Re: Realistic number of hosts for a /64 subnet?

2019-05-14 Thread Yannis Nikolopoulos
On 5/10/19 2:10 PM, Gert Doering wrote: Hi, On Fri, May 10, 2019 at 01:07:44PM +0200, H.Zuleger wrote: (The whole reason why /64 semeed a good idea back then was CGA and "we can make it work with EUI-64 on IEEE-1394 devices!", of which CGA never truly happened, EUI-64 based on MAC addresses

IPv6-related (?) Bind issue

2014-03-06 Thread Yannis Nikolopoulos
Hello all, we've encountered a weird problem on our dual-stack (anycast) resolvers and I'm wondering if anyone else has experienced anything similar. Basically, we're getting many SERVFAIL responses for domains not in cache. The weird part: if the domain does not exist in the cache, a

Google-blacklisted IPv6 DNS servers

2014-04-11 Thread Yannis Nikolopoulos
hello, I vaguely remember of such a list being publicly available. Does anyone have a clue or am I imagining things? cheers, Yannis

Re: Google-blacklisted IPv6 DNS servers

2014-04-11 Thread Yannis Nikolopoulos
On 04/11/2014 03:55 PM, Phil Mayers wrote: On 11 April 2014 13:12:52 BST, Yannis Nikolopoulos d...@otenet.gr wrote: hello, I vaguely remember of such a list being publicly available. Does anyone have a clue or am I imagining things? cheers, Yannis Google for no_

Re: IPv6 packets with HBH

2014-07-18 Thread Yannis Nikolopoulos
Hope that this belated reply helps -éric On 5/07/14 15:27, Yannis Nikolopoulos d...@otenet.gr wrote: On 07/04/2014 11:43 PM, Brian E Carpenter wrote: On 05/07/2014 04:05, Yannis Nikolopoulos wrote: hello, how do people handle packets with HBH present? Since their use is a potential attack

Re: Some very nice IPv6 growth as measured by Google

2014-11-08 Thread Yannis Nikolopoulos
On 11/03/2014 10:25 AM, Geoff Huston wrote: On 3 Nov 2014, at 6:43 pm, Eric Vyncke (evyncke) evyn...@cisco.com wrote: [As a side note, it seems that the European 'google' statistics are now more in line with the expectation] Several countries have recently made good progress dixit Google

IPv6-only residential service (MAP, lw4o6)

2014-12-05 Thread Yannis Nikolopoulos
Hello all, I'm wondering, have people deployed IPv6-only residential services? I know of a couple of DS-lite implementations, but we'd be more interested to hear about network operators deploying either MAP or lightweight 4over6 (not just trials though, but actual commercial services)

Re: IPv6-only residential service (MAP, lw4o6)

2014-12-05 Thread Yannis Nikolopoulos
On 12/05/2014 04:32 PM, Ignatios Souvatzis wrote: On Fri, Dec 05, 2014 at 03:30:41PM +0200, Yannis Nikolopoulos wrote: But I guess this sort of access is not what you had in mind... -is you're right :) cheers, Yannis

Re: IPv6 QUIC traffic

2015-06-04 Thread Yannis Nikolopoulos
On 06/04/2015 06:03 PM, Dominik Bay wrote: On 06/04/2015 04:00 PM, Yannis Nikolopoulos wrote: On 06/04/2015 01:08 PM, michalis.bersi...@hq.cyta.gr wrote: From our side we have seen lots of IPv4 traffic from sources originated from AS15169 (UDP port 443) .We are using netflow to identify