> I'm aware of some (regular?) depeering issues. The NANOG archives have
AFAIR, there has never been a black-holing, just disappearance of routes. If
you are properly multihomed, this is irrelevant and you continue to eat your
ice cream and chuckle while they fight it out. It's amusing, really.
On 6/15/2009 4:45 PM, Erik Fichtner wrote:
Erik Fichtner wrote:
http://status.twitter.com/post/124145031/maintenance-window-tonight-9-45p-pacific
I am reading it wrong, partially. It's NTT America, not Verio. Missed a layer.
Anyway...
I know they're not actually making any
s seeing the use
Twitter is getting from a political perspective.
Alex Thurlow
Blastro Networks
http://www.blastro.com
http://www.roxwel.com
http://www.yallwire.com
On 6/16/2009 10:03 AM, Chris Woodfield wrote:
What's interesting is that the !NANOG part of the universe presumes
the main
to the Swedish government on IT policy since 2003. In the
interview, he makes a note about the American government as well.
I hope you enjoy it. If you have feedback on specific topics you would
like to see covered in future interviews, please let us know. We
appreciate your comments.
Alex
n on legacy
Wiltel stuff under Level 3.
Alex Thurlow
Blastro Networks
http://www.blastro.com
http://www.roxwel.com
http://www.yallwire.com
On 7/2/2009 10:01 AM, David Hubbard wrote:
From: nanog@nanog.org
We're not very happy with Level3 anymore either, terrible support, no
RFO is
have interviews with Google up soon, as well as XS4ALL; the
dutch ADSL provider who started rolling out IPv6 capable CPEs.
Enjoy,
Alex
.
http://www.youtube.com/watch?v=vFwStbTpr6E
Cheers,
Alex Band
RIPE NCC
Facebook seems to also be affected.
-Original Message-
From: R. Benjamin Kessler
To: nanog@nanog.org
Subject: cisco.com
Date: Tue, 4 Aug 2009 09:34:46 -0400
Hey Gang -
I'm unable to get to cisco.com from multiple places on the 'net
(including downforeveryoneorjustme.com); any ideas
edish government this week, which
we'll be editing shortly. If you want specific topics to be covered,
or there are specific people or industry players we should talk to in
future interviews, please let me know and we'll try to get them in
front of a camera.
Enjoy,
Alex
. Marco talks about how they got
in touch with them, how they handle the spec and the issues, and how
the project gained traction when the Sales department got interested.
Enjoy,
-Alex
Jim Wininger wrote:
Anyone else seeing issues with gmail?
More specifically?
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
RC vs. the rest of the world?
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
rth solving under present circumstances.
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
quot;, this sort of move could obviously only happen if
appropriate AUP sections were added into to the contracts (which I don't see
happening). In the interm? This seems like a golden opportunity to gather
some serious intel.
Thoughts?
Regards,
Alex Lanstein
___
verlapping substitute.
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
fail? Seriously; if you're talking about a passive connection
(optical or electrical) like a patch panel, I'd expect it to keep going
forever unless someone damages it.
That's truly wishful thinking, as are the assumptions that insulate it
from damaging factors. Nothing lasts for
email to colleagues that work with voice systems or to a voice
operators group if you are a member of one.
Well, what do you presume to be entailed in "TDM?" ISDN is not
necessarily implied. You could analyse E&M wink on D4 superframe. ;)
Much simpler.
--
Alex Balashov -
whichever carrier?
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
possibility that
there are different jurisdictional rules or service terms in force
from your own.
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Patrick W. Gilmore wrote:
On Oct 5, 2009, at 11:10 AM, Alex Balashov wrote:
Patrick W. Gilmore wrote:
On Oct 5, 2009, at 10:46 AM, Leland Vandervort wrote:
Would anyone happen to have an operations contact at Facebook by
anychance? Our systems are being overwhelmed by a facebook application
from the fact that the payload
is encrypted - that it makes a good fit.
It's also open-source and free.
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Fred Baker wrote:
On Oct 21, 2009, at 4:36 PM, Alex Balashov wrote:
It is precisely because the traffic has no signature distinguishable
from normal application traffic
oh my goodness. You're behind on your reading...
I didn't mean DPI. I meant in a way that can be inferre
, Oct 21, 2009, Alex Balashov wrote:
oh my goodness. You're behind on your reading...
I didn't mean DPI. I meant in a way that can be inferred from the
headers themselves, and aside from the port number.
You don't think that statistical analysis of traffic patterns
of y
ystem were
highly distributed.
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Thought-provoking article by Paul Vixie:
http://queue.acm.org/detail.cfm?id=1647302
--
Alex Balashov - Principal
Evariste Systems
Web : http://www.evaristesys.com/
Tel : (+1) (678) 954-0670
Direct : (+1) (678) 954-0671
Dave Temkin wrote:
Alex Balashov wrote:
Thought-provoking article by Paul Vixie:
http://queue.acm.org/detail.cfm?id=1647302
I doubt Henry Ford would appreciate the Mustang.
I don't think that is a very accurate analogy, and in any case, the
argument is not that we should immedi
When I write applications that make DNS queries, I expect the request
to turn NXDOMAIN if the host does not exist - HTTP as well as
non-HTTP, but especially non-HTTP.
Anything else is COMPLETELY UNACCEPTABLE. I don't understand how or
why this could possibly be controversial.
--
I only quickly read this, but have the following question, should google
like to answer it...
Of the six datacenters, where are they all physically located?
Someone should get on the bandwagon of having a PUE standard that is
climate based. A PUE of 1.3 in the Caribbean is way impressive than 1.3
> Google not counting electricity losses from power cords etc gives the
> image that it doesn't really want to account everything and want to
> skew the numbers as much as possible.
I don't agree with this.
It is commonly accepted that when computing DCIE/PUE, the point of
"demarcation" (used th
> So why do SPs keep depeering Cogent? Serious question, why? I'm not
> aware of any Intercage-like issues with them. I've actually considered
> them as a potential upstream when we expand into a market they serve.
Because some SP's still have a sour taste in their mouth about what Cogent did
of days, but don't seem to have had made
much progress.
Does anyone have any suggestions as to what could be causing this, or a
contact at AT&T who might be able to assist?
Thanks,
Alex
, Alex; nanog@nanog.org
Subject: Re: AT&T routing issue
:In short yes. AT&T uses a customer specific access list to perform a
:uRPF like function. That is, if your provider did not request for
:their provider to have AT&T update their filter.
Indeed. We've used ATT MIS for ma
> I deliberated for a while on whether to send this, or not, but I figure
> it might be of interest to this community:
>
> http://techliberation.com/2008/12/04/telecom-collapse/
Good god. If there is even the mention of a LEC bailout, I am going to go
insane and probably shoot someone (those w
> The AT&T (BellSouth) remotes around here installed in the last 10 years
> or so typically have natural gas generators installed, and the COs have
> a pair of generators for redundancy. Even many of the cell towers have
> generators. The telco infrastructure is pretty well backed up (I don't
> k
And it gets better:
AT&T to reduce workforce by 12,000 - AT&T Inc. will layoff 12,000 of its
employees, or 4 percent of its total workforce, in response to recent economic
pressures.
Sprint/Nextel has had negative net income of $326mm, $829mm, and $505mm for the
last three quarters.
Verizon s
I wonder if having a spare card there would have been cheaper than this outage
and resulting flights and labour?
>
> Yup, there is a defective card in the Bahamas. They should be flying in
> this
> morning to have it replaced.
> It's been out since yesterday evening.
>
iptables rules, and
I've hit 1.2 Gbps with no problems. At this point, I just don't have
anything behind the router to push more than that.
--
Alex Thurlow
Blastro Networks
http://www.blastro.com
http://www.roxwel.com
http://www.yallwire.com
Chris wrote:
> You've given me lo
ounds like he's getting Ethernet from his provider though, so this
probably isn't an issue.
--
Alex Thurlow
Blastro Networks
http://www.blastro.com
http://www.roxwel.com
http://www.yallwire.com
0n Tue, Mar 31, 2009 at 09:22:32AM -0400, Steven M. Bellovin wrote:
Honeynet Project has released Know Your Enemy: Containing Conficker:
Our "Know Your Enemy: Containing Conficker" whitepaper was released on March
30th as a PDF only. You can download the full paper from the link belo
ms !H
Alex Thurlow
Blastro Networks
http://www.blastro.com
http://www.roxwel.com
http://www.yallwire.com
On 4/15/2009 2:49 PM, Dixon, Justin wrote:
-Original Message-
From: J. Oquendo [mailto:s...@infiltrated.net]
Sent: Wednesday, April 15, 2009 15:36
To: nanog@nanog.org
Subject
> > Sad that the little Telcove DC here in Lancaster, PA, that Level3
> > bought a few months ago, has weekly full-on generator tests where
> > 100% of the load is transferred to the generator, while apparently
> > large DCs that are charging premium rates, do not.
>
> Perhaps they do. Wouldn't
s instead of stripping/bouncing/whatever.
If you'd like to discuss mailing list operations, you should do it on
[EMAIL PROTECTED], not here.
Thanks
-alex [MLC chair]
___
NANOG mailing list
NANOG@nanog.org
http://mailman.nanog.org/mailman/listinfo/nanog
etwork neutrality (this has been discussed to death here) - unless you
have something poignant to add and you've read in detail what has been
said previously.
* Anything political that does not have operational impact.
* Anything legal that does not have operational impact.
On-topic:
* Operational impact of legal/political/financial external constraints.
-alex
___
NANOG mailing list
NANOG@nanog.org
http://mailman.nanog.org/mailman/listinfo/nanog
27;ll find that
they're mostly 1-1.5 Mbps. TV will stay much higher quality than that,
but if people are watching from their PCs, I think you'll see much more
compression going on, given that the hardware processing it has a lot
more horsepower.
--
Alex Thurlow
Technical Director
Blastro Networks
___
NANOG mailing list
NANOG@nanog.org
http://mailman.nanog.org/mailman/listinfo/nanog
y et al):
http://www.nanog.org/mtg-0606/pdf/lightning-talks/4-pilosov.pdf
http://www.nanog.org/mtg-0610/presenter-pdfs/pilosov.pdf
-alex
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did anyone *have* real problems
deploying duct tape systems, or power jitter chromatic dispersion is
vendor mumbo jumbo designed to make you buy their gear?
(within the distance limits spec'd, 80km dwdm etc)
-alex
___
NANOG mailing list
NANOG@nanog.org
http://mailman.nanog.org/mailman/listinfo/nanog
> I hate to break the news to the New York bashers, but New York is one of
> the safest American cities. This is not a controversial statement.
While I generally agree with what Rod is saying, saying "NYC is safe" is
like saying "all routers are cisco"
There are safe areas, and there are not safe
> I hate to break the news to the New York bashers, but New York is one
of
> the safest American cities. This is not a controversial statement.
While I generally agree with what Rod is saying, saying "NYC is safe" is
like saying "all routers are cisco"
There are safe areas, and there are not safe
We've started using ControlByWeb, specifically
http://www.controlbyweb.com/temperature/index.html .. POE, and handles
four probes. We just don't use their probes, we buy them elsewhere (it's
plain old one wire).
> -Original Message-
> From: Mike Tancsa [mailto:[EMAIL PROTECTED]
> Sent: F
e, but you can also buy support or install service from them.
--
Alex Thurlow
Technical Director
Blastro Networks
We operate a transit box, and there are still quite a few of them out
there. Pushing hundreds and hundreds of megs.
http://news.anthologeek.net/
> -Original Message-
> From: Edward B. DREGER [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, August 06, 2008 2:48 PM
> To: Robert E. Seastrom
>
I am looking for a Comcast tech to help us solve what may be a simple issue.
Normal channels have failed.
Find me at [EMAIL PROTECTED] please .. thanks!
*) Filtering your customers using IRR is a requirement, however, it is not
a solution - in fact, in the demonstration, we registered the /24 prefix
we hijacked in IRR. RIRs need to integrate the allocation data with their
IRR data.
-alex [your former moderator]
On Thu, 28 Aug 2008, Brian Dickson wrote:
> However, if *AS-path* filtering is done based on IRR data, specifically
> on the as-sets of customers and customers' customers etc., then the
> attack *can* be prevented.
>
> The as-path prepending depends on upstreams and their peers accepting
> the pr
e than
temperature-stabilized DWDM optics.
c) The demand is currently for amplifiable DWDM optics.
-alex
de" of the band as well, and you can
use LX4 concurrently with LR.
There are some more ghetto fabulous things you can do, described in
http://www.nanog.org/mtg-0610/presenter-pdfs/pilosov.pdf ;)
-alex
On Sun, 7 Sep 2008, Bradley Urberg-Carlson, VISI wrote:
>I've wondered if one could shoot with DWDM 10G optics into two channels
>of a CWDM mux. For example, by connecting DWDM channel 359 (center
>1530.33 nm) and 334 (center 1550.12 nm) to the 1530/1550 filters of a
>CWDM mux wit
soon. At the moment, it can be made
with own bash-script and permanent link to results.
Regards, Alex
2009/12/3 Justin Shore
> Does anyone know of any tools that can do repeated traceroutes over time to
> a remote IP and log the results for later viewing/comparison? I'd like to
> d
, Groningen
Ireland, Dublin
United Kingdom, London
(anywhere else?)
Here you can check ping distance to 8.8.8.8 from the servers all over the
world:
http://www.wipmania.com/ping/cache/8.8.8.8/?c=f4335d8443172
Regards, Alex
2009/12/3 Eduardo A. Suárez
> Hi,
>
> now Google DNS, anything more?
&
s.comcanonical name = adservices.google.com.
adservices.google.com canonical name = adservices.l.google.com.
Name: adservices.l.google.com
Address: 74.125.19.96
Regards,
Alex Lanstein
FireEye, Inc.
From: William Pitcock [neno...@systeminplace.net
of 85.255.112.0/20 were not being
advertised, and hence the dns hijacking pointing selected http traffic to
67.210.0.0/20 wasn't happening.
My point was that it (fairly) recently started being advertised again, and it
was the same old song and dance wrt dns/http hijacking/fraud.
Reg
y claim it was a downstream customer and that they've fixed the issue,
when really it's their own stuff that they shuffle around.
Regards,
Alex Lanstein
From: Jon Lewis [jle...@lewis.org]
Sent: Tuesday, December 22, 2009 4:24 PM
To: Phil Re
of people's
>>>BGP tables, after all.
That's step two of the problem - enforcement. Enforcement may seem "hard", but
it's impossible without a policy. If there is no policy clearly violated,
enforcement cannot happen.
Regards,
Alex Lanstein
nt IP block from your RIR and route-peer
with each of these ISPs in order to announce independent address space
that travels with you wherever you buy connectivity, and/or (b) some
sort of Layer 2 or 3 tunneling like VPN or MPLS, if I'm not
understanding the problem correctly.
-- Alex
--
Ale
ed take-away, from a pedagogical perspective.
--
Alex Balashov - Principal
Evariste Systems LLC
Tel: +1 678-954-0670
Direct : +1 678-954-0671
Web: http://www.evaristesys.com/
Whats a "dns trapper" ?
-Alex
IMPORTANT: This email remains the property of the Australian Defence
Organisation and is subject to the jurisdiction of section 70 of the CRIMES ACT
1914. If you have received this email in error, you are requested to contact
the sender and delete the email.
0n Mon, Feb 15, 2010 at 01:40:31PM +0100, Michelle Sullivan wrote:
>Michelle Sullivan wrote:
>miche...@enigma:~$ dig +trace +bufsize=512 -x 81.255.164.225
>miche...@enigma:~$ dig +bufsize=4096 -x 81.255.164.225 @NS3.NIC.FR
Curious, why did you modify 'bufsiz
MSFC2 running IOS native.
On the Cisco side, I see that we could probably run a 7200VXR with
NPE-G1 (about $6000 on ebay). Moving to the Sup720, even used is
probably out of our price range.
What do you guys think I should use here?
Thanks,
Alex
to really get it all figured out?
Thanks,
Alex
On 3/4/2010 11:23 AM, Jack Carrozzo wrote:
If you want to keep it cheap, roll out another Quagga edge - one to
each peer. Drop default into OSPF from both edges, iBGP over a GE
between them. If one toasts you'll only lose half your routes
#x27;ve seen it
used that way on a number of occasions with cheap M13 muxes and DS3
interfaces.
--
Alex Balashov - Principal
Evariste Systems LLC
Tel: +1 678-954-0670
Direct : +1 678-954-0671
Web: http://www.evaristesys.com/
upwards of 30 seconds to load. Many times it loads fine, and then it
won't. I couldn't find a place to submit this to them, so I thought I'd
check with you guys.
-Alex
put it at well under 1M when you are
talking a month and a half of monitoring IP connections.
Regards,
Alex Lanstein
And we have yet to see what happens with backend transactions between private
institutions that have large blocks laying around, and them realizing that they
have a marketable and valuable thing. We may all say it won't happen, we may
even say we don't want it to happen, or that it shouldn't be
practically for an operator. To get an idea of the practical side for now, here
is a video we released earlier on how to set up and use the hosted Resource
Certification service the RIPE NCC provides:
http://youtu.be/Q0C0kEYa1d8
Kind regards,
Alex Band
Product Manager, RIPE NCC
side which must be stomped out of
existence before such ideas create signigicant connectivity issues.
Thanks,
Alex
a few offerings but I am looking for
>> recommendations from actual users. Thanks in advance.
FreeBSD + DummyNet [http://www.freebsd.org/cgi/man.cgi?query=dummynet&sektion=4]
-Alex
IMPORTANT: This email remains the property of the Department of Defence and is
subject to th
;available
fiber" vs. "if you pay us a million dollars we will lay the fiber to where
you want it to go so you get available fiber"
Alex
0-minute break if their shift lasts for more than six hours
- work a maximum 48-hour average week
And in general, night workers:
- should not work more than an average of eight hours in a 24-hour
period, averaged over a reference period of 17 weeks
If you're an employer, be glad you're in North America :-)
HTH,
Alex
idation results.
You can read the article here:
https://labs.ripe.net/Members/AlexBand/using-the-maximum-length-option-in-roas
I'm interested to hear if you think we should change our implementation, and
what choice you think is the best.
-Alex
reverse DNS records for the IP address(es) from which
mail is sent, pointing to the sending domain.
- Use the same address in the 'From:' header on every bulk mail that is sent.
- Using the "Precedence: bulk" header.
- Up-to-date contact information in the WHOIS record, and on abuse.net.
But the list administrator would have to do all of that faff.
Alex
On Thu, Apr 21, 2011 at 8:35 AM, Santino Codispoti
wrote:
> I know a few years ago some Vo/IP peering points where started. Are
> they still around today? I am looking for a solution to hand-off
> outbound voice calls to mobile operators
While not specifically answering your question, as this
Or RT-IR
Regards,
Alex
On 4/25/11, Nathanael Cariaga wrote:
> Have you tried otrs?
>
>
>
> On Apr 25, 2011, at 6:47 PM, "Payam Poursaied" wrote:
>
>> Hi all
>> May I have your recommendation regarding any outage management software
>> and NOC l
Or:
This content is currently unavailable
The page you requested cannot be displayed right now. It may be temporarily
unavailable, the link you clicked on may have expired, or you may not have
permission to view this page.
> -Original Message-
> From: D'Arcy J.M. Cain [mailto:da...@dr
I do say so myself.
Do let us know which one you end up picking and how you go with it.
Cheers
Alex
r got a response from them is from:
https://supportcenter.godaddy.com/Abuse/SpamReport.aspx though it will
take a few days.
Their abuse@ seems to be ignored by actual people, but that is pretty
standard from the 'big boys' these days.
If it's an emergency, try ringing +1-480-624-2505
Good luck!
Alex
On Wed, May 18, 2011 at 7:56 AM, Randy Bush wrote:
>
> another view might be that netflix's customers are eating the bandwidth
>
> randy
>
One of the UKs large residential ISPs publishes what their customers
use bandwidth for at
http://www.talktalkmembers.com/content/view/154/159/
"Streaming prot
Nope.
It is because who pay the money, and somebody wants to earn the money
because they have more control.
So it is because of "money".
Welcome to the world of capitalism.
Alex
On Mon, Jun 6, 2011 at 5:19 PM, wrote:
> Hello,
>
> I wouldn't consider myself a network
d be
landing 10g optics from the carriers currently and peering to the
downstream switches at 40G or 100G. (frequently we are in the used
equipment space for our acquisitions so previous generation or two or three
tends to land us in a pretty good spot).
thanks in advance for any advice you can provide!
Alex
s what workflow/process any of you use to do so, and what the
best/netizen-polite way is to end up with a reply that's appropriately
threaded. Do I just need to mirror the subject line?
*Alex Buie*Senior Cloud Operations Engineer
450 Century Pkwy # 100 Allen, TX 75013
<https://maps.google.
Appreciate all the input everyone! It's helpful
Suresh - great pointer - it looks like they do. I didn't even notice it as
an option. I think this will be the fastest/easiest method for me in
webmail-land. Thanks for pointing that out!
*Alex Buie*Senior Cloud Operations Engineer
4
> Kind regards,
>
> Job
Hi Steve,
Another monitored, production-grade service provided by the RIPE NCC, based on
their Routinator instance, is available here:
https://rpki-validator.ripe.net/json
Other output formats are available as well; a description of each is available
here:
https://routinator.docs.nlnetlabs.nl/en/stable/output-formats.html
Cheers,
Alex
This is factual. I spend a significant amount of effort ensuring geoip is
accurate for our customers and the proliferation of vendors makes this very
annoying and time consuming when we are onboarding a new block. RFC9632 at
least makes this easier - I definitely recommend doing so if you are not.
infrastructure.
Curious if any other operators in the region saw or felt this netquake?
Alex
>
> it's there to detect *reachability* failure faster than protocols
> themselves would do so
Exactly this - we have some type 2 fiber transit circuits which are
presumably connected to some sort of re-encoder or something, as we have
had a few scenarios where the router at the far-remote end di
ping fix these sorts of
issues. Cogent says they’re ready to turn up more settlement-free ports but
AT&T is not interested in settlement-free. Their solution is for us as a
business to spend thousands of dollars on paid transit from them (AT&T) if
we want better reach to 7018.
They’re kinda
up commercially off list.
Thanks yall! Happy new year.
Alex
add 3356:70 to your route is another. Have you asked them? I know
I would look into it if a customer comes to me with a similar request.
Alex
> On Jan 23, 2024, at 00:43, William Herrin wrote:
>
> On Mon, Jan 22, 2024 at 3:34 PM Alex Le Heux wrote:
>> This is perfectly reasonable routing _if you're 3356_
>>
>> In this profit-driven world, expecting 3356 to do something that's
>> unpro
red route".
You're not the first to wish for this:
https://datatracker.ietf.org/doc/html/draft-dickson-idr-last-resort-05
Alex
t least in my situation.
Try giving your money to someone who runs BGP with just its default settings
and no policies, see how well that works out.
Cheers,
Alex
> Regards,
> Bill Herrin
>
> --
> William Herrin
> b...@herrin.us
> https://bill.herrin.us/
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