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Photograph of damaged data center in Virginia
by Sean Donelan 20 Sep '04

20 Sep '04

Here is a photograph of a unnamed Internet provider's data center in Virginia after the tornadoes on Friday. http://www.worldofwarcraft.com/images/misc/tornado02.jpg Although most folks will be able to figure out who it is, for whatever reason the service provider doesn't want their name used.

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Tornados in Ashburn
by John Starta 20 Sep '04

20 Sep '04

http://www.washingtonpost.com/wp-dyn/articles/A29911-2004Sep17.html

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Beaumeade Industrial Park gas line $95 million damage?
by Sean Donelan 20 Sep '04

20 Sep '04

As folks know, Northern Virginia has a bunch of different data centers, ISPs, telecommunication facilities, etc. And the question whether using gas or diesel for back up generators is better. The business hasn't been identified by emergency management agencies, but during the storm on Friday reportly a business suffered $95 million in damage after a gas line fire in the Beaumeade industrial park. http://www.timescommunity.com/site/tab1.cfm?newsid=12946535&BRD=2553&PAG=46…

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Remote hands @ Equinix, Ashburn.
by Warren Kumari, Ph.D, CCIE# 9190 19 Sep '04

19 Sep '04

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi All, I'm heading over to Equinix, Ashburn in a few minutes to help out a friend. If anyone needs anything done over there I can provide free remote hands for a bit. Feel free to give me a call @ +1 571-344-0997. Warren. - -- "Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life." -- Terry Pratchett -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (Darwin) iD8DBQFBTFbOHSkNr4ucEScRAk8CAKCsmbs2oCOh1TUjRFhclvj5IHHhVACdEJf9 qVYKY/GMqeNDZVHkrm3xIcY= =Izce -----END PGP SIGNATURE-----

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New Ghost Route Hunter Utility: Prefix Compare
by Jeroen Massar 18 Sep '04

18 Sep '04

[Nanog: Yes, this is message has operational content, at least, in Europe IPv6 is operational ;) | excuses for the crosspost, the message-id's should be the same, thus configure your filters...] Always wonder what was wrong with a prefix? Wondering which ISP's are not able to reach you and where it stops? GRH (Ghost Router Hunter *1) now has a new utility for doing prefix comparisons (*2). This feature was requested by Daniel Rösen for the purpose of comparing: 2001:5000::/21 with 2001:650::/32 (*3). Which are originated from the same ASN, but as the /21 is filtered at some places, have different or no paths to the participants (*4) that provide routes to GRH and many more ISP"s around the world. This utility thus allows you to see which participants of GRH do have the routes in question and the difference in the paths towards those participants. This allows a very quick view where a prefix is not accepted, most possibly of misconfigured filters. People who don't have, for instance, 2001:5000::/21 in their BGP, please figure out where the filtering is wrongly applied by looking at the utility and applying the current set of recommended filters, available from: http://www.space.net/~gert/RIPE/ipv6-filters.html It is good to see that ISP's have prefix filtering, but they really should update them. Though I'd rather see no prefix filtering but that they do RPF filtering on their customers. When you have (near) 0 IPv6 prefixes in your BGP, then you better start catching on ;) At the moment of writing you should have at least IPv6 499 prefixes, as then you have all the allocated, and currently announced, TLA's in your router, if you have less you are missing a number of them. For interested ISP's, GRH signup is, of course, free and can be done through the website (*5), the more peers join, the better the statistics of all the GRH utilities will be. Also, if you, like Daniel, miss a good utility, don't hesitate to bring it up. I would also like to thank all the already participating ISP's for providing their tables which have made it able to fix a large number of problems already over the almost 2 years GRH has been running. Last but not least, thanks to Daniel Rösen for the brilliant idea. Greets, Jeroen *1 = http://www.sixxs.net/tools/grh/ *2 = http://www.sixxs.net/tools/grh/compare/ *3 = http://www.sixxs.net/tools/grh/compare/?a=2001:5000::/21&b=2001:650::/32 *4 = http://www.sixxs.net/tools/grh/participants/ *5 = http://www.sixxs.net/tools/grh/signup/

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FW: BGP Load Sharing
by Mike McSpedon 18 Sep '04

18 Sep '04

Chris, My comment inline. -----Original Message----- From: owner-nanog(a)merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of Chris Strandt Sent: Friday, September 17, 2004 8:40 PM To: nanog(a)merit.edu Subject: BGP Load Sharing I am hoping to learn from the great pool of experience on this list. We currently have 2 OC3 connections going to 2 seperate providers. We are using netflow statistics to balance our traffic flows (which outgoing is our major concern). Flow tools, snmp output, some custom scripts, and some bgp weighting does the trick. We are in the process of upgrading to Cisco 12012 GSRs, and adding additional connectivity. We need to find something we can use to do the same type of thing on the 12012 GSR. The custom scripts work fine.. but it appears some line cards don't support netflow. 1) Is there an open source software that will assist us in load sharing? 2) Are there specific cards we need for netflow on a 12000 series? Is the difference based on Line Card Engine (0,1,2,3,etc)? 3) Is there an alternate way to control outgoing traffic flow to multiple upstreams using bgp (besides splitting the address range up and blindly pointing chunks to each provider)? >>> What you advertise to upstreams affects incoming traffic, not outgoing. What upstreams advertise to you and the policies you employ on those routes affects outgoing. One basic technique is to decide roughly how much outgoing traffic you want going over each link, then look at how your current outgoing traffic is split (e.g., 70% via ISPA, 30% via ISPB) then manipulate the Local Preference attribute on some of the routes you're receiving to achieve roughly the balance you're looking for. Mike McSpedon Arrow Global Data Communications Arrow Electronics, Inc. 50 Marcus Drive Melville, New York 11747 Phone: 631.847.5551 Thanks, -Chris Strandt Liquid Web Inc

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Multi-link Frame Relay OR Load Balancing
by Bryce Enevoldson 18 Sep '04

18 Sep '04

We are in the process of updating our internet connection to 8 t1's bound together. Due to price, our options have been narrowed to AT&T and MCI. I have two questions: 1. Which technology is better for binding t1's: multi link frame relay (mci's) or load balancing (att's) 2. Which company has a better pop in Atlanta: mci or att? We are in the Chattanooga TN area and our current connection is 6 t1's through att but they will only bond 4 so they are split 4 and 2. Bryce Enevoldson Information Processing Southern Adventist University

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Announcement: SwissIX offers free Peering Ports
by Fredy Kuenzler 18 Sep '04

18 Sep '04

Dear all, SwissIX is happy to announce that, effective October 1st, 2004, recurring fees for peering ports will be waived. No more monthly or yearly charges - thanks to all SwissIX sponsors! Swissix (Swiss Internet Exchange) is a non-profit association and operates a distributed peering platform within Switzerland. We are pleased to welcome ISP's, carriers, hosting companies and enterprise networks as members and participants. Currently four locations are online: InterXion Glattbrugg (Zurich), IXEurope Datacenter 1 and 2, Zurich and iwb Telehouse Basel. Until end of 2004, three more locations (Bern, Zurich, Vaduz FL) will host an expansion switch of SwissIX. More info: http://www.swissix.ch/ http://www.swissix.ch/how_to_get_connected.php Best regards, Fredy Künzler President of the SwissIX association

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RE: Equipment Shelter with Backup Generator
by Erik Bais 18 Sep '04

18 Sep '04

What do you define as remote ? With kind regards, Erik Bais http://www.bais.name

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Equipment Shelter with Backup Generator
by Adi Linden 18 Sep '04

18 Sep '04

I am looking for ideas/suppliers for placing network equipment and satellite earth station equipment in remote locations. There are no suitable facilities to colocate but single phase power is available. Any ideas where to find a secure steel clad building, that fits a couple of rack, has environmenal conditioning, room for a UPS and generator backup? Thanks, Adi

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