[routing-wg]routing table growth
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Nikolay Datchev
nik at varna.net
Tue Jan 17 21:48:33 CET 2006
Who will give us the right to ask people to change their working configs ? -- Nikolay Datchev On Tue, 17 Jan 2006, Hank Nussbacher wrote: > On Tue, 17 Jan 2006, Nikolay Datchev wrote: > >> I'm glad to know that i'm not the only one who does a >> show ip bgp regexp _6(4|5)..._ and does care of it. > > Much easier to scroll down to the bottom of: > http://bgp.potaroo.net/cidr/#Bogons > > Incidentally, I've been on IHUG now for over 2 months and about 1 email a > week. Some cases are just very hard to crack. I have now approached > their upstream - Asiatelecom. > >> >> So, this is lot of work, and let's abandon it... No. Lot of networks are >> taken over by another company, and lot of configurations are just >> "legacy". - the lazyness and the reason "it works, don't touch" are almost >> everywhere. It's full in my country with such networks. Having a VALID >> reason to deaggregate is OK, i'm also doing this. But "avoiding >> blackholing" is not a valid reason. >> >> Of course, if you just email to someone and say "please, aggregate", most >> of people will think "yeah, right now..." and just ignore it. But if >> RIR-authorized person says "I'm from RIPE working group. I cannot see a >> valid reason to not aggregate these networks. Please aggregate, or give a >> valid reason to deaggregate, or some day you will suffer from peer >> pressure", it's a different case. Especially with LIR's. > > When I did it, Barry Greene and others volunteered their time to review > configs to help ISPs fix their leakages that they may not have known how > to do. The problem is those that leak because they want to leak. > > To be successful, one has to not only notify the leaker but also be > prepared to help him/her with their Junos/IOS configs. > > Get 4-5 people willing to volunteer 5-10 hours per month and I'm on board. > > Regards, > Hank > >> >> -- Nikolay Datchev >> >> On Tue, 17 Jan 2006, Hank Nussbacher wrote: >> >>> On Tue, 17 Jan 2006, Nikolay Datchev wrote: >>> >>> Been there. Done that. See Oct 2002 NANOG presentation: >>> http://www.nanog.org/mtg-0302/cidr.html >>> >>> I currently have been attacking Bogon ASNs (AS64xxx) and have managed to >>> get almost all removed over a period of 4 months. Tackling the prefix >>> deaggregators is a much larger task and would need 3-4 dedicated >>> volunteers in order to begin. And one can always email to some unknown >>> whois contact. Almost all are friendly and some will say 'sorry, I >>> deaggregate for the following reason..." and not much can be done to >>> change their minds. >>> >>> -Hank >>> >>>> Hello group, >>>> >>>> I want to raise up again the question about world BGP routing table. I >>>> don't know what is the result after last discussion (Oct.2005), but maybe >>>> peer pressure is not the only way to follow regarding the solution. What a >>>> big transit provider can do about customers of it's customer, which >>>> politics is "i pay, so i want to do what i want with my AS/prefixes"? I >>>> know network administrator, who says "I advertise all my networks as /24's >>>> (few /19's...), just because i don't want somebody else to be able to >>>> advertise them as more specifics and blackhole me - this is our security >>>> policy". There are others, whit PA space, not multihomed, but with own AS >>>> number, advertising specific networks just because "it's cool to use my AS >>>> number". Or even worse - the combination of the two mentioned above. >>>> Also, there are administrators who don't know about aggregating - "I got >>>> my 8 class C networks from my LIR, and i advertise them one by one". >>>> >>>> We have tools like CIDR-repors. Think about this scenario: volunteers >>>> spending few hours per week and catching such networks, contacting via >>>> email the network administrators, and ask them to aggregate. I have >>>> success with this, but only for administrators that i know personally. >>>> But i feel inconvenience to contact other people and to say them "Why you >>>> don't aggregate your networks? Help for stopping routing table growth!" >>>> It sounds sluggish, but it's more than nothing. >>>> >>>> >>>> +++++++++++++++++++++++++++++++++++++++++++ >>>> This Mail Was Scanned By Mail-seCure System >>>> at the Tel-Aviv University CC. >>>> >>> >> >> +++++++++++++++++++++++++++++++++++++++++++ >> This Mail Was Scanned By Mail-seCure System >> at the Tel-Aviv University CC. >> >
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