October 2005 - Test - lists.nanog.org

Re: Level3 problems
by erikk 21 Oct '05

21 Oct '05

This is a notification we just received regarding Level 3: Level 3 has resolved their internal issues. They were having some internal OSPF issues, but are going to send out an official RFO sometime this morning. For now Internap is turning up each BGP session with Level 3 out of the PNAPs and will be closely monitoring the situation. As soon as we get the official RFO from Level 3 we will forward it on to the customers. Hope that helps. Erik Koblence Nyi

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Re: Level3 problems
by lgreenem＠cmp.com 21 Oct '05

21 Oct '05

I'm a reporter with InformationWeek magazine. I'm trying to get an idea of the significance of this morning's outage. Has Level 3 communicated with you about the cause of the outage? How greatly did the outage affect you or your customers? Was this an unusually large event? Thanks, lgreenem(a)cmp.com

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NANOG 35 PGP keyring
by John Kristoff 21 Oct '05

21 Oct '05

Joe Abley is coordinating a set of PGP key signing parties throughout the NANOG 35 meeting. I know Joe has his hands full with program and steering committee responsibilities and could use help from others to ensure keysignings go smoothly. If you'll be attending any part of the meeting, have a PGP key and are interested in exchanging signatures with other attendees the least you should do is add your public key to the keyring located on Biglumber: <https://www.biglumber.com/x/web?keyring=9445> If you already have a login to biglumber then you probably know what to do, otherwise, just paste a copy of your public key in the text box and click the submit button. Look for keysignings during the last 15 minutes of morning and lunch breaks as was done in Seattle. For additional information, the NANOG 35 PGP keysigning page is here: <http://www.nanog.org/pgp.abley.html> Joe's Seattle meeting presentation detailing the NANOG process: <http://www.nanog.org/mtg-0505/abley.trust.html> I'm going to try to be one of the folks that attends most if not all the keysignings, but having others do so and ensuring a hard copy of the keyring is available for each would be great. John

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Routers RAM and BGP table bloat
by Ben Butler 21 Oct '05

21 Oct '05

*********************** Your mail has been scanned by InterScan VirusWall. ***********-*********** Hi, Apologies if this is not deemed operational enough. Further to the debate about prefixes / v6 / multihomeing etc etc. The growing size of the route table, de-aged networks and increasing corporate mutlihomeing all drive up the size of the route table and brings pressure to bear on the memory requirements of our routers. Now while I want to steer well clear of the my box is better than your box discussion - I was wondering if anyone had a view on what would happen if I managed to source an SDRAM of 512MB / 1GB of the same specification as the 256MB Cisco compatible memory that you use in an 7200 NPE225. Cisco say the maximum ram for that NPE is a pitiful 256MB, I am sure the memory manufacturers will have made larger SDRAMs, while recognising it would be fully unsupported what would happen if we tried to stick in a larger memory module in the NPE.... I can always go out and spend 5K per box on NPE G1 cards for each router, but operationally I don't need faster processors but I do need more RAM and I don't really see why I should be forced by Cisco to purchase an expensive upgrade just because they say 256MB is the maximum when I suspect we would be able to get away with sticking in a large SDRAM. Anyone got any thoughts on whether this would work or not? It must be costing us all a small operational fortune in router upgrades brought about by the growing BGP table size. And yes I do know that if I was running Quagga on a PC I could have 4GB of inexpensive RAM very easily, but I want to avoid the x is better than y discussion. Kind Regards Ben Butler ++++++++++++++++++++++++++++++++++++++ C2 Internet Ltd Globe House The Gullet Nantwich Cheshire CW5 5RL W http://www.c2internet.net/ T +44-(0)845-658-0020 F +44-(0)845-658-0070 All quotes & services from C2 are bound by our standard terms and conditions which are available on our website at: http://www.c2internet.net/legal/main.htm#tandc

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RE: Level3 problems
by Sean Crandall 21 Oct '05

21 Oct '05

> On Fri, Oct 21, 2005 at 09:26:06AM +0300, Emilian Ursu wrote: > > > > I see its completely down and several others are starting > > to have problems. > > Anyone knows whats up ? > > They're giving out master ticket #'s of 1429209 1429184 and 1429189 > depending on who you talk to apparently (though I don't think > they'll have > any trouble finding it under "total network outage" :P). > Rumor has it a > maintenance in Chicago backfired (it did start at exactly > 02:00 EDT on the > dot). Anyone else having flashbacks to IGP/CEF bugs? :) I was given the same info re: maintenance. While on the phone with them, I started to see things come back to life, but still a big mess at the moment. -Sean Sean P. Crandall VP Engineering Operations MegaPath Networks Inc. 6691 Owens Drive Pleasanton, CA 94588 (925) 201-2530 (office) (925) 201-2550 (fax)

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image stream routers
by Matt Hess 21 Oct '05

21 Oct '05

I'd like to get some feedback as to what people's experiences are (if any) with image stream routers.. specifically the industrial ones. http://www.imagestream.com/

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The Cidr Report
by cidr-report＠potaroo.net 21 Oct '05

21 Oct '05

This report has been generated at Fri Oct 21 21:45:55 2005 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table History Date Prefixes CIDR Agg 14-10-05 169210 113699 15-10-05 169112 113683 16-10-05 169174 113715 17-10-05 169181 113788 18-10-05 169304 113813 19-10-05 169382 113960 20-10-05 169661 114047 21-10-05 169933 113957 AS Summary 20629 Number of ASes in routing system 8548 Number of ASes announcing only one prefix 1506 Largest number of prefixes announced by an AS AS7018 : ATT-INTERNET4 - AT&T WorldNet Services 91331328 Largest address span announced by an AS (/32s) AS721 : DLA-ASNBLOCK-AS - DoD Network Information Center Aggregation Summary The algorithm used in this report proposes aggregation only when there is a precise match using the AS path, so as to preserve traffic transit policies. Aggregation is also proposed across non-advertised address space ('holes'). --- 21Oct05 --- ASnum NetsNow NetsAggr NetGain % Gain Description Table 169897 113873 56024 33.0% All ASes AS4323 1188 234 954 80.3% TWTC - Time Warner Telecom AS18566 864 9 855 99.0% COVAD - Covad Communications AS721 1074 314 760 70.8% DLA-ASNBLOCK-AS - DoD Network Information Center AS4134 1002 251 751 75.0% CHINANET-BACKBONE No.31,Jin-rong Street AS7018 1506 987 519 34.5% ATT-INTERNET4 - AT&T WorldNet Services AS22773 544 29 515 94.7% CCINET-2 - Cox Communications Inc. AS19916 541 76 465 86.0% ASTRUM-0001 - OLM LLC AS3602 568 110 458 80.6% SPRINT-CA-AS - Sprint Canada Inc. AS9583 782 383 399 51.0% SIFY-AS-IN Sify Limited AS6197 941 551 390 41.4% BATI-ATL - BellSouth Network Solutions, Inc AS17676 470 105 365 77.7% JPNIC-JP-ASN-BLOCK Japan Network Information Center AS6467 409 57 352 86.1% ESPIRECOMM - e.spire Communications, Inc. AS812 368 25 343 93.2% ROGERS-CABLE - Rogers Cable Inc. AS4766 605 292 313 51.7% KIXS-AS-KR Korea Telecom AS15270 338 25 313 92.6% AS-PAETEC-NET - PaeTec.net -a division of PaeTecCommunications, Inc. AS14654 292 6 286 97.9% WAYPORT - Wayport AS9498 387 108 279 72.1% BBIL-AP BHARTI BT INTERNET LTD. AS6167 331 59 272 82.2% CELLCO-PART - Cellco Partnership AS9929 320 49 271 84.7% CNCNET-CN China Netcom Corp. AS17488 334 84 250 74.9% HATHWAY-NET-AP Hathway IP Over Cable Internet AS1239 854 606 248 29.0% SPRINTLINK - Sprint AS6140 418 173 245 58.6% IMPSAT-USA - ImpSat AS18101 264 22 242 91.7% RIL-IDC Reliance Infocom Ltd Internet Data Centre, AS5668 483 242 241 49.9% AS-5668 - CenturyTel Internet Holdings, Inc. AS19115 267 27 240 89.9% CHARTER-LEBANON - Charter Communications AS1221 757 518 239 31.6% ASN-TELSTRA Telstra Pty Ltd AS2386 922 686 236 25.6% INS-AS - AT&T Data Communications Services AS6198 477 253 224 47.0% BATI-MIA - BellSouth Network Solutions, Inc AS7545 519 301 218 42.0% TPG-INTERNET-AP TPG Internet Pty Ltd AS11456 287 74 213 74.2% NUVOX - NuVox Communications, Inc. Total 18112 6656 11456 63.3% Top 30 total Possible Bogus Routes 24.246.0.0/17 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 24.246.78.0/24 AS25994 NPG-001 - NPG Cable, INC 24.246.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 64.17.32.0/24 AS13488 CBWU-13488 - Continental Broadband Florida, Inc DBA WebUnited 64.17.33.0/24 AS13488 CBWU-13488 - Continental Broadband Florida, Inc DBA WebUnited 64.17.37.0/24 AS13488 CBWU-13488 - Continental Broadband Florida, Inc DBA WebUnited 64.38.96.0/19 AS19654 HOSTING-NETWORK - HOSTING-NETWORK, INC. 64.127.128.0/17 AS19654 HOSTING-NETWORK - HOSTING-NETWORK, INC. 66.37.96.0/20 AS3764 IA-HOU-AS - Internet America, Inc. 66.117.0.0/19 AS30033 NHI-NETWORKS - NHI Networks 66.117.0.0/21 AS30033 NHI-NETWORKS - NHI Networks 66.117.8.0/24 AS174 COGENT Cogent/PSI 66.117.23.0/24 AS31972 EMGINECONCEPT-01 - Emagine Concept, Inc. 66.117.25.0/24 AS31972 EMGINECONCEPT-01 - Emagine Concept, Inc. 66.117.26.0/24 AS31972 EMGINECONCEPT-01 - Emagine Concept, Inc. 66.117.27.0/24 AS31972 EMGINECONCEPT-01 - Emagine Concept, Inc. 66.186.192.0/19 AS19654 HOSTING-NETWORK - HOSTING-NETWORK, INC. 66.187.96.0/24 AS10026 ANC Asia Netcom Corporation 66.187.100.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.101.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.102.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.103.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.104.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.105.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.106.0/24 AS18194 PMMSI-AS-AP Philippine Multi-Media 66.187.108.0/24 AS10026 ANC Asia Netcom Corporation 66.187.109.0/24 AS10026 ANC Asia Netcom Corporation 66.205.206.0/24 AS21510 TRISTAR - Tristar Communications 66.216.0.0/18 AS19654 HOSTING-NETWORK - HOSTING-NETWORK, INC. 66.235.158.0/23 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 84.253.0.0/18 AS12429 CYBERNET-CH Cybernet / CH Autonomous System 85.129.3.0/24 AS14585 CIFNET - CIFNet, Inc. 85.129.4.0/24 AS14585 CIFNET - CIFNet, Inc. 90.192.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS Project. 90.255.248.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS Project. 91.192.0.0/16 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS Project. 91.255.248.0/21 AS12654 RIPE-NCC-RIS-AS RIPE NCC RIS Project. 132.0.0.0/10 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 137.0.0.0/13 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 138.136.0.0/13 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 151.135.0.0/16 AS4763 TELSTRANZ-AS TelstraClear Ltd 158.0.0.0/13 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 163.142.0.0/16 AS2500 JPNIC-ASBLOCK-AP JPNIC 190.192.193.0/24 AS3301 TELIANET-SWEDEN TeliaNet Sweden 192.30.93.0/24 AS17757 HPAUS-AP HP Australia 192.30.94.0/24 AS17757 HPAUS-AP HP Australia 192.40.105.0/24 AS5515 SONERA-GLOBAL-IP Sonera Solution Autonomous System 192.43.230.0/24 AS7575 AARNET-AS-AP Australian Academic and Reasearch Network (AARNet) 192.44.0.0/19 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 192.44.0.0/24 AS5501 FRAUNHOFER-CLUSTER-BW Fraunhofer Gesellschaft 192.70.164.0/24 AS25689 NRCNET-AS - National Research Council of Canada 192.72.0.0/16 AS4780 SEEDNET Digital United Inc. 192.72.0.0/18 AS4780 SEEDNET Digital United Inc. 192.72.192.0/18 AS4780 SEEDNET Digital United Inc. 192.81.182.0/24 AS719 ELISA-AS Elisa Oyj 192.81.183.0/24 AS719 ELISA-AS Elisa Oyj 192.81.184.0/24 AS719 ELISA-AS Elisa Oyj 192.88.99.0/24 AS559 SWITCH SWITCH, Swiss Education and Research Network 192.96.1.0/24 AS3741 AFRINIC African Network Information Center 192.96.2.0/24 AS2018 AFRINIC African Network Information Center 192.96.3.0/24 AS3741 AFRINIC African Network Information Center 192.96.5.0/24 AS2018 AFRINIC African Network Information Center 192.96.7.0/24 AS2018 AFRINIC African Network Information Center 192.96.8.0/24 AS2018 AFRINIC African Network Information Center 192.96.10.0/24 AS3741 AFRINIC African Network Information Center 192.96.11.0/24 AS2018 AFRINIC African Network Information Center 192.96.12.0/24 AS2018 AFRINIC African Network Information Center 192.96.13.0/24 AS16637 AFRINIC African Network Information Center 192.96.14.0/24 AS16637 AFRINIC African Network Information Center 192.96.15.0/24 AS2018 AFRINIC African Network Information Center 192.96.20.0/23 AS2018 AFRINIC African Network Information Center 192.96.22.0/24 AS7460 AFRINIC African Network Information Center 192.96.25.0/24 AS6083 AFRINIC African Network Information Center 192.96.32.0/24 AS2905 UUNET-ZA uunet south africa 192.96.34.0/24 AS10474 AFRINIC African Network Information Center 192.96.36.0/24 AS5713 AFRINIC African Network Information Center 192.96.37.0/24 AS10474 AFRINIC African Network Information Center 192.96.38.0/24 AS3741 AFRINIC African Network Information Center 192.96.43.0/24 AS5713 AFRINIC African Network Information Center 192.96.46.0/24 AS3741 AFRINIC African Network Information Center 192.96.51.0/24 AS5713 AFRINIC African Network Information Center 192.96.57.0/24 AS3741 AFRINIC African Network Information Center 192.96.58.0/24 AS16416 AFRINIC African Network Information Center 192.96.81.0/24 AS3741 AFRINIC African Network Information Center 192.96.82.0/23 AS3741 AFRINIC African Network Information Center 192.96.84.0/23 AS3741 AFRINIC African Network Information Center 192.96.87.0/24 AS2905 UUNET-ZA uunet south africa 192.96.88.0/24 AS2905 UUNET-ZA uunet south africa 192.96.89.0/24 AS3741 AFRINIC African Network Information Center 192.96.90.0/23 AS3741 AFRINIC African Network Information Center 192.96.92.0/24 AS3741 AFRINIC African Network Information Center 192.96.94.0/23 AS3741 AFRINIC African Network Information Center 192.96.96.0/24 AS2905 UUNET-ZA uunet south africa 192.96.97.0/24 AS2905 UUNET-ZA uunet south africa 192.96.98.0/23 AS2905 UUNET-ZA uunet south africa 192.96.109.0/24 AS2018 AFRINIC African Network Information Center 192.96.120.0/21 AS3741 AFRINIC African Network Information Center 192.96.128.0/22 AS3741 AFRINIC African Network Information Center 192.96.132.0/24 AS3741 AFRINIC African Network Information Center 192.96.133.0/24 AS3741 AFRINIC African Network Information Center 192.96.134.0/24 AS3741 AFRINIC African Network Information Center 192.96.139.0/24 AS3741 AFRINIC African Network Information Center 192.96.140.0/24 AS2018 AFRINIC African Network Information Center 192.96.142.0/24 AS2018 AFRINIC African Network Information Center 192.96.147.0/24 AS2905 UUNET-ZA uunet south africa 192.96.150.0/24 AS3741 AFRINIC African Network Information Center 192.96.177.0/24 AS6083 AFRINIC African Network Information Center 192.96.193.0/24 AS3741 AFRINIC African Network Information Center 192.96.194.0/24 AS3741 AFRINIC African Network Information Center 192.96.247.0/24 AS2018 AFRINIC African Network Information Center 192.96.248.0/23 AS2018 AFRINIC African Network Information Center 192.96.250.0/24 AS2018 AFRINIC African Network Information Center 192.96.251.0/24 AS3741 AFRINIC African Network Information Center 192.96.252.0/24 AS2018 AFRINIC African Network Information Center 192.107.104.0/24 AS6458 GUATEL 192.119.135.0/24 AS270 PSCNI-AS - National Aeronautics and Space Administration 192.124.252.0/22 AS680 DFN-IP service G-WiN 192.133.6.0/24 AS10282 EQUANT-CEEUR EQUANT AS for Central and Eastern Europe region 192.136.53.0/24 AS8346 SONATEL-AS Autonomous System 192.153.144.0/21 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 192.172.0.0/19 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 192.188.208.0/20 AS721 DLA-ASNBLOCK-AS - DoD Network Information Center 193.16.156.0/24 AS31494 DEVICE-MOBILE-INFONETS-AS Joint Stock Company "INFONETS" 193.32.19.0/24 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 193.32.20.0/23 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 193.36.1.0/24 AS8220 COLT COLT Telecommunications 193.37.69.0/24 AS2856 BT-UK-AS BTnet UK Regional network 193.37.236.0/24 AS702 AS702 MCI EMEA - Commercial IP service provider in Europe 193.110.77.0/24 AS3356 LEVEL3 Level 3 Communications 193.110.78.0/24 AS3356 LEVEL3 Level 3 Communications 193.110.79.0/24 AS3356 LEVEL3 Level 3 Communications 193.110.97.0/24 AS3356 LEVEL3 Level 3 Communications 194.31.227.0/24 AS21461 TRANSFAIRNET Transfair-net GmbH Krefeld 194.32.174.0/23 AS8426 CLARANET-AS ClaraNET 194.59.176.0/20 AS1273 CW Cable & Wireless 194.59.178.0/24 AS8481 TRANSNET transnet INTERNET Services 194.153.156.0/24 AS24865 KMITCHELL-AS Keith Mitchell's Network 194.246.72.0/23 AS8893 ARTFILES-AS Artfiles New Media GmbH 195.10.195.0/24 AS34549 LAXIN-AS Laxin IT-Services GmbH & Co. KG 196.3.162.0/24 AS6083 AFRINIC African Network Information Center 196.6.108.0/24 AS5713 AFRINIC African Network Information Center 196.6.121.0/24 AS5713 AFRINIC African Network Information Center 196.6.129.0/24 AS12258 AFRINIC African Network Information Center 196.6.133.0/24 AS3741 AFRINIC African Network Information Center 196.6.147.0/24 AS3741 AFRINIC African Network Information Center 196.6.149.0/24 AS3741 AFRINIC African Network Information Center 196.6.150.0/24 AS3741 AFRINIC African Network Information Center 196.6.151.0/24 AS3741 AFRINIC African Network Information Center 196.6.153.0/24 AS3741 AFRINIC African Network Information Center 196.6.175.0/24 AS3741 AFRINIC African Network Information Center 196.6.176.0/23 AS3741 AFRINIC African Network Information Center 196.6.183.0/24 AS3741 AFRINIC African Network Information Center 196.6.184.0/24 AS23058 AFRINIC African Network Information Center 196.6.196.0/24 AS3741 AFRINIC African Network Information Center 196.6.198.0/24 AS2018 AFRINIC African Network Information Center 196.6.199.0/24 AS3741 AFRINIC African Network Information Center 196.6.201.0/24 AS2018 AFRINIC African Network Information Center 196.6.208.0/24 AS3741 AFRINIC African Network Information Center 196.6.211.0/24 AS3741 AFRINIC African Network Information Center 196.6.212.0/23 AS3741 AFRINIC African Network Information Center 196.6.212.0/24 AS3741 AFRINIC African Network Information Center 196.6.214.0/24 AS10474 AFRINIC African Network Information Center 196.6.221.0/24 AS2018 AFRINIC African Network Information Center 196.6.222.0/23 AS3741 AFRINIC African Network Information Center 196.6.237.0/24 AS3741 AFRINIC African Network Information Center 196.6.241.0/24 AS3741 AFRINIC African Network Information Center 196.6.243.0/24 AS3741 AFRINIC African Network Information Center 196.6.251.0/24 AS3741 AFRINIC African Network Information Center 196.6.254.0/24 AS3741 AFRINIC African Network Information Center 196.10.101.0/24 AS16637 AFRINIC African 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Network Information Center 198.136.32.0/20 AS19329 MCNET - Martin County Board of County Commissioners 198.160.171.0/24 AS7046 UUNET-CUSTOMER - UUNET Technologies, Inc. 198.161.87.0/24 AS6539 GROUPTLCOM - GT Group Telecom Services Corp. 198.163.155.0/24 AS684 MTSAL-ASN - MTS Allstream Inc. 198.167.0.0/16 AS7456 INTERHOP - Interhop Network SERVICES Inc. 198.167.163.0/24 AS15290 ALLST-15290 - Allstream Corp. 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Citizens Property Insurance Corporation 204.48.119.0/24 AS29912 CITIZENS-PROPERTY-INSURANCE-CORPORATION - Citizens Property Insurance Corporation 204.154.125.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.154.126.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 204.154.127.0/24 AS3952 TELLABS-ASN - TELLABS Operations, Inc. 205.150.0.0/15 AS701 ALTERNET-AS - UUNET Technologies, Inc. 206.108.96.0/19 AS577 BACOM - Bell Advanced Communications Inc. 206.128.104.0/21 AS11709 VIC - VIRTUAL INTERACTIVE CENTER 206.167.57.0/24 AS376 RISQ-AS - Reseau Interordinateurs Scientique Quebecois (RISQ) 206.191.64.0/18 AS15290 ALLST-15290 - Allstream Corp. Corporation Allstream 206.191.96.0/19 AS15290 ALLST-15290 - Allstream Corp. Corporation Allstream 207.231.96.0/19 AS11194 NUNETPA - NuNet Inc 208.138.48.0/20 AS6971 ESCH - Eschelon Telecommunications, Inc. 209.40.192.0/21 AS6487 CyberNet de Guatemala S.A. 209.40.200.0/21 AS6487 CyberNet de Guatemala S.A. 209.40.208.0/21 AS6487 CyberNet de Guatemala S.A. 209.40.216.0/21 AS6487 CyberNet de Guatemala S.A. 209.205.69.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.70.0/24 AS21578 Universidad autonoma de Bucaramanga 209.205.81.0/24 AS15066 SkyNet de Colombia S.A. 209.205.82.0/24 AS15066 SkyNet de Colombia S.A. 209.205.84.0/24 AS15066 SkyNet de Colombia S.A. 209.213.32.0/19 AS10629 INTERPAC - Inter-Pacific Network Services 209.251.0.0/19 AS11036 SISCOM - SISCOM, Inc 216.37.110.0/23 AS4264 CERNET-ASN-BLOCK - California Education and Research Federation Network 216.82.160.0/20 AS20481 CALYX-NL Calyx Internet B.V. Netherlands 216.96.128.0/18 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.178.37.0/24 AS3356 LEVEL3 Level 3 Communications 216.178.39.0/24 AS3356 LEVEL3 Level 3 Communications 216.178.42.0/24 AS3356 LEVEL3 Level 3 Communications 216.178.43.0/24 AS3356 LEVEL3 Level 3 Communications 216.228.64.0/21 AS6295 WHIDBEY1 - Whidbey Internet Services 216.240.240.0/20 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 216.240.242.0/24 AS7018 ATT-INTERNET4 - AT&T WorldNet Services Please see http://www.cidr-report.org for the full report ------------------------------------ Copies of this report are mailed to: nanog(a)merit.edu eof-list(a)ripe.net apops(a)apops.net routing-wg(a)ripe.net afnog(a)afnog.org

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design of a real routing v. endpoint id seperation
by Joe Maimon 21 Oct '05

21 Oct '05

This is what I meant by suggesting that source routing was an original attempt at a seperation from routing/locating and endpoint identifiers. You can replace the concept of "source routing" in below with mpls TE, l2tpv3 or any other suitable encapsulation mechanism. The concept is that there would need to be some hierarchy of global routing tables in order for routing to scale. Currently circulated ideas for independence between routing and endpoint identifier have certain modes for operation. A) - end node sends packet to destnode - destnode location is looked up in <SOMEWHERE> <--- Today that is the Global routing tables, indexed by destnode ID - sent to there Most proposals wish to replace/supplement SOMEWHERE with some amorphous protocol and/or some external VeryLargeDatabase. B) - end node sends packet to destnode - destnode location is routed through normative route table lookups - inband signalling provides other alternatives for session/transaction/conversation continuation C) - end node performs locator lookup - end node encaps - destnode decaps This could be as easy as performing IPinIP with srv records and DDNS. This is in direct contrast to all other proposals in that it is much closer to being implementable Today with Todays technology. A chunk of ipv6 space is carved off. This is assigned to multihoming desiring sites. All routers that currently carry Global Routing Tables {can | should } filter this space from their tables completely by default - except the single prefix covering the entire space. A customer with a prefix assigned from this chunk has to connect with an ISP who has * a Very Large Multihoming (to handle scaling concerns) router somewhere in its network that peers to other ISP Very Large Multihoming routers. ISP operating a VLMrouter to offer multihoming service to their customers would originate the entire multihoming space prefix to their customers AND to all their peers. These would have ALL the prefixes from the Multihoming Space. * the customer would peer with the VLMrouter, receive no routes and advertise their prefix. * source routing allowed on ingress IF the destaddr is in the multihoming space AND the route-option is the Very Large Multihoming router * source routing is allowed within the ISP network The VLMrouter would make a SOURCE routing decision, putting a source route destination to the customer. * The ISP allows egress source routed packets What this means is that there are 2 tables on the internet, the table that ALL internet routes need have (like today) and the table that only an ISP offering access to multihoming need have. The ISP offering such access would only need, say one box per POP or so. So the scaling problem becomes much smaller in scope. Now only ISP wishing to offer multihoming services need to track the multihoming table. Additionaly, the tables are actually halved, the VLMrouter need not contain the normal internet routes and vice versa. The downside is that an ISP performing as multihoming table hoster would be a magnet for traffic that would possibly transit in and out. Smaller multihoming hosting ISPs would probably try to prepend the prefix mightily, or arrange not to originate it at all, and simply receive prefix source routed from an ISP they connect to who also hosts multihoming hosting AND originates the prefix. No changes to stacks, endpoint nodes or anything else needed. (if source routing still works in ip6?) Some source routing filtering capabilities needed for border patrolling something like this config-if#ip source-routing prefix-list multihoming-prefixes access-group allowed-source-routes Joe

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The ORIGIN option on BGP - what is it for?
by Peter Boothe 21 Oct '05

21 Oct '05

What makes you mark routes as ORIGIN: IGP vs ORIGIN: EGP? I just checked out the latest routeviews snapshot to see what the origins of various routes were set to. The command line $ bzcat oix-full-snapshot-latest.dat.bz2 | sed -e 's/.* //' | sort \ | uniq -c | sort -nk1 Gave me a bunch of crap from overly-long lines, and then 9091 e 682087 ? 7560175 i Which means that out of 8,251,353 routes in routeviews, only 9,091 are marked as ORIGIN: EGP, while 682,087 are not configured as one or the other, and the other *7.5 million* are marked ORIGIN: IGP. So my question is: What do people use ORIGIN: EGP vs ORIGIN: IGP to distinguish? What makes a route EGP vs. IGP to you? -Peter -- Peter Boothe Graduate Student in Computer Science Beyond BGP Project University of Oregon http://soy.dyndns.org/~peter

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RE: Level3 problems
by David Hubbard 21 Oct '05

21 Oct '05

Anyone get anything useful out of L3 yet? Dave From: John van Oppen (list account) [mailto:john-lists@vanoppen.com] > > I am getting fast busy signals on all my Washington based > level3 DID numbers at the moment... > > A level3 full peer up here seems to only seek 68k routes... > not so good (thankfully that was not on my network). > > > John :) > > -----Ursprüngliche Nachricht----- > Von: David Hubbard [mailto:dhubbard@dino.hostasaurus.com] > Gesendet: Thursday, October 20, 2005 11:54 PM > An: nanog(a)nanog.org > Betreff: RE: Level3 problems > > > From: owner-nanog(a)merit.edu [mailto:owner-nanog@merit.edu] On > > > > On Fri, Oct 21, 2005 at 02:28:23AM -0400, Richard A > Steenbergen wrote: > > > > > > On Fri, Oct 21, 2005 at 09:26:06AM +0300, Emilian Ursu wrote: > > > > > > > > I see its completely down and several others are starting > > > > to have problems. > > > > Anyone knows whats up ? > > > > > > I think everyone sees them completely down across the board > > (even mpls > > > transport services), been that way for about 30 mins now. :) > > > > All of Speakeasy outbound SF (and possible other locations) is down, > > after being on hold with them, they are saying Level3 and > not further > > information yet. > > > > I'm sure Cogent is getting a kick out of this. :-) > Our L3 link started having serious issues at about 1:45 EST > and we turned it off. It seemed like an eternity for them > to withdraw our routes from their peers though so they > must be having some serious issues. From home on Verizon > FIOS they seem to be trying to push most of their traffic > onto their Level 3 link in Atlanta which is making me > unable to get to Google and a few other big sites. > > For those with L3 that want to call them, they have parent > ticket 1429209 open on this issue but you won't get any info > yet so I'd give them some time. > > Dave > >

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