September 2009 - Test - lists.nanog.org

Network topology
by Colin Alston 15 Nov '13

15 Nov '13

Hi all I'm considering trying to come up with some means to automatically detect a networks topology and draw pretty pictures. This is somewhat boring though if a network isn't well arranged with VLANs and q-tag trunk routers and so on (It will just look like a big cloud of junk connected off an assumed switch). Is there any kind of cunning trick to detect standard layer2 switches along a path without stuff like STP?

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Inventory and workflow management systems
by vijay gill 26 May '13

26 May '13

What software solution do people use for inventory management for things like riser/conduit drawdown, fiber inventory, physical topology store, CLR/DLR, x-connect, contracts, port inventory, etc. Any experiences in integrating workflow into those packages for work orders, modeling, drawdown levels, etc. /vijay

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Wireless bridge
by Peter Boone 05 Apr '10

05 Apr '10

Hi NANOG, I'm looking for some equipment recommendations for a wireless bridge between two locations approximately 500-800 meters apart. The current setup for this company has been extremely unstable and slow. I don't have a lot of experience in this area so I was hoping someone could give me a few pointers. Currently, both locations are using Linksys WRT54GL's flashed with DD-WRT firmware (Yes, 802.11g. All extra bells and whistles are disabled in the firmware. They were set up for WDS so other wireless clients could connect to the same access point, with varying degrees of success. Not very important). They are connected to SmartAnt 2300-2500 MHz 14 dBi directional antenna mounted on the roof (extended pretty high for perfect line of sight). I'm not sure when they got these antenna exactly but I'm told it was when WiFi was very new. The network is very small so both locations share the same subnet (192.168.1.0/24). They have gone through numerous Linksys access points over the years. The wireless settings are tweaked as best as possible, and we have found the connection to be most stable when the TX is limited to 6-9 Mbps. We have explored other options as well. An internet connection at each location + VPN is out due to very slow upstream speeds (the buildings are in an industrial area, ADSL is the only option.) The max they offer on regular business accounts is 800 kbps up. T1 lines are even slower and even more expensive. They won't offer us any other solutions such as fibre. We have considered running fibre/coax but there is too much construction activity and other property in the way. I'm looking into RouterBOARD right now, considering a RB433AH and R52H wireless card, but I'm not sure this will actually solve the problem. It's difficult to determine if the issue is with the antennas or access points (for example, after a good thunderstorm, the wireless link will be down for at least 12 hours, but will fix itself eventually. Resetting either access point will keep the link down for at least 30 minutes. Using an airgun on the access points tends to make them more reliable, even if they are clean and dust free. From the admin interface, each access point will report seeing a very good and strong signal from the other, yet they refuse to communicate until they feel like it a few hours later.) Any suggestions welcome. I'm sure you can tell cost is a bit of a factor here but it will be easy for me to justify a higher price if I'm confident it will be effective. While I'm at it, I've been reading along on the list for over a year now; thanks everyone for sharing your real world experiences :) Peter

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Voice Operators' Group: voiceops.org
by Hiers, David 12 Feb '10

12 Feb '10

Hi Everyone, I'm pleased to announce that the Voice Operators' Group has found an excellent home. Our web site, www.voiceops.org has a good home (thanks Scott!), while Jared, Daniel, and all the great folks over at nether.net are hosting our list server. If VoiceOps can do for voice anything close to what NANOG has done for IP, we'll all owe much to the people that are making this happen. email: voiceops-subscribe(a)voiceops.org web: https://puck.nether.net/mailman/listinfo/voiceops Thanks, David Hiers CCIE (R/S, V), CISSP ADP Dealer Services 2525 SW 1st Ave. Suite 300W Portland, OR 97201 o: 503-205-4467 f: 503-402-3277 This message and any attachments are intended only for the use of the addressee and may contain information that is privileged and confidential. If the reader of the message is not the intended recipient or an authorized representative of the intended recipient, you are hereby notified that any dissemination of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail and delete the message and any attachments from your system.

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RE: Repeated Blacklisting / IP reputation
by Shawn Somers 03 Oct '09

03 Oct '09

I'd be more than happy to see this, with the added caveat that anyone that returned address space to ARIN that was subsequently marked as 'contaminated', should undergo a review process when attempting to obtain new address space. Charge them for the review process Anyone that intentionally uses address space in a manner that they know will cause it to become contaminated should be denied on any further address space requests. Another option, is to hit them where it matters. Assign fines and fees for churning address space and returning it as contaminated. Set the fee's on a sliding scale based on the amount of contamination and churn. the more contamination, the higher the fee. Shawn Somers Michiel Klaver wrote: --------- > > Message: 3 > Date: Tue, 15 Sep 2009 11:57:58 +0200 > From: Michiel Klaver <michiel(a)klaver.it> > Subject: RE: Repeated Blacklisting / IP reputation, replaced by > registered use > To: "Azinger, Marla" <marla.azinger(a)frontiercorp.com>, John Curran > <jcurran(a)arin.net>, "nanog(a)nanog.org" <nanog(a)nanog.org> > Message-ID: <4AAF6526.9000904(a)klaver.it> > Content-Type: text/plain; charset=UTF-8; format=flowed > > I think ARIN is no party to contact all RBL's and do any cleanup of > 'contaminated' address space. The only steps ARIN might do are: > > - When requesting address space, one should be able to indicate whether > receiving previous used address space would be unwanted or not. > > - When assigning address space, ARIN should notify receivers if it's > re-used or virgin address space. > > - When address space got returned to ARIN and there is evidence of > abuse, they have to mark that address space as 'contaminated' and only > re-assign that space to new end-users who have indicated to have no > problem with that. > > > > With kind regards, > > Michiel Klaver > IT Professional

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Anyone else seeing "(invalid or corrupt AS path) 3 bytes E01100" ?
by Adam Hebert 02 Oct '09

02 Oct '09

Multiple providers are seeing this right now. I assume someone is advertising an extremely long AS_PATH again? anyone else seeing this? Adam

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SMS
by Shaun Rossi 30 Sep '09

30 Sep '09

Hello, I have no idea what this is referred to as, so I will try to explain: I have a client interested in setting up a mobile phone text message service where a mobile user would send a text to a short (say 5 digit) 'telephone' number. I've seen commercials on TV where you could send a numeric/text code to a SMS gateway number, and it charges your mobile account for the returned text message or downloadable ringer/etc. Without knowing much about how to access this service, it seems relatively straightforward. I did a few web searches however I'm not sure what magic keyword I'm missing for the search. Could anyone point me in the right direction? The service would be established in Canada and potentially the United States. I have called two of the largest mobile operators, but no one can get me to the right department. As far as experience with texting goes, I have worked on some systems that do M2M (machine-to-machine) SMS communication, always using full mobile telephone numbers (GSM modems). Many thanks, -Shaun Shaun Rossi Fidalia Networks Inc tel. (905) 271-0037 x 111 1-866-FIDALIA (343-2542) x 111 fax. (905) 271-1036 1 Port Street East - Second Floor Mississauga, Ontario L5G 4N1 Canada

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Dearborn: Calling all CAcert and/or Thawte Notaries
by Owen DeLong 29 Sep '09

29 Sep '09

It occurs to me that in addition to the PGP key signings that tend to happen at NANOG meetings it might be worth having a group notary event for CAcert and/ or Thawte notarizations. I'm currently a 10 point notary with Thawte and hope to be a CAcert notary before the Dearborn meeting. I suspect there are other notaries on the list attending the meeting. If you're a notary and will be attending the meeting, please contact me off list if you'd be interested/willing to participate in a notary get together. If there's enough support to make it feasible, I'll try to put together a way we can do it. (Perhaps we can take a corner of the PGP key signing or such). If you're looking to get notarized, here's what you will need to bring: Thawte: 1. Your original IDs. One has to be the ID you provided the Thawte web site. Two IDs are ideal. At least one of the IDs must be government issue and must have your picture. (It helps if you look like the picture, too). 2. Photocopies of your IDs (one for each notary that will provide an on-line assurance of your ID). CAcert: 1. Print out one copy of the pre-filled out assurance form from the CAcert web site for each notary. 2. Bring your original ID(s). One government issued ID is required. Additional ID is also preferred. If there is enough interest from notaries, I will post back to the list when I get arrangements made. Owen

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Bell Canada - Old Bogon maybe - NOC contact
by Skeeve Stevens 29 Sep '09

29 Sep '09

Hey guys, Could someone from Bell Canada who can deal with an old Bogon issue please contact me off list. It is re: 180.x.x.x ...Skeeve -- Skeeve Stevens, CEO/Technical Director eintellego Pty Ltd - The Networking Specialists skeeve(a)eintellego.net / www.eintellego.net Phone: 1300 753 383, Fax: (+612) 8572 9954 Cell +61 (0)414 753 383 / skype://skeeve www.linkedin.com/in/skeeve ; facebook.com/eintellego -- NOC, NOC, who's there? Disclaimer: Limits of Liability and Disclaimer: This message is for the named person's use only. It may contain sensitive and private proprietary or legally privileged information. You must not, directly or indirectly, use, disclose, distribute, print, or copy any part of this message if you are not the intended recipient. eintellego Pty Ltd and each legal entity in the Tefilah Pty Ltd group of companies reserve the right to monitor all e-mail communications through its networks. Any views expressed in this message are those of the individual sender, except where the message states otherwise and the sender is authorised to state them to be the views of any such entity. Any reference to costs, fee quotations, contractual transactions and variations to contract terms is subject to separate confirmation in writing signed by an authorised representative of eintellego. Whilst all efforts are made to safeguard inbound and outbound e-mails, we cannot guarantee that attachments are virus-free or compatible with your systems and do not accept any liability in respect of viruses or computer problems experienced.

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In the event you had a lightning talk rejected for NANOG 47
by David Meyer 28 Sep '09

28 Sep '09

Folks, We found a bug in our submission tool that was rejecting lightning talk submissions with a "Lightning talks closed" error message. We believe we have it fixed now. In the event you were erroneously rejected, please resubmit your lightning talk for NANOG 47. Thanks, and look forward to seeing you all in Dearborn. Dave

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