gineer go extra to help me with a work-around to an
obscure issue.
--
Chris Adams
isting
company that wants more IPv4 space.
If you want 240/4 to be reserved for these new companies, you haven't
identified ANY reason for ANY existing company or user to exert any
resources, other than "but I want it".
--
Chris Adams
k-around that handles 50% of cases". Can you have two Mikrotiks
connected to each other with a /31? If not, they don't support using
/31s.
--
Chris Adams
ere things went.
--
Chris Adams
Once upon a time, William Herrin said:
> On Tue, Jan 23, 2024 at 4:00 PM Chris Adams wrote:
> > Once upon a time, William Herrin said:
> > > Nevertheless, in the protocol's design, the one expressed in the
> > > RFC's, AS path length = distance.
> >
> &g
s used on the Internet. You're about 30 years too late to
have any influence on that.
--
Chris Adams
override the localpref. Being a
customer of a customer makes that harder, but then it's basically on you
to choose your connections with that in mind.
--
Chris Adams
Once upon a time, sro...@ronan-online.com said:
> I am curious if anyone has ever given you positive feedback on this idea? So
> far
> all I’ve seen is the entire community thinking it’s a bad idea. Why do you
> insist this is a good solution?
Because people keep responding.
--
Chris Adams
my "regular" phone, and then only showed the Spanish
version).
--
Chris Adams
Alert class to be the same, if it exists.
> Can anyone corroborate NOAA weather radios not alerting?
My weather radio went off for the regular weekly test a couple of hours
before the national alert test, and did not go off for the national
alert.
--
Chris Adams
se but was still an annoying change).
--
Chris Adams
hborhood" reputation (an issue with any VPS as
they can't police everything).
--
Chris Adams
servers for scservers.com return SERVFAIL.
--
Chris Adams
ions, due to
the distance and wave reflections. Also, from a security point of view,
I have read that it is legal to have your own low-power transmitter on
the WWVB frequency, and there are instructions for doing it with a Pi,
so it would be very cheap and easy to mess with somebody's WWVB signal.
--
Chris Adams
0.freebsd as it clearly does have connectivity
> >issues from some of the pool project's own sensors.
>
> Many thanks, Andreas.
>
> I'll take this up with the FreeBSD folk.
It's the NTP pool people you need to talk to - the .freebsd. bit is just
a vendored entry into the pool
which connects on port 443 but fails in SSL
negotiation.
I wonder if some over-zealous network admin blocked all ICMPv6.
--
Chris Adams
t;ownership", I'm going to registries, not DNS. Since it can't be
guaranteed (or even flagged as) maintained, you can't trust any
information in that string.
--
Chris Adams
see any benefit to programmatically-generated reverse DNS. I
stopped setting it up a long time ago now. Really, reverse DNS these
days is mostly only useful for:
- mail servers (where it shows a modicum of control and clue)
- infrastructure/router IPs (so mtr/traceroute can show useful info)
--
Chris Adams
o impractical.
--
Chris Adams
which could easily pulled
another 1-2kW (oven, microwave, etc.). And that's without any
water/septic pumps.
Electric heat pumps are great for power efficiency until the temperature
drops and they switch over to pure electric heat.
--
Chris Adams
r just about every client OS that
tends to be much more accurate.
--
Chris Adams
l back filter in based on something like IRR data?
In the case of Juniper, you can use the same prefix-list in your BGP
policy (you are applying a filter to your customers' BGP announcements,
right?) and the uRPF exception list.
--
Chris Adams
;can I get to Google and HE on IPv6 on your
circuit?".
--
Chris Adams
ect behavior as it breaks other things).
That is not the case right now; it appears to be modifying ALL senders
since earlier today (about 12:20pm CDT) . Your message has "From: Bryan
Fields via NANOG " even though you have no DMARC record
at all.
--
Chris Adams
Once upon a time, Chris Adams said:
> Once upon a time, Jared Mauch said:
> > Can someone flip the option in Mailman for DMARC please, it’s problematic
> > as if one posts and does DMARC and has feedback on, our messages are
> > possibly rejected, and the feedback from
ing (From rewrite) for senders with a
DMARC p=reject.
--
Chris Adams
e each operation
individually.
--
Chris Adams
s demo pool to meet their grant timeline requirements.
--
Chris Adams
Once upon a time, Michael Thomas said:
> I meant downloads as in gigantic games. If you give them more
> bandwidth it just encourages the game makes to build bigger game
> downloads.
I don't buy that - users are still constrained on storage, especially on
consoles.
--
Chris Adams
5 Mbps is like saying 640k is
enough for anybody.
--
Chris Adams
pplied after authentication (so
you could SSH and authenticate, only to then be denied access, which
makes it susceptible to password scanners). Instead you configure an
ACL on the SSH service itself.
--
Chris Adams
r me, CST will change
from UTC-0600 to UTC-0500). How will you distinguish between "old" MST
and "new" MST when you see it listed?
--
Chris Adams
Once upon a time, Jay R. Ashworth said:
> This also, as I understood it, why high-school is always the first grade
> level which starts, and ends, the school day (often 7a-2p or so).
Not "always"... high school starts 30-40 minutes later than the younger
kids here.
--
Chris Adams
all because some businesses
think their hours are nailed for all eternity, and the world must change
instead.
--
Chris Adams
tware handles certs and
updates.
--
Chris Adams
ch
jitter! :) Use a proper serial or GPIO port, with that you can get down
to sub-microsecond accuracy.
--
Chris Adams
e cutters).
--
Chris Adams
here's a power outage, but we also haven't
had any extended outage. Since the fiber network is run by the utility,
the huts are at substations, so it would take a substation outage to
knock out power to the hut (and I think they may still also have
generators at the huts).
--
Chris Adams
Once upon a time, Chris Adams said:
> Anybody here from Linode and/or Google Fiber that can help out with
> packet loss between these networks at NYIIX peering? It's been going on
> for almost a week... opened a Linode case and they looked at the VM
> host, also opened a Googl
, but the regular support channels
aren't getting this to the right people.
Off-list contact is fine.
--
Chris Adams
ing closer to
that point every day. Providers running CG-NAT see that getting IPv6
dual-stack deployed reduces the IPv4 bandwidth (so reduces the CG-NAT
costs) because so much is IPv6-enabled already.
--
Chris Adams
, like
127.000.000.001 (which still works) or 008.008.008.008 (which does not),
is broken.
--
Chris Adams
Once upon a time, Niels Bakker said:
> * c...@cmadams.net (Chris Adams) [Sat 25 Sep 2021, 00:17 CEST]:
> >Which - why do I have to order different part numbers for back to
> >front airflow? It's just a fan, can't it be made reversible?
> >Seems like that would be cheaper th
rk equipment is not entirely competent.
Which - why do I have to order different part numbers for back to front
airflow? It's just a fan, can't it be made reversible? Seems like that
would be cheaper than stocking alternate part numbers.
--
Chris Adams
collusion
or anything (probably), but our cable rates went up really fast there
for a while.
--
Chris Adams
This short term mindset is part of the problem. I’ve seen projects around me
using CAF funds that push DSLAMs further into the network to get users up to
100mbps, but they are already at their ceiling as soon as they are installed. I
admire providers who invest beyond the short term into
ime of the Internet being a service largely for consumption of data
is past. While school-from-home may be a passing thing as the pandemic
wanes, it looks like work-from-home (at least part time) is not going to
go away for a whole lot of people/companies.
--
Chris Adams
I’d be interested to understand the rationale for not wanting to change the
definition. Is it strictly the business/capital outlay expense?
Thanks,
Chris Adams
From: NANOG On Behalf Of Jason
Canady
Sent: Friday, May 28, 2021 8:39 AM
To: nanog@nanog.org
Subject: Re: New minimum speed for US
ypical 9V replaceable battery models, the "change the battery
twice a year" bit is not based on the actual load, but just trying to
get people to think about it (and maybe then getting it changed once a
year, which is perfectly fine and maybe even still more often than
needed).
--
Chris Adams
le data most of the time?) is worth anything to you.
Aren't the cell-based emergency alerts on all cell phones, not just
smartphones?
--
Chris Adams
.
I don't know if an unsubscribed cell phone gets the emergency alerts (I
know you are supposed to be able to call 911 from any cell phone, even
if not carrying paid service). If so, that'd be another cheap way to
get alerts.
--
Chris Adams
ecause the warning
came after it was on the ground (and probably after they were dead).
--
Chris Adams
. So my weather/all-hazards radio alarm went off
at 3am for something that happened 200 miles away. I then disabled that
alert category. I only have severe weather warning categories enabled
now (because tornadoes are a thing I do want to know about).
--
Chris Adams
Once upon a time, Michael Thomas said:
> On 12/25/20 12:40 PM, Chris Adams wrote:
> >The other aspect of it is that we're doing these downloads while
> >continuing to play other games and chat (both things sensitive to
> >latency). Some have family/roommates in
changes behavior. Having ability to do more
means your behavior changes to utilize more. We don't NEED high speed
Internet to download games - we could leave the download running
overnight for example - but being able to download big games in minutes
means we get to try more games, finding new things to like.
--
Chris Adams
I live.
--
Chris Adams
.
My experience with Mailchimp though requires you to submit addresses for
a list, so spam like this is purely intentional.
--
Chris Adams
Once upon a time, adamv0...@netconsultings.com
said:
> Actually ideally there would be a feature/knob to automatically sync BGP (and
> static routes) with packet filters.
Junos has prefix-lists that can be referenced in both BGP policy and
firewall statements.
--
Chris Adams
mail
from some group I've never heard of (and haven't AFAIK engaged the
community about their "new" attack, scans, or notices)... seems more
like shameless self promotion.
--
Chris Adams
gines run the FreeBSD-based
Junos in a VM on a Linux hypervisor. There's also Junos Evolved, which
is Junos ported over to a Linux-based system instead of FreeBSD (among
other architectual changes).
--
Chris Adams
launch 7 years
ago. I expect that back-compat Xbox 360 games don't get the IPv6
support, but I've never checked myself. I'd assume that since the
7-year-old console supports IPv6, the launching-in-6-weeks console will
too.
--
Chris Adams
rors have entirely unexpected consequences. It's
possible some poor design issue was exposed, or it could be some
basically unforeseeable incident.
--
Chris Adams
Once upon a time, Robert Blayzor said:
> Just to confirm we're seeing this on AS3356 and not AS209, correct?
Correct - we had problems with our 3356 connection but not our 209
connection.
--
Chris Adams
Once upon a time, Peter Kristolaitis said:
> Cloudflare's status page acknowledged a recursive DNS issue as of a
> few minutes ago. Lots of reports of problems on the Outages list
> and Reddit.
It was not just recursive - authoritative DNS on Cloudflare servers also
did not respond.
een enough providers that drop hops in traceroute that I can only
assume nobody really cares about that case either.
--
Chris Adams
ok several tries to get the password
right or had the wrong SSH key. Should that have triggered an abuse
email?
--
Chris Adams
aybe it's because they're primarily a server vendor, but Dell switches
(at least the N3000 series I've used most recently) have 4-post mount
rails. IIRC they aren't extending sliding rails like the servers have,
but the switch slides into the rails.
--
Chris Adams
f
one LAG member being congested, and my problem IP pairs were hashing to
that member.
My traffic wasn't VPN (SSH, with ping/mtr for testing), but it is
possible that somebody else's was - I didn't get detailed with the other
NOC.
--
Chris Adams
bitive,
> would it not?
If you are looking to save a buck on the ToR->server connection, why not
just use DAC cables?
--
Chris Adams
n other settings. If you plug in an
external hard drive, there's a separate setting that is off by default
(so if a game is on the external drive, it doesn't get updates).
--
Chris Adams
e, presumably you have the volume to back it
> up.
I think security is probably the sticking point for this. Content
owners don't want anybody having direct access to their files, and as
more content is distributed over HTTPS, content distributors don't wany
anbody having access to their certificates.
--
Chris Adams
AS in the path? That seems... unusual. Our internal
blackhole system uses a private AS (so it can be stripped off before
sending to anyone else).
Just curious what others do... I always assumed AS path filtering to
customer (and their downstream customers) AS was a standard best
practice.
--
Chris
ill always grow to 110% of
available space.
I get annoyed when I'm chatting with friends, waiting to play some game
we decided to download, and it's ONLY downloading at 300 megabits per
second! :P
--
Chris Adams
ther than
buying discs)? I have games on my Xbox that are over 100G.
--
Chris Adams
icant amount of
traffic frmo their AS comes across transit rather than peering.
In old terms, this is "hot potato" routing - where the source gets the
traffic out of their network as soon as possible, rather than spend
internal resources to carry it as close to the destination as they can.
--
Chris Adams
re. We'd had Akamai servers for many years, replaced as needed
(including one failed servre replaced right before they turned them
off). Now about 50% of our Akamai traffic comes across transit links,
not peering. This seems like it would be rather inefficient for them
too...
--
Chris Adams
t; multi-player portions of a game because images are going to be pushing 100
> gigabytes RSN (some are already well over 40gig).
Xbox One X games are already there... I'm a pretty casual gamer, and I
have multiple games over 90GB (one is 117GB).
--
Chris Adams
at one point (and even that was
kind of tight). The business has changed though, and now they have a
/23 and two /24s, and sold the rest.
--
Chris Adams
ng to securely share MD5 keys today - a BGP CA
could be published (possibly even at RIRs).
--
Chris Adams
y Disney Movies? You have to carry ESPN-U in the same
package. So... now those very same content providers are trying to cut
out the middle-man of the linear TV (cable, sat, IPTV) providers, and
recreate the same bundling.
--
Chris Adams
appeared to be no backup
power in their plant. Any power blink and my Internet and TV both
dropped (my equipment is on UPS).
--
Chris Adams
When I needed software to support DEC Unix features for
example (because that's what my company used), I wrote patches and
submitted them to OpenSSH, BIND, etc. My company was fine with that
(we weren't going to sell software).
--
Chris Adams
Once upon a time, Eric S. Raymond said:
> Chris Adams :
> > Once upon a time, Eric S. Raymond said:
> > > Tell it to Patrick Volkerding, who sweated to created the first Linux
> > > distribution
> >
> > No, he didn't.
>
> Can you be more specif
Once upon a time, Eric S. Raymond said:
> Tell it to Patrick Volkerding, who sweated to created the first Linux
> distribution
No, he didn't.
--
Chris Adams
eally odd to trust one and not the
other.
--
Chris Adams
operly distribute the
notification in advance.
--
Chris Adams
is (aka Cable & Wireless aka InternetMCI) AS 3561, and untold more
Internet history... :)
--
Chris Adams
mat phase-modulated signal. Hopefully there'll be more, but with
the WWVB funding threats, I wouldn't be surprised if companies don't
want to invest in any new products that use it.
--
Chris Adams
competent service employees, leaving you stuck when there's an outage.
We have "legacy" circuits with Windstream (originally ordered from
Deltacom, who was bought by Earthlink, who was bought by Windstream),
and the support on those is pretty poor.
--
Chris Adams
but the pool folks argued just as strongly
> for using it back then.
Current versions of both ntpd and chrony support a "pool" config option
as an alternative to the "server" option, and I believe both will
monitor the reachability and quality of the sources and periodically
refresh from DNS.
--
Chris Adams
Once upon a time, William Herrin said:
> You sure you need a GPS NTP server? You understand that if you do, you need
> two for reliability right
That'd be 3 - a man with 2 clocks never know what time it is! :)
--
Chris Adams
egend
I still refer to ASes by companies that haven't existed in ages... 701
is UUNet, 3561 is MCI, 1 is BBN, etc. :) I don't handle name changes
well (I also refer to one of the main roads where I live by a name it
hasn't had in close to 20 years).
--
Chris Adams
roll-over. For example, the Trimble
TSIP driver has a hard-coded offset and has already rolled (but didn't
do it right on at least some devices).
--
Chris Adams
Anybody here from Google Fiber? When I first got it last year, my IPv6
setup got a /56 prefix delegated. I now see that no matter what size I
request, I only get a /64. Is this intentional?
--
Chris Adams
ges that came through.
I'd be interested in hearing of other Linux software (free or paid) that
can catch modern email viruses.
--
Chris Adams
have binding arbitration clauses, so nobody can get it to a court for a
precedent-setting decision).
--
Chris Adams
Once upon a time, Stephen Satchell said:
> On 11/08/2018 07:50 PM, Chris Adams wrote:
> > Signatures are no longer required for chip card transactions in the US,
> > except I think for transactions where the auth is done on the amount
> > before an added tip (restaura
station attendants, but also
because of poor physical security) and installing the skimmer hardware
out of sight. The hardware has Bluetooth, so the bad guys just pull up
and get gas and someone in the car can retrieve the data (from multiple
pumps even).
--
Chris Adams
n of SNMP - indexed tables? ifIndex is far from the only index in
SNMP, and many of them still change today at various times.
It isn't that hard to fetch the indexed field in a bulk get, rewalking
the table if you don't get what you expected. Cricket did this in 1999.
--
Chris Adams
erican Express), unless ID is
otherwise required by law (like for age-limited products). I've walked
out of stores that required an ID.
--
Chris Adams
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