Since 2023, we’ve (GVTC) been migrating our CBH MTSO handoffs and partner ENNI’s from 1g/10g to 100g. …moving off older ME3600’s, ASR9k’s and ACX5048’s, to newer MX series (204,304,240,480,960)AaronOn Dec 26, 2024, at 8:35 PM, Mike Hammett wrote:A few years back, every Tom, Dick, and Harry was t
i have (3) oca's ... 2 connected at 100g each, and 1 at dual 100g lag... with
an operational throughput capacity of the nodes being something less than that,
i forget the exact node(s) throughput specs, but anyway...
about the 11/15/2024 Tyson/Paul Netflix fights
from 6 - 7 p.m. central tim
Jun 10, 2024 at 5:53 PM Aaron1 <aar...@gvtc.com> wrote:Also related to Cogent and v6… I recall having Google v6 DNS reachability issue through Cogent previously… is that still a problem?AaronOn Jun 10, 2024, at 4:48 PM, Peter Potvin via NANOG <nanog@nanog.org> wrote:Cogent stopped offe
Also related to Cogent and v6… I recall having Google v6 DNS reachability issue through Cogent previously… is that still a problem?AaronOn Jun 10, 2024, at 4:48 PM, Peter Potvin via NANOG wrote:Cogent stopped offering anything larger than a /31 IPv4 and /127 IPv6 on new DIA circuits earlier this
Yeah, to date I haven’t been in a place where peering is a reality, yet. CDN providers sending servers to us has been our best option. AaronOn Apr 7, 2024, at 12:30 PM, Mike Hammett wrote:I suppose that depends on the size (bits and miles) of the network and the cost of transport within it. In
Thanks… and does anyone know the benefit of Netskrt for ISPs that already have native Amazon ACEv2 servers installed?AaronOn Apr 4, 2024, at 4:50 PM, Jesse DuPont wrote:
Right now, Amazon Prime is sponsoring the
deployment of the caches. They deploy in your network and re
peering-...@group.apple.com
I think it’s AEC (Apple Edge Caching). This might get you closer to speaking
with someone in that group.
Aaron
> On Mar 6, 2024, at 1:46 AM, Pascal Masha wrote:
>
> Hello,
>
> Looking for contacts for anyone from Apple who can assist with subject
> request.
>
>
Akamai AANP was the first CDN in my network… ~2010’ish…I forget what the
minimum requirement was back then, but wanted to let you know that around
2018/2019 they started telling me they wanted to pull the caches from my
network. It wasn’t until like last year sometime that they were telling me
ACX7100-48L
…or…
ACX7100-32C
?
Aaron
> On Nov 27, 2023, at 3:59 PM, Edwin Mallette wrote:
>
>
> In attempting to operationalize the ACX7100 I have run into quite a few
> challenges with the platform once I stray outside of traditional routing and
> switching. The EVPN instances seem to hav
It’s my understanding that they are scaling back their AANP (ISP-embedded)
systems. They decomm’d mine a few months ago. It had been in place for over
10 years.
Aaron
> On Oct 17, 2023, at 5:27 PM, Justin Krejci wrote:
>
>
> Hello Edy,
>
>
>
> Log into your peeringdb.com account and go
I carry public Internet routing in a vrf, and my loopback and internal IGP
interfaces are in the master/default vrf
Aaron
> On Oct 5, 2023, at 12:24 PM, Javier Gutierrez
> wrote:
>
>
> Hi,
> I have recently encountered some operational differences at my new
> organization that are not wha
I love the built-in Wireshark capability in EVE-NG. BTW, EVE-NG Community is
free. You just have to get images for anything you want to emulate. Virtual
images for various vendor products are sometimes freely available, with trail
licenses. For instance Junipers vMX was freely available for
No VC here, unsure if it works, but yeah, we like them and deploy them in pairs
for metro-e (ce) and cbh for vlans carried over mpls pw
Reliable for us
Aaron
> On Aug 25, 2023, at 4:40 PM, Mark Tinka wrote:
>
>
>
>> On 8/25/23 19:16, Tom Beecher wrote:
>>
>> In my experience and testing
“Big, undersea, mpls network”. Doesn’t get much cooler than that ;)
Aaron
> On Aug 16, 2023, at 9:51 PM, scott via NANOG wrote:
>
>
>
>> On 8/17/23 2:03 AM, John Levine wrote:
>> According to Eric Kuhnke :
>>> -=-=-=-=-=-
>>>
>>> It's my understanding that the Hawaiian ILEC is now owned by
Depending on how many years since you last looked at BGP, you may be shocked at
how many address families BGP now carries… it’s very Multi-Protocol now. MP-BGP
I’ll always remember how informative the Basam Halabi book was. Also the Ivan
Peplnjak MPLS VPN book. Both have a couple editions. T
Sounds like something uRPF would prevent
Does anyone do uRPF ? lol
Aaron
> On Mar 9, 2023, at 2:03 PM, John Levine wrote:
>
> Back in the olden days, a spammer would set up a server with a fast
> broadband connection and a dialup connection, and send out lots of
> spam over the broadband c
juniper.net down?
Aaron
aar...@gvtc.com
I bought (3) MX204's 10/2021 and received them 2/2022 so about 5 months to
receive those. Also received a couple SRX300's in that same purchase.
I'll add that I can't say the same for the other stuff I also ordered
10/2021.
- MX480
- MX240
- MPC10E-10C
.which is due in around
R-Lion, sounds like a grocery store.
Thanks for the heads-up that one of my 100g inet connection providers just
changed. You beat my account rep to it.
-Aaron
From: NANOG On Behalf Of Justin
Krejci
Sent: Wednesday, January 19, 2022 11:59 AM
To: nanog@nanog.org
Subject: Telia is now
I'm still growing in my understanding of SR-MPLS and SRv6 but I can say
that about everything... seems like the one constant in life, and particularly
network technology... is change.
Like ytti (saku) mentioned, with SR/SPRING the IGP is finally carrying the
Label/Sid, so we no longer need
I have >50,000 subscribers behind CGNat. I would have to find out from the
assigners group, the rate at which static/public IP address sales increased
during our CGNat deployment over the last few years. I do understand that we
had an up-tick in public IP sales, but unsure of the rate at which
Yes, embedded ISP CDN’s show a huge drop
-Aaron
From: NANOG On Behalf Of Eric Kuhnke
Sent: Monday, October 4, 2021 11:22 AM
To: George Herbert ; nanog@nanog.org list
Subject: Re: massive facebook outage presently
Considering the massive impact of this it would be interesting to see s
By “p2mp” I’m thinking you are speaking of a rooted multipoint etree type
environment… if so….
Interesting, I’ve never done this before but here’s what I found … I see this
in my lab mx960…
me@lab-960# set interfaces ae40.100 etree-ac-role ?
Possible completions:
leaf
Ethernet AUI , LOL
Yes, my customers “cry” about the speedtest.net result…. All day…
From: NANOG On Behalf Of Mike Hammett
Sent: Tuesday, June 1, 2021 12:50 PM
To: Lady Benjamin Cannon of Glencoe
Cc: NANOG Operators' Group
Subject: Re: New minimum speed for US broadband connections
What did they cry abo
If 2 people use it at the same time, do they call in with a trouble ticket that
they didn’t get their contracted bandwidth?
From: Mike Hammett
Sent: Tuesday, June 1, 2021 11:45 AM
To: aar...@gvtc.com
Cc: Mark Tinka ; nanog@nanog.org
Subject: Re: New minimum speed for US broadband connecti
Yeah I thought gpon was 2.4 ghz down and 1.2 ghz up... so you could only
honestly sell (1) 1 gbps symm service via that gpon interface correct? (without
oversubscription)
I think ng-pon(2), xgs-pon and other variants allow for much more.
-Aaron
Yeah, good point Shawn, I’ve had guys ask “where is the mac table?” in the
accedian, ha. Yeah it’s very point to point’ish… you tell a port what vlan to
expect, and then what port to send that out. Very rigid like that.
Yeah Ryan, and as I understand it, the NCS540 has the sweet XR OS too
Wow, ciena has the means to implement SR and MPLS services? I mean they run
the underlying LS IGP to signal those SID’s ?? I didn’t know that. I may look
at them in the future then. I thought Ciena just did some sort of static
mpls-tp or something…
We use Accedian as NID’s with SkyLight
I currently have about ~2750 public IP's (11 /24's) for ~53,000 broadband
customers. (ftth, cable modem and dsl)
I cap them at 3,000 ports using PBA, port block allocation.. Blocks of 100
at a time, and 30 blocks per subscriber. (100*30=3000)
I usually see, when a private internal IP is u
Thanks Mark. We have a ring of MX960’s currently and wanted to spare the parts
with each other, between the 960’s and 240’s…. scb’s, re’s, mpc’s…
-Aaron
I prefer MX204 over the ACX5048. The ACX5048 can’t add L3 interface to an mpls
layer 2 type of service. There are other limitations to the ACX5048 that cause
me to want to possibly replace them with MX204’s. But in defense of the
ACX5048, we have gotten some good mileage (a few years now) of
I did an L3VPN over SRv6 test recently using IS-IS as the IGP. I thought it
was quite cool that I didn't configure any IPv6 addressing at all in the
core... simply enabled v6 on interfaces and allowed FE80 LL's to run... IS-IS
neighbored up... then added a mp-ibgp v6 loopback (rfc 4193) to the
Yes, I was reaching out to my NANOG folks to find out as you stated... "Hey I
was curious what happened and I thought to ask here on NANOG?"
I appreciate the membership with you all and value your position and visibility
in regional, continental and global operations. Thanks for your insights,
U, throw bandwidth at it. ...which reminds me... I actually want a t-shirt
that says "Bandwidth solves a lot"
-aaron
-Original Message-
From: Jean St-Laurent
Sent: Thursday, April 1, 2021 2:01 PM
To: aar...@gvtc.com; 'Jared Mauch' ; 'Töma Gavrichenkov'
Cc: 'NANOG'
Subject
Gaming update... I had a feeling. Thanks for the feedback folks.
Thanks Jared, it's running well, before, during and after. We have a lot of
capacity there.
-Aaron
That was a lot of traffic coming out of akamai aanp clusters the last couple
nights! What was it?
Aaron
aar...@gvtc.com
We thought about it for a while at the ISP where I work, and went with Juniper
MX960's w/MS-MPC-128G. Been working quite nice for us.
Initially, we went with smaller MX104 w/MS-MIC-16G to prove it out on our
~4,000 lower bandwidth DSL customers... when convinced, we then went all in
with multi
Anyone else having cogent internet issues in south central Texas or the
region?
I called Cogent and they mentioned a few spans down between el paso, fort
worth, san Antonio and Houston
My 100 gig link to them took a lot of loss. I had to bring down bgp for
preferring other sp
Aaro
You made me curious… found some interesting links…
https://www.att.com/support/data-calculator/
https://www.att.com/support/article/u-verse-high-speed-internet/KM1010099/
https://broadbandnow.com/internet-providers-with-data-caps
https://www.cabletv.com/blog/which-brands-have-dat
My coworker is having similar issues with PS Lightwave and Alpheus/Logix
from San Antonio to Houston whereas some things work and somethings don't
-Aaron
EVPL (eline) should not be learning macs. So mac table size should be a
non-issue. Unless someone somewhere has constructed a 2-part bridge domain
(mef-speak, etree or elan of sorts) which would have mac learning, then Matt's
question comes into play.
-Aaron
-Original Message-
From:
One of my CDN caching providers sent a Mellanox SN2700 with their servers.
Seems to be running well. They manage them, I just give them rack, power, and
a couple 10 gig links into my core
-Aaron
-Original Message-
From: NANOG On Behalf Of Tom Hill
Sent: Wednesday, November 4, 2020 9:
I’m using a pair of MX104’s for 10 gig and a MS-MIC-16G for CGNat integrated
with L3VPN’s (LDP for label distro), just fine. About 5,000 DSL broadband
customer behind them, on a /24 public ip nat pool. Some nice IP savings there.
Can’t speak to your BFP, RSVP-TE requirement as I never neede
Thanks, Yeah MEF-speak….
Lit layer 2 untagged is EPL
Lit layer 2 tagged is EVPL
...it’s MEF (CE) terminology
-Aaron
From: NANOG On Behalf Of Josh Luthman
Sent: Wednesday, October 14, 2020 8:44 AM
To: Forrest Christian (List Account)
Cc: nanog list
Subject: Re: Hurricane Elect
Don’t you have to be there to join?
I’m in Austin and San Antonio
-Aaron
From: Mike Hammett
Sent: Tuesday, October 13, 2020 7:20 PM
To: Aaron Gould
Cc: nanog@nanog.org
Subject: Re: Hurricane Electric AS6939
https://bgp.he.net/AS16527
You don't appear to be on any IXes. Defini
I have to be in Dallas for that right?
I’m in Austin (Data Foundry) and San Antonio (100 Taylor)
-Aaron
From: Ryan Hamel
Sent: Tuesday, October 13, 2020 6:34 PM
To: Aaron Gould
Cc: nanog@nanog.org
Subject: Re: Hurricane Electric AS6939
You would get better peering from Equinix IX
Thanks for setting me straight.
I had heard that there was some new stuff with Linux hypervisors or something
like that…. So I misspoke.
Appreciate y’all
-Aaron
Right, it's been freebsd forever as I understand it, but I thought there had
been some more recent involvement with linux, which is why I said that. I'm
not an authority on it though.
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/vm-host-o
verview.html
-Aaron
Typos, sorry…
Meant …fxpc process…
Meant …now 540
I just remembered another one I use the heck out of….
Show whateverwhatever | refresh 1
Love it
Or refresh 30 (whatever time you want)
It’s so nice to be able to take hands off keyboard and know exactly when
something changes in that show command…. Piping to “refresh” and a timer w
~30 years of being a Cisco IOS shop or Cisco IOS-XR shop? A bit different.
Welcome to the SP-world of really nice JunOS
Conf
Blah blah blah
Commit check <- will check your pending config for
correctness
Commit | compare <- will tell you what is about to
I wonder how this will affect those who have Telia as an upstream Internet
provider? Will it be business as usual and just different company name? Or
maybe other changes to come?
Telia Company today (10-06-2020) announces that it has reached an agreement
with Polhem Infra for the sale of its
Lol
I was thinking that if I ever need to know about *anything*, I can now just
google "srv6 nanog"
- Aaron
Nick, does CRH-16/32 and uSID change the overhead concern? I could be wrong,
but I thought that's what SRm6 was for, was to shrink the overhead, perhaps
amongst other things. Also, with VPN's over SRv6 would this enable automatic
vpn capability over the internet? I mean if I can do VPN's over
You might be on to something, but I'm unsure... are you suggesting that it's
any less private over SRv6 than it was over MPLS ?
-Original Message-
From: Randy Bush
Sent: Tuesday, September 15, 2020 1:12 PM
To: aar...@gvtc.com
Cc: North American Network Operators' Group
Subject: Re: SRv6
Sorry guys, I'm not aware of much of what you mention as far as agenda, vendor
motive, and hardware support, etc
I'm still learning, but, It does seem interesting that the IP layer (v6) can
now support vpn's without mpls. So one less layer of encapsulation seems cool.
Don't get me wrong,
Oh snap! Hey hey, that's good, thanks Nick. I had to go into the locator
service of the remote pe and find a sid that would respond to ping.
This is apparently an OAM Endpoint with Punt (End.OP)
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r7-0/segment-routing/configu
Thanks Nick, I only see the following layers... I see no extension headers
behind the ipv6 header. I sent you the wireshark sniff directly so you can
see what I'm seeing.
Ethernet - Type 0x86dd
Ipv6 - Next Header IPIP (4)
Ipv4
Icmp
-Aaron
I have what seems to be a good SRv6 test in my lab running XRv9k 7.0.2
But I'm wondering why the sniffer doesn't show the much-spoken-of SRH
(Segment Routing Header).. But rather, shows my L3VPN v4 traffic riding v6
and that's it. Let me know if I'm seeing an SRH and just don't know it,
LOL.
I found these threads about BGP Prefix-SID decoded needed for Wireshark.
Anyone know what wireshark version fixes this ? I just installed 3.2.6 and
that doesn’t seem to do it
https://www.wireshark.org/lists/wireshark-bugs/201603/msg00621.html
https://www.wireshark.org/lists/wireshark-bu
Thanks Jeff, this is pretty trippy… I mean the fact that VPNV4 L3VPN works over
SRv6 !
I’m so accustomed to seeing L3VPN being an MPLS thing, and now, no labels, no
mpls. Wow
The wireshark sniff shows…
Ethernet
Ipv6
Ipv4
That’s it. No double mpls tags like I’ve so familiar with
Yep, years ago, the telephone comms guys in the Marine Corps taught me (I was a
data pc/network guy) the name “Snot”
-Aaron
From: NANOG On Behalf Of Brandon Svec
Sent: Thursday, September 10, 2020 3:48 PM
To: NANOG
Subject: Re: Getting Fiber to My Town by Jared Mauch
I’ve heard peopl
Thanks for the heads up Mark... I see docs showing SRv6 not supported until XR
6.6, I put XR7 in my lab to start testing it...
I have what seems to be a good test for vpnv4 mpls l3vpn over SRv6 IS-IS in core
This is my first go at this so still learning. Srv6 has a strange locator
thing with i
Interesting... I've never heard of SPRINGv4
https://www.juniper.net/us/en/products-services/routing/ptx-series/datasheet
s/1000538.page
I found it in the bottom section
I wonder if SPRINGv4 is like SRv6, meaning, SPRING(SR) over IPv4 dataplane?
Or, am I reading way too much into that SPRINGv4 a
Thanks dip, let me know what you think.
r20 is headend and r22 is tailend r20>r22
r22 is headed and r20 is tailend r22>r20
RP/0/0/CPU0:r20#sh run int tt1
Fri Sep 4 12:25:09.198 CST
interface tunnel-te1
bandwidth 20
ipv4 unnumbered Loopback0
signalled-name r20--->r22
aut
Thanks Mark, I have a tunnel traversing those interfaces. Customer routers
(r10, r30) can ping end to end via tunnel.
Not sure if I’m missing something here. I wonder if I’m not signaling for the
rsvp bandwidth correctly. I just don’t see any allocated bandwidth in the rsvp
interfaces any
Thanks, how do I see the control plane reservation? I don’t seem to be seeing
anything getting allocated
RP/0/0/CPU0:r20#sh rsvp interface g0/0/0/1
Thu Sep 3 15:15:55.825 CST
*: RDM: Default I/F B/W % : 75% [default] (max resv/bc0), 0% [default] (bc1)
Interface MaxB
I have a functional mpls-te test running, seems fine.but, question about
bandwidth reservations please.
At the Headend router, I set bandwidth on my mpls-te tunnel, but I can't for
the life of me, find where in the network is this bandwidth actually being
admitted, or seen, or allocated or anyt
Yeah, could have been one of those...gone from bad to worse things like Dave
mentioned... initial problem and course of action perhaps led to a worse
problem.
I’ve had DWDM issues that have taken down multiple locations far apart from
each other due to how the transport guys hauled stuff
A fe
I’m still using nfsen/nfdump
Been looking at manageengine netflow analyzer lately and liking it, we might be
buying some time on Calix flowanalyze which might be an improved version of
xangati
Aaron
> On Dec 30, 2018, at 10:44 PM, Michael Gehrmann
> wrote:
>
>
> Add Flowtraq to your list.
On the topic of static ip... as a Net Eng of an ISP, and seeing the pains that
we have to endure with our static ip customers , I wonder if static ip
customers actually inadvertently get less optimal treatment than more flexible,
agile and dynamic ip customers ?
I’m saying that since over the
I’m glad you got it figured out with the right people at spectrum. When I was
sitting up ddos rtbh with my 3 isp’s , I remember spectrum (fka twc/charter)
was difficult to get the right person on the phone to help me understand what I
needed to do. I had to go through layers of phone attendant
GP with them, but of course the issue is an IP that they route to
>>>>> me.
>>>>>
>>>>> My issue is with ASN 10796
>>>>>
>>>>> Josh Luthman
>>>>> Office: 937-552-2340
>>>>> Direct: 937-552
well, my comment about ddos rtbh using /32 BGP community is with regard to my
provider spectrum which was previously time warner cable/charter AS 11427 is
who I peer with
Aaron
> On Dec 21, 2018, at 5:40 PM, n...@imap.cc wrote:
>
> Is this the right Spectrum? There's one that's aka Wave and ar
If you BGP neighbor with them you can send-community /32 advertisement to them,
and the will remotely black hole it
Aaron
> On Dec 21, 2018, at 3:51 PM, Josh Luthman wrote:
>
> We have had a DOS attack for over 12 hours. I simply want them to null route
> or black hole an address. The traf
I think the guys in the NOC will add a customer CPE to Solarwinds monitoring
and just have it continually run pings, and set up an alert so that we know as
soon as the ping stop the alerts go to email or whererver
Aaron
> On Dec 15, 2018, at 12:32 PM, Colton Conor wrote:
>
> The problem I am
... The only thing I can think of is the idea that I’ve heard before is the way
to catch someone is to watch them well they are accessing, the concept of
honeypots comes to mind
Aaron
> On Dec 11, 2018, at 10:43 AM, Larry Allen wrote:
>
> I can't imagine a single rational argument against thi
Right... When would it ever be wrong to stop terrible internet activity such as
this?!
Aaron
> On Dec 11, 2018, at 10:43 AM, Larry Allen wrote:
>
> I can't imagine a single rational argument against this.
>
>> On Tue, Dec 11, 2018, 10:56 William Anderson >> On Fri, 7 Dec 2018 at 06:08, Lotia
Makes we want to cry, so sad
Aaron
> On Dec 7, 2018, at 1:43 PM, cosmo wrote:
>
> I've done a bit of work in this space, wont elaborate . but here are some
> thoughts :
>
> * many less-engaged or new pedophiles may indeed search such content in the
> clear, however
> * the persiste
What is “ROKSO's DROP list” ?
Aaron
> On Dec 7, 2018, at 8:57 AM, John Von Essen wrote:
>
> ROKSO's DROP list
Thanks Dave, so my local OCA will listen to my BGP advertisements for RFC1918
prefixes if I decided to advertise them?
Aaron
> On Nov 25, 2018, at 10:47 PM, Dave Temkin wrote:
>
> FWIW (reviving an old thread)-
>
> Putting an OCA with bypass through the CGN with RFC1918 space will actually
>
Yes I agree Ross/Stephen. I didn’t mean to overstate the CDN fact.
I wonder what the answer is to Bill’s question is. “average, median and
> maximum diameter (ip hop count) of the Internet? “
Aaron
> On Nov 21, 2018, at 9:44 PM, Stephen Satchell wrote:
>
>> On 11/21/2018 07:32 PM, Ross Tajvar
Considering 40% of the “internet” is sitting in my backyard in cdn caching, I’d
say the perceived diameter for that content is 3 or 4 hops. ;)
...but something tells me that isn’t they response you were seeking...
... but seriously it is interesting that with local caching that much of the
My cogent is pretty good... I had 10 gig for a few years, then dual 10’s Lag’d
together for about year or so, and now 100 gig for about 2 months. So it’s
been about five or six years that I’ve been with cogent
They usually are knowledgeable when I talk to them and they are able to do what
I as
If he only uses a default route then his outbound routing won’t have anything
to do with what destinations are closer, etc
Aaron
> On Oct 21, 2018, at 7:39 AM, Mike Hammett wrote:
>
> I guess first thing's first... you aren't doing anything to force the
> traffic that way, are you?
>
> If y
Jason Canady
> Unlimited Net, LLC
> Responsive, Reliable, Secure
>> On 10/19/18 5:47 PM, Aaron1 wrote:
>> Yes I noticed that last week, it is very slow
>>
>> Aaron
>>
>> On Oct 19, 2018, at 4:43 PM, Ryan Gelobter
>> wrote:
>>
>>> Has anyone
;
>>>
>>>
>>> From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Michael Crapse
>>> Sent: Tuesday, October 16, 2018 8:37 PM
>>> To: NANOG list
>>> Subject: Re: Whats going on at Cogent
>>>
>>>
>>>
>>>
As an eyeball network operator, Cogent has served me well for several years, I
can say that they are probably the easiest and most relaxed and most accessible
to work with from my experience compared to my other providers, I’m comparing
to 3 other well-known providers
It seems like when I call
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