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NANOG 16 HOTEL
by Pam Ciesla 09 Apr '99

09 Apr '99

Reminder the room block for NANOG 16 at the Eugene Hilton ends Thursday, 4/22. The phone number for the Hilton is 541-342-2000. Hotel and other info can be found on webpage http://www.nanog.org. Any questions please contact me. Thanks Pam Pam Ciesla Merit Network,Inc. 734-936-0172 - phone 4251 Plymouth Road 734-647-3185 Bldg.I, Suite C pam(a)merit.edu Ann Arbor, MI 48107

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RE: Cisco Route filtering [was Re: OPS: BGP spew from ASN 7374]
by Martin, Christian 09 Apr '99

09 Apr '99

> I've had a question on this for some time that maybe can get answered > here. > > Let's assume for a moment that I have a network of 209.123/18 > (1/4 of a > classful B). > > Let's further assume that my upstream filters me with: > > access-list 2002 permit ip host 209.123.0.0 host 255.255.0.0 > neigh 2.3.4.5 distrib 2002 in > > Will my /18 announcement make it through this /16 filter? No. The ACL specifies an exact match. > Would the same be true with a prefix-length filter, which I assume the > syntax would be: > > ip prefix-list 1 permit 209.123.0.0/16 > neigh 2.3.4.5 prefix-list 1 in > Same deal. Chris

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Re: OPS: BGP spew from ASN 7374
by Sean Donelan 08 Apr '99

08 Apr '99

"Brian Dickson" <briand(a)teleglobe.net> writes: >Anyone who peers with the CIX and doesn't filter (or peers with anyone and >doesn't filter) gets what they deserve. At a minimum, as-path filtering; >preferably, prefix filtering based on RADB registrations. IMHO. Yeah, I know. I deserved that. For reasons best discussed only after consuming large quantities of beer, I hadn't filtered that BGP session. A ticking time bomb that finally went off. With the end of ANS as a seperate network, will there be any network pressure to keep any public routing registry up to date? >But yes, memory, even NVRAM, isn't so expensive, and it would be nice >if this were at least field-replaceable or upgradeable (eg, first chip >is soldered to the board, but with empty sockets for add-on NVRAM.) I'd even be willing Cisco memory prices for that!!! ========== Also a reminder, the electric power industry will be conducting a Y2K drill on Friday, April 9, 1999. This is not expected to affect end-customer's electrical service. ftp://ftp.nerc.com/pub/sys/all_updl/docs/pressrel/4-9-99-drillreminder.pdf Next week, April 14, the FCC NRIC committee will be reviewing the telephone industry Y2K tests. http://www.nric.org/ I'm looking forward to the end of 1999. It means no more Y2K presentations. -- Sean Donelan, Data Research Associates, Inc, St. Louis, MO Affiliation given for identification not representation

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Re: IRRs [was Re: OPS: BGP spew from ASN 7374]
by jprovo＠ma.ultranet.com 08 Apr '99

08 Apr '99

The subject line is misleading; "the IRR" is a single amalgam of several RRs. Dan Senie wrote: >If common and consistent tools and rules were used to build filters from >a SINGLE public database, and if the database site listed contact >information and test addresses for each network using the database, I >think folks could live with that. The IRR is supposed to be merged of all the regional RRs and be a 'single DBs', but with each registry-user (regional RR) getting to chose its 'preference' for duplicated objects and essentially search order. The issues with ANS and 'radical changes' have at least been consistant since the migration from the PRDB. How the ARIN RR is supposed to fit in appears to remain ambiguous; it seems like it needs to be just another regional RR, but data exists within the ARIN RR that is not being melded into the IRR at any point at which I can inquire. There is also no discussion about the migration, mirroring, etc of the RA-registered data that "rightfully" lives under the ARIN sphere of influence. Anyway, Merit has a partial, growing list of RRs living at http://www.merit.edu/radb/list.html Sean Donelan wrote: >With the end of ANS as a seperate network, will there be any network >pressure to keep any public routing registry up to date? I would believe it would be hard for CW to migrate away from the 'heavy pressure' of the former MCI policies. infopage.cw.net seems to have been updated more than just "s/mci/cw/". I do note that the "which routing registry" subsection only lists the RA, CA*NET, and RIPE in addition to CW; no mention of APNIC, CCAIR, JPNIC, KRNIC, TWNIC, BellCA or LEVEL3. Cheers, Joe -- Joe Provo, Manager 508.229.8400 x 3006 Interconnections and Technology Evaluation Fax 508.229.2375 Technology & Network Development, RCN <joe.provo(a)rcn.com>

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New Network Administration Message Board
by Hypercube Webmaster 08 Apr '99

08 Apr '99

Come check out the newest Network Administrators Message Board at: Hypercube Bulletin Board http://www.hypercube.net/cgi-bin/Ultimate.cgi?action=intro -------------- Hypercube Graphix info(a)hypercube.net http:/www.hypercube.net

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Time is MONEY !!!
by Stone 07 Apr '99

07 Apr '99

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RE: BGP spew from ASN 7374
by Martin, Christian 07 Apr '99

07 Apr '99

Sean Donelan wrote: >Cisco: could we please have more config memory, so we can load access-lists >for even huge BGP peers? service compress-config boot buffersize 1000000 Have allowed me to scale an extended MAC address ACL (1100) to over 7000 entries with plenty to spare (don't ask why). What needs to be enhanced is the 'grep' capabilities introduced in 20CC. We need extended regular expression matching. The pipe is nice, but not enough... Of course, 512k of NVRAM wouldn't hurt. ;) Chris >-- >Sean Donelan, Data Research Associates, Inc, St. Louis, MO > Affiliation given for identification not representation

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7374 leak at CIX fixed ... apology
by Matt Hempel 07 Apr '99

07 Apr '99

This was my mistake ... I forgot the outgoing ^$ filter on my announcement. I guess I was overwhelmed by the excitement of all those 701 routes. Unfortunately, I was out of the office and my routing partner is out of the country so the leak lasted almost two hours. And of course the one time there wasn't someone on the other end to sanity check my announcements, I missed. Again, my apologies. The problem should be ratified. --matt hempel

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heads up: 1280_7374_ prefixed route leaks
by Sanjay Dani 07 Apr '99

07 Apr '99

I saw 7374 leak a whole bunch of routes via CIX (1280) a few minutes ago. These included routes to 1 and 174. If you talk to the CIX router and these made through your filters, you may want to fix it. The two phone numbers I have for this ISP are disconnected.

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Chicago AADS
by Vinny India 06 Apr '99

06 Apr '99

Thanks for the responses, I called the NOC and they put me in touch with Kevin and he is looking into it for me.

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