February 2016 - Test - lists.nanog.org

RBL resource to check entire netblock
by greg whynott 18 Feb '16

18 Feb '16

Hello, I am wanting to purchase a /22 from one of the online auction sites (Hilco). Before we move ahead with it I wanted to check the history of IPs within the allocation. I find many sites where you can enter 1 IP to do a check but they don't seem to accept subnets to check. Are you aware of any services which could tell us if a /22 is clean or not? my google foo is weak. thank you, greg

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-48DC electrical supply
by Daniel Corbe 18 Feb '16

18 Feb '16

Where do you guys get your supplies (wire, connectors, tools) for -48VDC stuff?

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Congrats to SMB!
by Jay R. Ashworth 18 Feb '16

18 Feb '16

Let me be, apparently, the first to extend congratulations to long time NANOGer, Columbia CS professor, security researcher, and co-inventor of Usenet -- does anybody remember Usenet? :-) -- Steven M. Bellovin, who, it was announced yesterday, has become the first actual, y'know, technical person appointed to the Privacy and Civil Liberties Oversight Board, the White House organization formed over a decade ago to oversee the NSA in light of its bulk data collection activities WRT US citizens. A Wired piece, with Steve's new resume photo, is here: http://www.wired.com/2016/02/the-presidents-nsa-advisory-board-finally-gets… and Steve's altogether excellent blog, which I read way too infrequently, is here: https://www.cs.columbia.edu/~smb/blog/control/ Steve always has interesting stuff to say; it's nice to know that now... well, there's no way I can phrase this compliment without being accidentally insulting. So I'll shut up now. :-) == Steve's latest book is the second edition of _Firewalls And Internet Security: Repelling the Wily Hacker_; more info including links to buy are here: http://www.wilyhacker.com/ For poor but smart people, note that there's a link there to the full text of the first edition; while much of it has been overrun by events, there's still a lot of good material there. Cheers, -- jra -- Jay R. Ashworth Baylink jra(a)baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates http://www.bcp38.info 2000 Land Rover DII St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274

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Cogent <=> Google Peering issue
by Fred Hollis 18 Feb '16

18 Feb '16

Anyone else aware of it?

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Agoda GeoIP issue
by Vireak Ouk 17 Feb '16

17 Feb '16

Greetings from Cambodia Could anyone from Agoda contact me off-list? It's regarding some discrepancies of Agoda rates which could be caused by GeoIP isse. We had tried to report via the normal means but to no avail. Thanks in advance. Vireak

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re: PCH Peering Paper
by Livingood, Jason 17 Feb '16

17 Feb '16

How does it look when you examine it by not the count of sessions or links but by the volume of overall data? I wonder if it may change a little like 50% of the volume of traffic is covered by a handshake. (I made 50% up - could be any percentage.) Jason PS - My email address has changed and I’m trying to send a 3rd time. Apologies if they all suddenly post to the list as duplicates! :-) >On 2/10/16, 6:34 PM, "NANOG on behalf of Patrick W. Gilmore" ><nanog-bounces(a)nanog.org on behalf of patrick(a)ianai.net> wrote: > >>I quoted a PCH peering paper at the Peering Track. (Not violating rules, >>talking about myself.) >> >>The paper is: >> https://www.pch.net/resources/Papers/peering-survey/PCH-Peering-Survey-2 >>0 >>11.pdf >> >>I said ³99.97%² of all peering sessions have nothing behind them more >>than a ³handshake² or an email. It seems I was in error. Mea Culpa. >> >>The number in the paper, on page one is, 99.52%. >> >>Hopefully everyone will read the paper, and perhaps help create better >>data. >> >>-- >>TTFN, >>patrick >> >> >

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Equinix Chicago Cross COnnects
by Mike Hammett 17 Feb '16

17 Feb '16

Yes, another post in this ballpark. I am remembering someone telling me that cross connects from CH3 (Elk Grove Village) to CH1, CH2 or CH4 were not raw glass, but some sort of transport. I lose the details, whether it was wave transport, MPLS or something. I remember the speed of the connection mattering. My Equinix rep tells me that there is no difference from one to the other. I take that to mean that I could put my own wave system on the glass and be fine. I just have a very hard time believing them, based on what I remember and the fact that they've giving me a 25 - 30 mile pair of glass for $350/month. I was hoping to see if anyone else had any experience in this department. Equinix Cermak apparently today has zero available cabinets of any kind in CH1, CH2 or CH4. ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com

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Looking for docs on "A" RR duality of functions
by Octavio Alvarez 17 Feb '16

17 Feb '16

Hi. Do you know if there are any docs (RFC, drafts, independent...) that study the tricks being done with the A/AAAA RRs? What I mean is that it is currently being used not only to resolve the IP address of a hostname, but for load-balancing as well, the case being that the hostname is not just a "host"-name anymore, but a "service"-name (?) so to speak. I'd like to know if somebody else has gone deeper into this and if there are related documents on the matter. Thanks.

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Re: Verizon Fios, WashDC gateway problem
by Paul Paukstelis 17 Feb '16

17 Feb '16

I avoided posting traceroute initially after reading the FAQ, but this seems like a case where it can help in diagnostics. Loss starts at the affected device (hop 3) and persists. See mtr report for affected and unaffected gateways: Host Loss% Snt Last Avg Best Wrst StDev 1. Wireless_Broadband_Router.home 0.0% 673 0.5 0.5 0.4 0.6 0.0 2. L100.WASHDC-VFTTP-123.verizon-gni.net 0.0% 673 6.5 8.1 3.7 90.1 9.6 3. G1-7-3-5.WASHDC-LCR-22.verizon-gni.net 11.2% 673 8.2 8.7 5.1 15.8 1.6 4. ??? 5. 0.ae4.BR2.IAD8.ALTER.NET 10.4% 673 9.0 8.0 5.4 22.1 1.4 6. be3018.ccr41.iad02.atlas.cogentco.com 10.3% 673 7.1 8.2 5.9 15.3 1.2 7. 38.122.63.54 12.3% 673 7.0 8.4 6.2 29.3 2.8 8. ae3-asbnvacyj41.lightower.net 9.4% 672 7.1 8.3 5.8 32.0 2.2 9. 172.85.52.94.lightower.net 10.7% 672 10.0 9.6 7.5 14.3 1.0 10. te1-4.css-fw-r1.net.umd.edu 11.0% 672 12.2 14.8 7.6 287.2 27.2 11. gi6-6.ptx-core-r1.net.umd.edu 7.9% 672 10.5 11.0 7.8 340.5 15.2 12. gi3-2.ptx-dual-r1.net.umd.edu 9.7% 672 11.9 13.1 8.3 265.6 14.3 13. 129.2.168.3 12.6% 672 11.2 10.9 8.5 188.4 7.7 Host Loss% Snt Last Avg Best Wrst StDev 1. Wireless_Broadband_Router.home 0.0% 287 0.5 0.5 0.5 1.2 0.1 2. L100.WASHDC-VFTTP-123.verizon-gni.net 0.0% 287 6.6 14.9 3.7 148.3 22.8 3. G0-10-3-4.WASHDC-LCR-21.verizon-gni.ne 0.0% 287 9.4 14.9 5.3 97.2 19.1 4. ??? 5. 0.ae3.BR2.IAD8.ALTER.NET 0.0% 287 7.8 13.6 5.7 93.6 17.7 6. be3018.ccr41.iad02.atlas.cogentco.com 0.0% 287 8.1 14.0 6.0 94.1 18.5 7. 38.122.63.54 0.0% 287 9.7 15.5 6.0 97.1 19.1 8. ae3-asbnvacyj41.lightower.net 0.0% 287 9.4 16.4 5.9 95.7 19.6 9. 172.85.52.94.lightower.net 0.0% 287 9.1 19.0 7.7 99.7 22.6 10. te1-4.css-fw-r1.net.umd.edu 0.0% 287 9.4 23.9 7.7 269.8 35.7 11. gi6-6.ptx-core-r1.net.umd.edu 0.0% 287 10.7 18.2 8.2 100.4 20.6 12. gi3-2.ptx-dual-r1.net.umd.edu 0.0% 287 12.2 20.5 8.5 172.2 23.7 13. 129.2.168.2 0.0% 287 11.1 16.4 7.7 95.8 19.3 On 02/17/2016 02:14 PM, chris wrote: > packet loss in the middle of the path means nothing if you have no > loss at the destination. do you see packet loss on the last mtr hop > which is your destination machine? > > On Tue, Feb 16, 2016 at 8:54 PM, Paul Paukstelis > <shocksofmighty(a)gmail.com <mailto:shocksofmighty@gmail.com>> wrote: > > Apologies for a post as a non-expert, but it was suggested that I > see if any Verizon techs are reading here and to solicit opinions > on fixing a peculiar problem. > > I noticed about a month ago that all upload traffic from my home > router (Fios) to a specific work machine was extremely slow. I > first thought it was an issue with the destination NIC, or > something with the university gateway. I had normal upload speeds > to other destination machines in the same building on the same > subnet, etc. Eventually, I swapped IPs on the two machines, and > found that the problem had to do with routing to a specific IP, > not the destination machine itself. I confirmed first with > wireshark that there was packet loss resulting in constant TCP > Fast Retransmits when uploading to the affected host IP. > traceroute showed that the affected and unaffected traffic went > through different Verizon gateways > (G1-7-3-5.WASHDC-LCR-22.verizon-gni.net > <http://G1-7-3-5.WASHDC-LCR-22.verizon-gni.net> and > G0-10-3-4.WASHDC-LCR-21.verizon-gni.net > <http://G0-10-3-4.WASHDC-LCR-21.verizon-gni.net>, respectively; > I've ultimately found that four different gateways are used > depending on the destination IP). mtr confirmed consistent 10% > packet loss at G1-7-3-5.WASHDC-LCR-22.verizon-gni.net > <http://G1-7-3-5.WASHDC-LCR-22.verizon-gni.net>. This tells me > that there is clearly a problem with this device, but I have yet > to be able to convince Verizon there is a problem. I thought I > might just VPN around it, but as luck would have it the university > VPN IP gets routed through the bad gateway. This has to be > impacting a significant number of Fios customers in the DC/MD > area. 25% of all upload traffic (assuming a normal distribution of > destination IPs) gets routed through this bad device. > > Any thoughts on how to get in touch with someone from Verizon that > can help with this or any specific ideas on what this problem > might be which I can try to pass along? > > Thanks. > >

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libero.it email admin contact
by Techs_Maru 17 Feb '16

17 Feb '16

Hi folks, Now, can not sent mail to libero.it by RBL. I requests to removal from blacklist.... I want to contact libero.it mail adminis. or Anyone knows request form?

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