up and running. It's not all the time something simple like a router with 20 patch cords :(. Best regards Jü

AW: AW: /27 the new /24

Hi, yeah, of course there are newer models ... I mentioned the older ones (from the past 3-5 years). There are also Cisco routers available that are able to handle more than 1 Mio routes - of course also from Juniper. Jürgen Jaritsch Head of Network & Infrastructure AN

RE: AW: /27 the new /24

As mentioned before: even the new SUP2T from Cisco is limited to 1Mio routes ... There are MANY other vendors with the same limitations: Juniper, Brocade, etc And the solt equipment is not the 99USD trash from the super market at the corner ... Jürgen Jaritsch Head of Network & Infrastruc

AW: AW: /27 the new /24

honest: I'm a big fan of this stuff (also Ubiquiti). But with this boxes you're not able to ran a stable enterprise class carrier network with >99,5% uptime. And that’s thei MAIN reason why "the old shit" is still online :). Hopefully my words explained my hard "

AW: /27 the new /24

> Stop using old shit. Sorry, but the truth is: you have no idea about how earning revenue works and you obviously also have no idea about carrier grade networks. Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax

AW: /27 the new /24

also at least a ton of vendors on the market with exactly the same limitation :(. best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com Web: http://www.anexia-it

AW: /27 the new /24

Hi, this would at least help to get rid of many old routing engines around the world :) ... or people would keep their "learn nothing smaller than /24" filters in place. Also an option - but not for companies who act as an IP transit provider. best regards Jürgen Jaritsch Head

RE: Prefix hijacking by AS20115

Cogent and Level3 will tell you that you are not their customer ...HE and XO will react. Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift Haupt

AW: Facebook invisible in Italy

Hi, also down for us (Austria & Germany) and the OVH network. Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: jjarit...@anexia-it.com Web: http://www.anexia-it.com A

AW: High latency/packetloss in nyc/nj for cogent/level3/zayo?

Surprise, surprise ... the cleaning staff stopped his worked and connected back in the correct cord ... Looks like everything went back to normal Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +

AW: High latency/packetloss in nyc/nj for cogent/level3/zayo?

10 169.4 169.4 169.4 169.4 0.0 Having this to almost every network located in NYC/NJ that is going through the said three carrier from many locations. On 04.09.2015 at 23:24 Jürgen Jaritsch wrote: > Hi, > > wer're working with Telia and Hurricane in NYC and we only see some latenc

AW: High latency/packetloss in nyc/nj for cogent/level3/zayo?

Hi, wer're working with Telia and Hurricane in NYC and we only see some latency flaps in the HE network flapping from 0.3 to ~15ms. Nothing really bad. No visible packet loss. Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH

AW: Branch Location Over The Internet

Patrick, which CCR did you test? Best regards -Ursprüngliche Nachricht- Von: NANOG [mailto:nanog-boun...@nanog.org] Im Auftrag von Patrick Cole Gesendet: Mittwoch, 12. August 2015 00:49 An: Josh Luthman Cc: NANOG list Betreff: Re: Branch Location Over The Internet Josh, Just an FYI

AW: Branch Location Over The Internet

be split up, transferred and aggregated on the other end. So your end-to-end communication will transport ANY MTU size you want (splitted up to your max transportable MTU size on the WAN side … eg MTU 1472, etc). Best regards Jürgen Jaritsch Head of Network & Infrastructure

RE: Branch Location Over The Internet

EoIP allows you to transport VRFs with BGP signaling Etc etc Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift Hauptsitz Klagen

AW: Mac compatible SFP+/XFP programmer

I can also suggest you the Multi-Fiber-Tool from Solid Optics: http://www.solid-optics.com/tools/multi-fiber-tool/so-multi-fiber-tool-id1768.html Works great but I've never tested it with an Mac ... MacOS is at least listed as supported. Best regards Jürgen Jaritsch Head of Ne

AW: Prefix-Hijack by AS7514

Wolfgang, it's unfair ... you do not have to deal with hardware routers :). Install AS_PATH ACL and prefix list on a Cisco router (e.g. with an RSP720-3CXL) and you'll run into lots of pain ... best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienst

AW: AW: Prefix-Hijack by AS7514

Hi, all affected prefixes starts with 37... no other prefixes from AS42473 are affected. Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexi

AW: AW: Prefix-Hijack by AS7514

Hi, we also sent them an mail, but their MX is not reachable for us :( best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift Haupt

AW: Prefix-Hijack by AS7514

We already informed AS2497 but I have no idea if they we'll cooperate. Best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift

Prefix-Hijack by AS7514

Hi, does anyone else see some prefix hijacks from AS7514? They started to announce some of our /24 Thanks & best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at&

AW: Level3 routing issue US west coast?

orted "solved" for the first issue they did nothing ... Other involved companies did nothing because of 100% incompetence ... It's simply frustrating .. :( Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +

AW: Level3 routing issue US west coast?

One the DDoS targets was PCCW and their ports were congested ... this was the official explanation we got. Lots of discussion starts from here Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-

AW: Level3 routing issue US west coast

80.0% 6 893.1 893.1 893.1 893.1 0.0 13. ??? Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift Haupt

AW: Level3 routing issue US west coast

Hi, No SLA broken cause A- and B-End were not directly our circuits ... but it helps a lot to place some new orders ... at other partners :). best regards Jürgen Jaritsch -Ursprüngliche Nachricht- Von: NANOG [mailto:nanog-boun...@nanog.org] Im Auftrag von Jens Hoffmann Gesendet

AW: Level3 routing issue US west coast

advised that updates for this event will be relayed hourly unless otherwise noted. ### best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Ansch

AW: Level3 routing issue US west coast

Hi, sitting here and watching the packet loss coming and going :(. It changes every 10-25min. Looks like an massive issue in San Jose - routers out there sometimes have an latency from 5-6 SECONDS ... best regards Jürgen Jaritsch Head of Network & Infrastructure AN

AW: Level3 routing issue US west coast

NOC will monitor services until the completion of multiple ongoing events in the region. A final update will be se ### best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at

Level3 routing issue US west coast

% 326 925.3 674.2 289.8 932.3 296.6 12. 61.250.89.2 72.9% 326 928.5 637.2 291.9 928.5 304.3 13. ??? best regards Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-50

AW: Core alignment fusion splicers

Hi, We do not have the new View-series but we're working with the IFS-10: http://www.innoinstrument.com/new/splicer/ifs10.php Easy to use. Works quite good under rough conditions. Not THAT expensive. Battery lifetime is ok. Best regards Jürgen Jaritsch Head of Network & Infra

RE: Anycast provider for SMTP?

I guess there is no real chance without conntrack ... I'll try to use something like LVS+mysql conntrack (no idea if this even exists ...) Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500

RE: AS4788 Telecom Malaysia major route leak?

They should verify the GBLX customer ports as well ... Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at Anschrift Hauptsitz Klagenfurt: Feldkirchnerstraße

RE: Hardware monitoring

sum we're >running <5 tools to monitor EVERYTHING (hardware, software, datacentre infra, >etc). Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anex

RE: Hardware monitoring

You can also integrate other coding languages (Perl, PHP, C++, etc) if you need something unsupported. Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at Web: http://www.anexia.at An

RE: Hardware monitoring

Hi, We're using PRTG from Paessler (http://www.paessler.com). We're monitoring > 50k sensors (storage, network, hardware, applications, a/c, generators, door locks, liquid detection system in datacentres, etc) ... Best decision ever! Best regards Jürgen Jaritsch He

RE: Open letter to Level3 concerning the global routing issues on June 12th

The Level3 automatic prefix update feature is broken since 8-10 months and they are unable to fix it. I can provide ~10 ticket IDs with several discussions about the broken feature. We have to open a ticket with them for every new prefix we want to announce ... Jürgen Jaritsch Head of Network

Re: AS4788 Telecom Malaysia major route leak?

with the provider to prevent a recurrence. Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at<mailto:j...@anexia.at> Web: http://www.anexia.at<http://www.anexia.at/> Ansc

Re: AS4788 Telecom Malaysia major route leak?

http://www.bgpmon.net/massive-route-leak-cause-internet-slowdown/ Jürgen Jaritsch Head of Network & Infrastructure ANEXIA Internetdienstleistungs GmbH Telefon: +43-5-0556-300 Telefax: +43-5-0556-500 E-Mail: j...@anexia.at<mailto:j...@anexia.at> Web: http://www.anexia.at<http://