Re: US patent 5473599

2014-05-07 Thread Eygene Ryabinkin
Constantine, Tue, May 06, 2014 at 06:11:04PM -0700, Constantine A. Murenin wrote: On 6 May 2014 15:17, David Conrad d...@virtualized.org wrote: Except it wasn't useless: it was, in fact, in use by VRRP. Further, the OpenBSD developers chose to squat on 240 for pfsync - a number that has

Re: Low BW between Mountain View and OR -- why?

2015-02-16 Thread Eygene Ryabinkin
answer. Can somebody here tell me why such a drastic fluctuation is seen? No answers here, sorry, just some hints and possibilities. -- Eygene Ryabinkin, National Research Centre Kurchatov Institute Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows

Re: Interesting BFD discussion on reddit

2015-02-16 Thread Eygene Ryabinkin
is either trivial or useless, sorry. TSO, frame checksums and other stuff hadn't been implemented in-hardware for ages, but now it is here and there all the time. And /me is interested why can't BFD be done on the interface chip level: it is point-to-point on L2 for the majority of cases. -- Eygene

Re: Broken SSL cert caused by router?

2015-03-26 Thread Eygene Ryabinkin
can do that. Look for it's configuration, DPI for HTTPS must be active. -- Eygene Ryabinkin, National Research Centre Kurchatov Institute Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.

Re: Frontier: Blocking port 22 because of illegal files?

2015-03-25 Thread Eygene Ryabinkin
that there are - port 21 that allow users to give commands to examine the existence and initiate transfers of illegal files; - ports 1025 - 65535 that allow users to create data streams to actually transfer illegal files in an (oh my) passive mode. ;) -- Eygene Ryabinkin, National Research Centre

Re: IPv6 is better than ipv4

2016-06-02 Thread Eygene Ryabinkin
default... What's your point? Does their technical reasoning or proving grounds for it lacking the needed expertise/experience due to the problems you're describing? Any other thigs you can say about the actual study? -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Alway

Re: LACP Frames / Level3 Transport

2016-05-25 Thread Eygene Ryabinkin
(tx was going to, say, port A and rx -- to port B, but overall all ports were receiving tx and rx) and 3 hours for rewiring and swearing: probably I am more skilled in the former than in the latter ;) Thought that you had checked this in the first place; my bad. Thanks for sharing! -- Eyge

Re: Strange Problem with 16 byte packets

2016-06-16 Thread Eygene Ryabinkin
1 MB of data. In that case i saw no issues. Any idea if there is a > firewall setting that could be coming into play here? Collect TCP dumps from both sides, come back and show that (or analyze yourself ;) -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always co

Re: DataCenter color-coding cabling schema

2016-03-14 Thread Eygene Ryabinkin
pine modules (that's InfiniBand fabric) and other operations without labels being ruined in any way. -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.

Re: Latency, TCP ACKs and upload needs

2016-04-22 Thread Eygene Ryabinkin
ry. And, of course, packet loss can turn down this BDP-derived speed drastically. -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live. signature.asc Description: PGP signature

Re: LACP Frames / Level3 Transport

2016-05-24 Thread Eygene Ryabinkin
ll be greatly appreciated. Cisco Q-in-Q implementation in some configurations (details are blurry, since our provider turned to X-connect quite fast). Also VPLS implementation in (older) EXOS releases (Extreme Networks), https://gtacknowledge.extremenetworks.com/articles/Solution/Layer-2-Control-packet

Re: NIST NTP servers

2016-05-11 Thread Eygene Ryabinkin
t it will give an unneeded resonance and could lead to the terrible mess. [1] http://www.gps.gov/technical/codeless/ -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.

Re: NIST NTP servers

2016-05-11 Thread Eygene Ryabinkin
ogs are sent to a unix server that does > syslogd the log entries would go into the file > in order no matter what timestamp is on them. Modulo latencies and jitter from different machines to the log server. Millisecond precision can be harmed by this, easily. Especially by jitter and order of mil

Re: sub $500-750 CPE firewall for voip-centric application

2016-05-08 Thread Eygene Ryabinkin
elying on the existing recipes. And there are not sufficient others of the big $SCALE :( [1] Something I'm trying to find the time for the past 5-6 years, should finally do that. -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always code as if the guy who ends up maintaining your cod

Re: Krebs on Security booted off Akamai network after DDoS attack proves pricey

2016-09-27 Thread Eygene Ryabinkin
Sun, Sep 25, 2016 at 05:57:42PM -0400, Patrick W. Gilmore wrote: > Remember University of Wisconsin vs. D-Link and their hard-coded > NTP server address? UW vs Netgear and Poul-Henning Kamp vs D-Link, both on NTP stuff? -- Eygene Ryabinkin, National Research Centre "Kurchatov Institu

ARIN contact needed: something bad happens with legacy IPv4 block's reverse delegations

2017-03-17 Thread Eygene Ryabinkin
e zone being unavailable isn't the stuff that is to be handled in 5x8 or alike. If anybody knows what happened, can point me to my errors in assertions or give an e-mail/phone of 24x7-like person or service at ARIN -- will be tremendous. Thanks! -- Eygene Ryabinkin, National Research Centre "

Re: [NOC] ARIN contact needed: something bad happens with legacy IPv4 block's reverse delegations

2017-03-17 Thread Eygene Ryabinkin
ic.net) in 347 ms }}} since it is APNIC who respond to queries about it. Any more specific reverse records that are cross ARIN and die there from 171.x.y.z? -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always code as if the guy who ends up maintaining your code w

Re: [NOC] ARIN contact needed: something bad happens with legacy IPv4 block's reverse delegations

2017-03-17 Thread Eygene Ryabinkin
my guts feel that this is the local issue at rrcki.ru. Thanks again! And for a nicely-written summary -- too. -- Eygene Ryabinkin, National Research Centre "Kurchatov Institute" Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.