February 2015 - Test - lists.nanog.org

Multi-port RFC2544/EtherSAM loopback appliance
by Jason Lixfeld 25 May '17

25 May '17

Group, I'm looking for options and opinions on a cost effective, multi-port (6'ish port SFP/SFP+) RFC2544/EtherSAM rack appliance that can act as the remote/loopback for our field installers' portable RFC2544/EtherSAM enabled Exfo test sets. I came across XenaNetworks XenaCompact which looks like it would fit the bill, but I'm sure there are others (save Ixia, Exfo and Fluke, which I'm pretty much excluding by default because I imagine they are likely completely out to lunch on price relative to the extremely simplified feature set we require). Thanks in advance.

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Recommendations, Colo Reno, Albuquerque, Phoenix, Las Vegas
by Eric A Louie 21 Jun '16

21 Jun '16

Does anyone have recommendations for Colocation space in any of those 4 cities? thanks Eric

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Public DNS64
by Tim Durack 01 Jun '16

01 Jun '16

Anyone know of a reliable public DNS64 service? Would be cool if Google added a Public DNS64 service, then I could point the NAT64 prefix at appropriately placed boxes in my network. Why? Other people are better than me at running DNS resolvers :-) -- Tim:>

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Juniper MX Sizing
by Graham Johnston 15 Mar '16

15 Mar '16

I am wondering if anyone can provide their real world experience about sizing Juniper MX routers as it relates to BGP. I am needing a device that has a mix of layer 2 and 3 features, including MPLS, that will have a very low port count requirement that will primarily be used at a remote POP site to connect to the local IX as well as one or two full route transit providers. The MX104 has what I need from a physical standpoint and a data plane standpoint, as well as power consumption figures. My only concern is whether the REs have enough horsepower to churn through the convergence calculations at a rate that operators in this situation would find acceptable. I realize that 'acceptable' is a moving target so I would happily accept feedback from people using them as to how long it takes and their happiness with the product. For those of you that deem the MX104 unacceptable in this kind of role and moved up to the MX240, what RE did you elect to use? Thanks, Graham Johnston Network Planner Westman Communications Group 204.717.2829 johnstong(a)westmancom.com<mailto:johnstong@westmancom.com> P think green; don't print this email.

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common checks performed when passing on an IPv4 PA allocation from one end-customer to another
by Martin T 23 Feb '16

23 Feb '16

Hi, when one end-customer has been using for example /24 IPv4 allocation for a while and returns this(for example changes an ISP) to LIR, then are there some good practices before handing out this same /24 to a new customer? I guess LIR should: 1) remove all the DNS PTR records, classless of classful delegations 2) check if some of the IP addresses are in DNSBL(maybe the previous customer was a spammer). Example with 93.184.216.0/24: $ for ip in {0..255}.216.184.93;\ > do for addr in \ > cbl.abuseat.org \ > dnsbl.inps.de \ > no-more-funn.moensted.dk \ > dnsbl.sorbs.net \ > bl.spamcannibal.org \ > bl.spamcop.net \ > psbl.surriel.com \ > dnsrbl.swinog.ch; \ > do dig @8.8.8.8 "$ip"."$addr" +short | grep -q "^127.0.0." && \ > echo "DNSBL-Alarm: $ip is listed on $addr"; done; done $ Anything else? regards, Martin

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Big day for IPv6 - 1% native penetration
by Tomas Podermanski 06 Jan '16

06 Jan '16

Hi, It seems that today is a "big day" for IPv6. It is the very first time when native IPv6 on google statistics (http://www.google.com/intl/en/ipv6/statistics.html) reached 1%. Some might say it is tremendous success after 16 years of deploying IPv6 :-) T.

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VZW - fixed wireless services?
by Ryan Finnesey 20 Jun '15

20 Jun '15

Does anyone know if Verizon is using its LTE network to offer fixed wireless services? I know Sprint was working on WiMAX hardware with cisco but I assume that was canceled when Sprint started moving to LTE. Cheers Ryan

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Re: Verizon Policy Statement on Net Neutrality
by Scott Fisher 04 May '15

04 May '15

Funny, but in my honest opinion, unprofessional. Poor PR. On Fri, Feb 27, 2015 at 9:10 AM, Scott Fisher <littlefishguy(a)gmail.com> wrote: > Funny, but in my honest opinion, unprofessional. Poor PR. > > On Fri, Feb 27, 2015 at 9:05 AM, Larry Sheldon <larrysheldon(a)cox.net> wrote: >> http://publicpolicy.verizon.com/blog/entry/fccs-throwback-thursday-move-imp… >> -- >> The unique Characteristics of System Administrators: >> >> The fact that they are infallible; and, >> >> The fact that they learn from their mistakes. >> >> >> Quis custodiet ipsos custodes > > > > -- > Scott -- Scott

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Re: Low cost WDM gear
by Kenneth McRae 16 Apr '15

16 Apr '15

I will live vicariously though your experiences with them. I'm good on FiberStore. :-) Thanks for the feedback.. On Feb 07, 2015, at 01:27 PM, Faisal Imtiaz <faisal(a)snappytelecom.net> wrote: Maybe, your experience was the pivotal event that became a turning point in their customer service attitudes... :) Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: Support(a)Snappytelecom.net From: "Kenneth McRae" <kenneth.mcrae(a)me.com> To: "Faisal Imtiaz" <faisal(a)snappytelecom.net> Cc: "Rodrigo 1telecom" <rodrigo(a)1telecom.com.br>, "NANOG" <nanog(a)nanog.org> Sent: Saturday, February 7, 2015 4:24:18 PM Subject: Re: Low cost WDM gear Point taken on the specs.. Still doesn't excuse poor customer service and tech support. I never expect to be told that no refund will be issued when I am dissatisfied with the product. A request for RMA because something is not working as expected should not have to be escalated to the President of the company. Other than that I am sure FiberStore is a great company :-) On Feb 07, 2015, at 01:17 PM, Faisal Imtiaz <faisal(a)snappytelecom.net> wrote: My point is...... ... The thing to rely on is/are the Specs. If the Specs are right or specs are wrong, that is what determines the product's mfg shortcoming (defect). Mfg. Engineers are people, just like you and me.... and people can make mistakes... Being an Engineer, when I ask someone to do the design work, I ask them to explain it, and this way I double check their work.... Yes Mfg. Engineers are known to F***up too. While it is expected to be disappointed when something does not work.. and having a bad taste for dealing with that mfg, claiming that all of that mfg products are bad is a whole different issue. I deal with FiberStore, my experience have been very different, when stuff purchased from them, did not meet the specs, they took it back no questions asked. Regards. Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: Support(a)Snappytelecom.net From: "Kenneth McRae" <kenneth.mcrae(a)me.com> To: "Faisal Imtiaz" <faisal(a)snappytelecom.net> Cc: "Rodrigo 1telecom" <rodrigo(a)1telecom.com.br>, "NANOG" <nanog(a)nanog.org> Sent: Saturday, February 7, 2015 4:01:29 PM Subject: Re: Low cost WDM gear That's true up to a point. Specs are only as good as the entity providing the data. I can tell you a few stories about specs and some MAJOR fails by a major network equipment manufacturer failing to meet advertised specs. When you engage the engineering folks to assist in a build, they should know the true specs of their gear better than anyone else. If they say for a certain distance that A+B will work, then that is exactly what I expect. That is pretty basic. On Feb 07, 2015, at 12:56 PM, Faisal Imtiaz <faisal(a)snappytelecom.net> wrote: More power to you .... I always get a chuckle out of statements such as ... "Compared FiberStore to another Vendor"... It was pointed out to me long time ago.... when someone said.. "My Chevy is better than a Ford".... Someone pointed out, hey, which Chevy ? the Chevette ? or the Corvette ? and Which Ford the Fiesta or Mustang ? Every mfg. has a lots and lots of products, and they are always getting improved... One has to pay attention to the specs.. even the same model products at different times don't have the same specs ! :) Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: Support(a)Snappytelecom.net From: "Kenneth McRae" <kenneth.mcrae(a)me.com> To: "Faisal Imtiaz" <faisal(a)snappytelecom.net> Cc: "Rodrigo 1telecom" <rodrigo(a)1telecom.com.br>, "NANOG" <nanog(a)nanog.org> Sent: Saturday, February 7, 2015 3:49:16 PM Subject: Re: Low cost WDM gear That's why I engage the engineering resources on their end to make sure the chosen candidate will support the use case. I have now performed an A/B comparison and the FiberStore gear is inferior. Excessive loss on the mux and optics. On Feb 07, 2015, at 12:44 PM, Faisal Imtiaz <faisal(a)snappytelecom.net> wrote: If you pay close attention to the Spec Sheets, on power output, insertion loss, sensitivity, and do the proper calculation for your link, then using anyone's products, passive or active will work unless the devices do not meet specified specs. If you don't do your homework, cals on the design, loss, and just buy stuff based on whatever, then it does not matter who the mfg. is, you are very very likely to be surprised in a bad way. :) Faisal Imtiaz Snappy Internet & Telecom ----- Original Message ----- From: "Rodrigo 1telecom" <rodrigo(a)1telecom.com.br> To: "Kenneth McRae" <kenneth.mcrae(a)me.com> Cc: "NANOG" <nanog(a)nanog.org> Sent: Saturday, February 7, 2015 3:24:43 PM Subject: Re: Low cost WDM gear What others vendors do you using? Here in Brazil only PADTEC have this passive solution... Some days ago Digitel contact me to show your multiplex solution... Is a active solution... We import this from fiberstore, but i don't know others vendors to buy 10G sfp+ cwdm and this mux/demux... Enviado via iPhone  Grupo Connectoway > Em 07/02/2015, às 16:04, Kenneth McRae <kenneth.mcrae(a)me.com> escreveu: > > Hi Enviado, > > I cannot recommend FiberStore as I had a bad experience with them. I > needed to cover only 3km from A to B side. When using 10km optics, I saw > a loss of over 5db with their passive mux inserted into the path which > created a total loss of over -20db which is outside of the tolerances for > our equipment with 10km SFP+. Using another vendors low insertion loss > mux corrected our issue. I am sure if you are using an 80km optic, you > may be able to tolerate a higher insertion loss to cover < 60km. I also > notice that their CDWM optics averaged about 3db less in power output when > compared to other vendors. > > Thanks > > Kenneth > >> On Feb 07, 2015, at 10:33 AM, Rodrigo 1telecom <rodrigo(a)1telecom.com.br> >> wrote: >> > >> Hi kenneth... which the distance do you have from side A to side B when >> you using passive solutions from fiberstore( mux and demux)? >> I buy this mux and demux(4 channels single fiber) and only make a test >> about 60km( mux side A and demux on side B) with sfp+10gb for 80km... ( >> only see ddm on my ex3300( about -19db for 60km). Test switch access with >> ssh and pinging tests... >> What kind os issue do you have? For distances less than 60km is this >> solution good? >> Thanks!!! >> >> Enviado via iPhone  >> Grupo Connectoway >> >>> Em 07/02/2015, às 14:55, Kenneth McRae <kenneth.mcrae(a)me.com> escreveu: >>> Mike, >>> I just replaced a bunch of FiberStore WDM passive muxes with OSI Hardware >>> equipment. The FiberStore gear was a huge disappointment (excessive >>> loss, poor technical support, refusal to issue refund without >>> threatening legal action, etc.). I have had good results from the OSI >>> equipment so far. I run passive muxes for CWDM (8 - 16 channels). >>> On Feb 07, 2015, at 09:51 AM, Manuel Marín <mmg(a)transtelco.net> wrote: >>> Hi Mike >>> I can recommend a couple of vendors that provide cost effective >>> solutions. >>> Ekinops & Packetlight. >>> On Saturday, February 7, 2015, Mike Hammett <nanog(a)ics-il.net> wrote: >>> I know there are various Asian vendors for low cost (less than $500) >>> muxes >>> to throw 16 or however many colors onto a strand. However, they don't >>> work >>> so well when you don't control the optics used on both sides (therefore >>> must use standard wavelengths), obviously only do a handful of channels >>> and >>> have a distance limitation. >>> What solutions are out there that don't cost an arm and a leg? >>> ----- >>> Mike Hammett >>> Intelligent Computing Solutions >>> http://www.ics-il.com >>> -- >>> TRANSTELCO| Manuel Marin | VP Engineering | US: *+1 915-217-2232* | MX: >>> *+52 >>> 656-257-1109* >>> CONFIDENTIALITY NOTICE: This communication is intended only for the use >>> of the individual or entity to which it is addressed and may contain >>> information that is privileged, confidential, and exempt from disclosure >>> under applicable law. If you are not the intended recipient of this >>> information, you are notified that any use, dissemination, distribution, >>> or >>> copying of the communication is strictly prohibited. >>> AVISO DE CONFIDENCIALIDAD: Esta comunicación es sólo para el uso de la >>> persona o entidad a la que se dirige y puede contener información >>> privilegiada, confidencial y exenta de divulgación bajo la legislación >>> aplicable. Si no es el destinatario de esta información, se le notifica >>> que >>> cualquier uso, difusión, distribución o copia de la comunicación está >>> estrictamente prohibido.

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How are you doing DHCPv6 ?
by Randy Carpenter 02 Apr '15

02 Apr '15

I am wondering how people out there are using DHCPv6 to handle assigning prefixes to end users. We have a requirement for it to be a redundant server that is centrally located. DHCPv6 will be relayed from each customer access segment. We have been looking at using ISC dhcpd, as that is what we use for v4. However, it currently does not support any redundancy. It also does not do very much useful logging for DHCPv6 requests. Certainly not enough to keep track of users and devices. So, my questions are: How are you doing DHCPv6 with Prefix Delegation? What software are you using? When DHCPv6 with Prefix Delegation seems to be about the only way to deploy IPv6 to end users in a generic device-agnostic fashion, I am wondering why it is so difficult to find a working solution. thanks, -Randy -- | Randy Carpenter | Vice President - IT Services | Red Hat Certified Engineer | First Network Group, Inc. | (800)578-6381, Opt. 1 ----

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