[routing-wg]routing table growth
- Previous message (by thread): [routing-wg]routing table growth
- Next message (by thread): [routing-wg]routing table growth
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Hank Nussbacher
hank at efes.iucc.ac.il
Wed Jan 18 06:30:41 CET 2006
On Tue, 17 Jan 2006, Nikolay Datchev wrote: No one. You ask politely. Either they will cooperate or not. I believe that is the basis of the Internet. :-) -Hank > 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. > >> > > > > +++++++++++++++++++++++++++++++++++++++++++ > This Mail Was Scanned By Mail-seCure System > at the Tel-Aviv University CC. >
- Previous message (by thread): [routing-wg]routing table growth
- Next message (by thread): [routing-wg]routing table growth
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]