gardless of the nature of the receiver. In case of TiVo, and
other devices without a display, once the signal is demodulated it's
typically sent to the display via HDMI.
So, yes, run RG-6 to those locations where you anticipate putting a TV
set. Run a stub-out in the attic as well.
want it.
Broadcast television is still very much a thing. Monthly recurring cost
for an antenna is $0. Coax is the most common transmission line for this
purpose.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
postcards from the 1980s had similar questions.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
8-pin modular jacks are RJ-45.)
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 9/11/24 07:32, Matt Hoppes wrote:
How can such a large company have something so simple as SIP
registration mangled up?
They sell competing VoIP services.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
image along with a different random ALT tag and description
would be a nice touch.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
also male. The way things are going I wouldn't be
surprised to hear from his fan club soon.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
s for
forgery.
* The same LOA is often required by datacenter operators and other third
parties for cross-connect authority, etc.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ten a few years behind the latest publication.
Local authorities can and do make additions and changes from NEC. No
Romex allowed in Chicago, for example.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
.
Livingston Portmaster 2s, of course.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
TTBOMK, telco central offices have always accepted pulse
dialing and still do. SIP ATAs, on the other hand, mostly don't, with
the exception of some older Grandstream units.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ly as an excuse.
*From:* NANOG on
behalf of Jay Hennigan
*Sent:* Monday, January 15, 2024 1:31 PM
*To:* nanog@nanog.org
*Subject:* Re: "Hypothetical" Datacenter Overheating
On 1/15/24 07:21, Mel Beckman wrote:
Easy. Climate change. Lol!
It was -8°F in Chicago yes
On 1/15/24 07:21, Mel Beckman wrote:
Easy. Climate change. Lol!
It was -8°F in Chicago yesterday.
On Jan 15, 2024, at 7:17 AM, sro...@ronan-online.com wrote:
I’m more interested in how you lose six chillers all at once.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
for a wifi access point is
colocated with the NID/ONT/CPE, you're doing it wrong.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
deal with for low voltage applications.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
n the other one.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 10/2/23 09:16, Mel Beckman wrote:
Tom,
Thanks for that pointer! apparently cogent has a history of abuse.
Apparently?
In other news, apparently bears have been using our National Forests as
their personal toilets for decades.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE
Don't some ISP's even cater to gamers
about latency?
Yep. Dilithium crystal futures are up due to gaming industry demand. ;-)
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 8/16/23 09:32, Jay R. Ashworth wrote:
Well, it sounds like the historical Bell System attitude has transitioned
forwards to ... newer transport. Good.
Legacy GTE in this case, but agreed.
Best of luck to you all, out there.
Indeed.
--
Jay Hennigan - j...@west.net
Network Engineering
uot;.
Routeros does command completion on the CLI, so this is finger-slip
territory, and the two commands are visually similarly enough to each
other that it would be easy not to notice.
In other news, Mikrotik users at that ASN are discovering that 327,933
prepends may be a bit excessive.
WWVB are a dead end or there's no
demand for GPS alternatives.
Both GPS and WWVB are over-the-air. There has been concern expressed of
a bad actor spoofing or jamming GPS. Comparatively speaking, jamming or
spoofing WWVB is a trivial joke.
--
Jay Hennigan - j...@west.net
Network Engine
On 5/17/23 12:19, Jesse Rehmer wrote:
From Spectrum, I'm able to hit port 80, but the redirect to 443 fails.
Smells like broken PMTUD to me.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 5/17/23 11:30, holow29 wrote:
Is anyone able to reach treasurydirect.gov <http://treasurydirect.gov>
over IPv6? Unable to do so over Verizon Fios, and I'm not sure if it is
a routing issue or an issue on Treasury's end.
Reachable from AS4927 in California.
--
Jay Hennigan
ation from a routing protocol with a lower
distance?
What does "show ip route [destination]" look like?
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
wever, sFlows show the packets leaving on a different interface, the
one that would carry the default route for routes not otherwise known.
What does traceroute to that IP show?
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
you could even find 30 seconds of
jitter anywhere, but, hey the constant literally came from RFC 791 and
we can't change that now, apparently.
RFC1149 has entered the chat.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
When there's a local power outage near me in Oregon, Wave doesn't even
bother with generators as typically their customers' power in the area
is out too.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 2/7/23 11:18, Michael Thomas wrote:
FWIW, lookalike domains can and do happen with http too. Nothing unique
about that to email.
Then the bad guys throw in the occasional Cyrillic, etc. character that
looks like a Roman one and things get even more fun.
--
Jay Hennigan - j...@west.net
with weather making it difficult to
get fuel to the site(s) could be a problem.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
please stop creating new time-stamped
subject lines for the same topic? It makes things hard to follow.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
eight may be
insufficient to do so, but in the 10G realm there are adapters that
convert an X2 slot to accept SFP+.
I've never seen a native GBIC with LC connectors.
There are these things, but you have to remove the clip on the LC side
to separate them. https://www.fs.com/products/32579.htm
ccept but it's returning 403
forbidden now. Ask your upstream for the communities they accept.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ame time for me, may have been a 286. I remember fiddling
with init strings and Trumpet Winsock.
It wasn't really the interWEBs then. The web was a small part of the
experience for me. USENET, email, FTP, Archie, gopher with a splash of
www for flavor.
--
Jay Hennigan - j...@west.net
to default, reducing your table size at the cost of sub-optimal
routing to destinations that are going to take a convoluted path anyway.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
Actual access to the text of such cases would be left
as an exercise for the reader.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
Is there someone from Ziply Fiber in the PNW here who can contact me
offlist?
Thanks!
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
eases exponentially.
If you think you're getting a ridiculous amount of political spam now,
just wait about six weeks.
As far as things going to /dev/null,
match as-path _15690_
set ip next-hop null0
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 8/23/22 18:33, William Herrin wrote:
Hello,
To folks at places like Google and Godaddy which have gotten, shall we
say, overzealous about preventing spam from entering their systems,
Sigh. They are substantially less zealous about preventing spam from
leaving their systems.
--
Jay
ns? Vendor certification practice tests could be another source.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
as there aren't enough static addresses to go around.
No wonder the outcome has always been disappointing for the general public.
I disagree that the general public is disappointed. No one I know wants
yet more agencies tracking them on the Internet, particularly agencies
employing people w
On 7/9/22 09:54, JASON BOTHE via NANOG wrote:
I see the point you’re trying to make but using the word retarded in this
context is not only dumb in itself but offense. Please be more respectful on
this list.
Shall we take another spin on the euphemism treadmill?
--
Jay Hennigan - j
On 7/8/22 08:24, Rubens Kuhl wrote:
If you believe in everything an email says, I have an island to sell
that you might be interested in.
I have a bridge for sale. This will be beneficial in reaching your
newly-purchased island.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE
yet.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
the actual testing is no longer done
at FCC field offices. Radio and TV stations still call their head
technical person "Chief Engineer".
I don't know if an FCC-licensed individual would qualify, but there's
history of FCC recognizing the title of engineer for people th
p for service.
Call the non-emergency number for your local PSAP (police or fire
department) and report wires down. They'll know how to get it handled.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ility is having rolling power blackouts, it's going
to affect cable modem customers in the area of the rolling power
blackouts, many of which won't notice because their power is also out.
Direct fiber customers (GPON, etc.) shouldn't have an issue.
--
Jay Hennigan - j...@west.
ingle
OLT transceiver supporting both. We are using Adtran gear for this and
it's working fine.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 6/8/22 15:41, David Hubbard wrote:
Appears HE (ASN6939) is still
unreachable though… I feel like less entities are single homed to HE,
but it would still be a calculated risk.
HE is the 800-pound gorilla of IPv6. I would be leery of a carrier
without reachability to AS6939.
--
Jay
On 5/8/22 11:34, Mel Beckman wrote:
Importantly, poutine is a critical infrastructure
component for network administrators. I would go so far as to say that
it is the only food that can serve all North American Network Operators
as universal sustenance.
You misspelled pizza.
--
Jay
amp;T and perhaps others, you can forward the message to 7726
(spells SPAM on the keypad) and they'll reply asking for the originating
phone number or email address.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
at's measurable in
terms of s/n ratio and it's on the outside plant HFC side.
But noise doesn't "build up", and PoE is DC, and PoE is on the LAN side,
separated from Comcast's equipment by a router. Level 1 Comcast guy is
simply wrong.
--
Jay Hennigan - j...@w
beats, but -- and this is the
important thing -- do not rule out zebras.
We've run into too many people who hear hoof beats, assume horses, and
proceed as if zebras are absolutely not a possibility.
https://www.nytimes.com/2021/09/30/us/zebras-escaped-maryland.html
--
Jay Henniga
ause it messes
with the Comcast modems and he can see "buildups" in his graphs that
show power is "leaking" to the Comcast modem every 24 hours.
Obligatory relevant xkcd: https://xkcd.com/806/
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
data in transit.
Consumers do not care enough about their privacy to the
point where they are providing the information willingly.
That's the point. The customer is providing information willingly when
they post to social media. The ISP is collecting data without consent.
--
Jay Henn
analysis, and it sure
sounds like it is, they aren't going to log flows or netstat. Data will
be in RAM during the TCP session, then poof.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
losses I'd recommend getting law enforcement involved rather
than trying to solve this DIY. There are likely other victims.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
mbed-down with drop-down menus listing cities like
"Americas-Los Angeles" and similar. These will require a bit of work on
the back end.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
easy. The annoying beep only happens after at least
a week of annoying chirps that are far too short to localize and spaced
just far enough apart that you can't really anticipate when the next one
will come.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
> On Mar 15, 2022, at 13:11, Kain, Becki (.) wrote:
>
>
> What does Arizona do since you’re saying all of N America has to be the same?
>
Arizona doesn’t do daylight time at all. They stay MST year-round. During the
summer they are the same as California.
erent than crossing state lines where the time zone
changes. I don't perceive a significant impact.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ould occur roughly 15 degrees east of noon local
clock time.
It's kind of like the meme showing a Native American saying, "Only a
white man would cut a foot off of the top of a blanket, sew it on the
bottom, and think he has a longer blanket."
--
Jay Hennigan - j...@west.net
N
thing.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 3/9/22 14:46, Andy Ringsmuth wrote:
“We’re waiting for our upstream to support it.” they say (and HE is their
upstream).
Perhaps you should bake them a cake.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ed three
times to reach a person who even knew what it was.
Likewise the Wave Broadband cable operator. No IPv6, no plans for it.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 3/8/22 13:22, Callan Banner wrote:
Nanog to suspend work in Belarus and Russia.
What work does the North American NOG presently do in Belarus and Russia?
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
Dear Elon:
Us next?
- Russian citizens
>
On 3/4/22 18:03, Scott Weeks wrote:
It looks like a 'too many' AS prepends, but it is only 250 prepends.
In most reasonable scenarios I'd say that this qualifies as too many.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
was front of
mind.
That would be about a week ago.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
"The Net interprets censorship as damage and routes around it"
- John Gilmore
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 3/1/22 10:35, Crist Clark wrote:
So they’re going to offer the service to anyone in a denied area for
free somehow? How do you send someone a bill or how do they pay it if
you can’t do business in the country?
1. Elon can afford it.
2. Marketing value is huge.
--
Jay Hennigan - j
bility, Musk had a simple answer.
“They can shake their fist at the sky,” Musk said."
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
https://www.cnbc.com/2022/02/28/ukraine-updates-starlink-satellite-dishes.html
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
x27;s from 2010. Word search for "copper" returns nothing.
https://docs.fcc.gov/public/attachments/FCC-10-72A1.pdf
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 2/16/22 09:56, Owen DeLong via NANOG wrote:
You can also do:
config
commit
rollback 1
commit
Unless you're remote and breaks your ability to
reach the box. Then you're hosed after the first "commit".
--
Jay Hennigan - j...@west.net
Network Engineering - CCI
eeky standpoint and could possibly be monetized. They've already got
a very well dispersed set of anycast hosts, and they have 1.1.1.1 .
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
resolves to 2600:: which I think is rather
friendly. :-)
Please don't use it for an IPv6 ping target, thanks.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
a reason.
Comment spam isn't a valid reason to avoid deploying IPv6. Not even
remotely close to one.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
nterference and noise generator
after threatening to open up the box and cut the appropriate trace.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
to them to answer.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
would
retrofit and private pilots would also either retrofit, not fly in those
conditions, or divert to land in better weather.
It's not an FCC issue, and FAA needs to require equipment capable of
safely operating within the allocated spectrum.
--
Jay Hennigan - j...@west.net
Network Engi
over 5% of the
actual frequency in use.
All of this talk so far is speculation about potential harmful
interference. Radar altimeters exist. Cell towers exist. Has anyone
gathered any real world data demonstrating actual interference?
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
use for decades going way back to Bell System TD-2 microwave that at
one point criss-crossed the country.
They also have main lobes approx 80* wide so they still function when the plane
is in 40* of bank.
That makes sense.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ven more far-fetched unless, as you say,
the radar unit's receiver is complete garbage in which case how did it
get a TSO in the first place? Avionics equipment that is critical to a
precision approach isn't, or at least shouldn't be, crap.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
that hard to instrument an aircraft with test equipment,
buzz a few operating cell towers, and come up with hard data.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
NN). So we are talking 0,01% of
customers affected, tops.
Assuming small values of "few", that is correct.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
ery much dead and so
swollen that it can't be replaced without the use of some serious prying
tools.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
many two-letter
combinations. Many of these will vary depending on the language of the
person observing them. Likewise there are going to coexist non-negative
connotations.
For example, the US Secret Service is also commonly abbreviated SS.
https://abbreviations.woxikon.com/en/ss
--
Jay
geous for
any class of network operators to turn off IPv6, they're doing it wrong
IMHO.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
computers operated by non-network-savvy people that are still very much
in use.
Think CNC machines in machine shops, SCADA systems, etc. I wouldn't be a
bit surprised to find quite a few 2001-era boxes still in service.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
50
em of IPv4 exhaustion
long-term.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
physically within 4 hours, which could be enough time to cause
severe damage to your infrastructure.
Stay safe,
U.S. Department of Homeland Security | Cyber Threat Detection and
Analysis | Network Analysis Group
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
t, we consolidated acquisitions into a single AS,
returned the old AS to ARIN, and a 2006 RADB entry that looks to have
been auto-generated by Level 3 with the old AS is still hanging around,
causing other to question it.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897
location.
Indeed. For a mild example:
https://splinternews.com/how-an-internet-mapping-glitch-turned-a-random-kansas-f-1793856052
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
tag got changed pretty quickly.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
oding of text. Braille
preceded it, and arguably semaphore.
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
They actually did pretty much exactly that with Verizon back in 2014.
https://www.cnet.com/tech/home-entertainment/netflix-takes-aim-at-verizon-over-slow-data-speeds/
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
On 10/16/21 06:48, Masataka Ohta wrote:
Jay Hennigan wrote:
Access/retail ISPs should want to peer with CDNs as it greatly
reduces their transport costs.
Not at all.
Access/retail ISPs have no problem by peering with neutral backbone
providers.
Neutral backbone providers don't peer
eatly reduces
their transport costs. CDNs will want to peer with access/retail ISPs
for the same reason.
Specifically what is the objection to CDNs peering with access ISPs?
--
Jay Hennigan - j...@west.net
Network Engineering - CCIE #7880
503 897-8550 - WB6RDV
secret sauce without knowing that 17 means Asia, or 5:
something else?
Not sure the rationale of leeping them secret, but at least one
aggregated source of dozens of them exists and has been around for a
long time. https://onestep.net/communities/
--
Jay Hennigan - j...@west.net
Network Eng
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