Re: [AFMUG] CDN Overload

us/windows/forum/windows_10-update/windows-update-hogging-bandwidth/f6883871-1de8-4b94-b0b7-fc4cfab158e7?auth=1 From: Af [mailto:af-boun...@afmug.com] On Behalf Of Mike Hammett Sent: Wednesday, September 21, 2016 8:35 PM To: af@afmug.com <mailto:af@afmug.com> Subject: Re: [AFMUG] CD

Re: [AFMUG] CDN Overload

8:35 PM *To:* af@afmug.com *Subject:* Re: [AFMUG] CDN Overload I have the ear of engineers at Level 3's CDN and Akamai. Working on Microsoft now (just sent the e-mail a couple minutes ago). Please continue filling out the form if you haven't. More information is better than less.

Re: [AFMUG] CDN Overload

8:59:57 PM Subject: Re: [AFMUG] CDN Overload So you’re saying their actual engineers don’t talk to customers? That would explain a lot. From: Af [mailto:af-boun...@afmug.com] On Behalf Of Mike Hammett Sent: Saturday, October 1, 2016 8:42 PM To: af@afmug.com Subject: Re: [AFMUG] CDN Overload

Re: [AFMUG] CDN Overload

Good point. From: Af [mailto:af-boun...@afmug.com] On Behalf Of Mike Hammett Sent: Saturday, October 1, 2016 9:07 PM To: af@afmug.com Subject: Re: [AFMUG] CDN Overload If you were an actual engineer, would you want to talk to customers? - Mike Hammett <http://www.ics-il.

Re: [AFMUG] CDN Overload

So you’re saying their actual engineers don’t talk to customers? That would explain a lot. From: Af [mailto:af-boun...@afmug.com] On Behalf Of Mike Hammett Sent: Saturday, October 1, 2016 8:42 PM To: af@afmug.com Subject: Re: [AFMUG] CDN Overload That's why I encourage people to fil

Re: [AFMUG] CDN Overload

" To: af@afmug.com Sent: Saturday, October 1, 2016 7:01:47 PM Subject: Re: [AFMUG] CDN Overload I found this wonderful description of the problem and Microsoft support’s totally useless answer: http://answers.microsoft.com/en-us/windows/forum/windows_10-update/windows-update-ho

Re: [AFMUG] CDN Overload

On 10/1/16 5:01 PM, Ken Hohhof wrote: I found this wonderful description of the problem and Microsoft support’s totally useless answer: http://answers.microsoft.com/en-us/windows/forum/windows_10-update/windows-update-hogging-bandwidth/f6883871-1de8-4b94-b0b7-fc4cfab158e7?auth=1 That's hil

Re: [AFMUG] CDN Overload

Behalf Of Mike Hammett Sent: Wednesday, September 21, 2016 8:35 PM To: af@afmug.com Subject: Re: [AFMUG] CDN Overload I have the ear of engineers at Level 3's CDN and Akamai. Working on Microsoft now (just sent the e-mail a couple minutes ago). Please continue filling out the form if you ha

Re: [AFMUG] CDN Overload

t Internet Exchange The Brothers WISP - Original Message - From: "Mike Hammett" To: af@afmug.com Sent: Monday, September 19, 2016 9:43:15 PM Subject: [AFMUG] CDN Overload Have you seen a CDN overloading a customer? Help me gather information on the issue. What

Re: [AFMUG] CDN Overload

: [AFMUG] CDN Overload Didn't you have a bunch of problems with LimeLight in the past? - Mike Hammett <http://www.ics-il.com/> Intelligent Computing Solutions <https://www.facebook.com/ICSIL> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> <https:

Re: [AFMUG] CDN Overload

:10 PM Subject: Re: [AFMUG] CDN Overload Mike, I know this doesn’t have all the information you are looking for, but it’s all I have time to capture right now. The source IPs seem to be Level3 CDN, and it’s sending just under 6 Mbps of traffic to a customer rate-limited by the tower router t

Re: [AFMUG] CDN Overload

catch more platforms. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Mike Hammett" To: af@afmug.com Sent: Wednesday, September 21, 2016 9:14:20 AM Subject: Re: [AFMUG] CDN Overload

Re: [AFMUG] CDN Overload

https://goo.gl/forms/LvgFRsMdNdI8E9HF3 I have made this into a Google Form to make it easier to track compared to randomly formatted responses on multiple mailing lists, Facebook Groups, etc. - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WIS

Re: [AFMUG] CDN Overload

What CDN? Mostly LLNW and Microsoft What have you identified the traffic to be? Mostly Windows Update What is the access network? I don't understand the question; PTMP wireless? Where is the rate limiting done? At the PMP450 Access Point How is the rate limiting done (policing vs. queueing, SFQ, P

Re: [AFMUG] CDN Overload

- Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Ken Hohhof" To: af@afmug.com Sent: Tuesday, September 20, 2016 1:54:10 PM Subject: Re: [AFMUG] CDN Overload Mike, I know this doesn’t have all t

Re: [AFMUG] CDN Overload

8:58:12 AM Subject: Re: [AFMUG] CDN Overload I’ve seen it the most from Limelight. Don’t know what they are cramming down my user’s throats but I suspect it is either Microsoft or Apple. Jim Bouse Owner Mobile IT Pro - Brazos WiFi 979-985-5912 j...@brazoswifi.com From: Af [mail

Re: [AFMUG] CDN Overload

: Monday, September 19, 2016 10:29 PM To: af@afmug.com Subject: Re: [AFMUG] CDN Overload Gather evidence, attempt to work cooperatively, then name and shame if necessary. But yes, that's close to my intention. If you do your homework properly, the greater networking community is very powerful and

Re: [AFMUG] CDN Overload

.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > From: "Paul Stewart" mailto:p...@paulstewart.org>> > To: af@afmug.com <mailto:af@afmug.com> > Sent: Monday, September 19, 2016 10:11:49 PM > Subject: Re: [AFMUG

Re: [AFMUG] CDN Overload

: af@afmug.com Sent: Monday, September 19, 2016 10:16:26 PM Subject: Re: [AFMUG] CDN Overload Did you just indicate an intention to get a cdn to alter a corporate policy? I have a huge satchel, I mean it could probably hold a couple bowling balls, reality only fills it with a couple small

Re: [AFMUG] CDN Overload

"What is the access network?" - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "Paul Stewart" To: af@afmug.com Sent: Monday, September 19, 2016 10:11:49 PM Subject: Re:

Re: [AFMUG] CDN Overload

Did you just indicate an intention to get a cdn to alter a corporate policy? I have a huge satchel, I mean it could probably hold a couple bowling balls, reality only fills it with a couple small pecans. Does it hurt? On Sep 19, 2016 9:43 PM, "Mike Hammett" wrote: Have you seen a CDN overloadin

Re: [AFMUG] CDN Overload

Might suggest also what kind of last mile connectivity they have (WISP vs other) to see if something correlates there…. I don’t see or have heard of this on cable, DSL, or FTTH … Paul > On Sep 19, 2016, at 10:43 PM, Mike Hammett wrote: > > Have you seen a CDN overloading a customer? Help me

[AFMUG] CDN Overload

Have you seen a CDN overloading a customer? Help me gather information on the issue. What CDN? What have you identified the traffic to be? What is the access network? Where is the rate limiting done? How is the rate limiting done (policing vs. queueing, SFQ, PFIFO, etc,, etc.)? What is doin

Re: [AFMUG] CDN overload

At least I haven’t seen a repeat of what happened 4 weeks ago with 100-150 Mbps to a 3 Mbps customer. From: Mike Hammett Sent: Thursday, August 11, 2016 8:39 AM To: af@afmug.com Subject: Re: [AFMUG] CDN overload I saw this in action today from Microsoft. I didn't see 15, but I did see

Re: [AFMUG] CDN overload

12, 2016 5:13:46 PM Subject: [AFMUG] CDN overload I have had it with these CDNs sending more traffic than the last mile can handle. Got a customer at 1.5Mbps on 900 FSK and they're sending to her at 15Mbps. Of course the AP reports RF downlink overloaded.

Re: [AFMUG] CDN overload

.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> From: "Ken Hohhof" <mailto:af...@kwisp.com> To: af@afmug.com<mailto:af@afmug.com> Sent: Tuesday, July 19, 2016 7:37:42 PM Subject: Re: [AFMUG] CDN overload I saw it to various customers for 2 d

Re: [AFMUG] CDN overload

-- *From: *"Ken Hohhof" *To: *af@afmug.com *Sent: *Tuesday, July 19, 2016 7:37:42 PM *Subject: *Re: [AFMUG] CDN overload I saw it to various customers for 2 days starting mid day last Tuesday. It has not come back. Even today, which is Tuesday again. I w

Re: [AFMUG] CDN overload

" To: af@afmug.com Sent: Tuesday, July 19, 2016 7:37:42 PM Subject: Re: [AFMUG] CDN overload I saw it to various customers for 2 days starting mid day last Tuesday. It has not come back. Even today, which is Tuesday again. I wonder if it had something to do with the expiration of the

Re: [AFMUG] CDN overload

they were not following TCP congestion management. I quickly added another GigE EHWIC module to the Cisco router so it wouldn’t happen again, but something really nasty was going on. From: George Skorup Sent: Tuesday, July 19, 2016 7:06 PM To: af@afmug.com Subject: Re: [AFMUG] CDN overload

Re: [AFMUG] CDN overload

--- *From: *"George Skorup" *To: *af@afmug.com *Sent: *Thursday, July 14, 2016 1:33:21 AM *Subject: *Re: [AFMUG] CDN overload I forgot about this. Yes. A little later in the day, I started to see a lot of 13.n.n.n sources. Microsoft. Yeah, update Tuesday. Then

Re: [AFMUG] CDN overload

exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > -- > *From: *"Paul Stew

Re: [AFMUG] CDN overload

uesday, July 19, 2016 3:33:39 PM Subject: Re: [AFMUG] CDN overload Good points Mike …. I’ve never seen a CDN do this kind of behaviour before and curious why some folks see this occurring … Paul On Jul 19, 2016, at 3:53 PM, Mike Hammett < af...@ics-il.net > wrote: Have you

Re: [AFMUG] CDN overload

net-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > From: "George Skorup" m

Re: [AFMUG] CDN overload

korup" To: af@afmug.com Sent: Tuesday, July 12, 2016 5:13:46 PM Subject: [AFMUG] CDN overload I have had it with these CDNs sending more traffic than the last mile can handle. Got a customer at 1.5Mbps on 900 FSK and they're sending to her at 15Mbps. Of course the AP reports RF downlink overloaded.

Re: [AFMUG] CDN overload

. = - Mike Hammett Intelligent Computing Solutions Midwest Internet Exchange The Brothers WISP - Original Message - From: "George Skorup" To: af@afmug.com Sent: Thursday, July 14, 2016 1:33:21 AM Subject: Re: [AFMUG] CDN overload I forgot about this. Yes

Re: [AFMUG] CDN overload

: af@afmug.com Sent: Thursday, July 14, 2016 4:05:01 PM Subject: Re: [AFMUG] CDN overload We sent this the below instructions out to a section of customers who are on a small upstream and were killing on Update Tuesday and the day after. The metering option helps if they have PC's conn

Re: [AFMUG] CDN overload

he number of connections between any >> given src and dst pair. Set it to 10 or 15 and it shouldn't break any sane >> service. >> >> If it's multiple src IP's then put a cap on number of connections between >> 13.x.x.x src and any of your IP's. >&

Re: [AFMUG] CDN overload

number of connections between any >> given src and dst pair. Set it to 10 or 15 and it shouldn't break any sane >> service. >> >> If it's multiple src IP's then put a cap on number of connections between >> 13.x.x.x src and any of your IP's. >> &g

Re: [AFMUG] CDN overload

13.x.x.x src and any of your IP's. > > -- Original Message -- > From: "Craig Schmaderer" > To: "af@afmug.com" > Sent: 7/14/2016 3:25:21 PM > Subject: Re: [AFMUG] CDN overload > > > Same here, it didn’t take me very long to assume it was window

Re: [AFMUG] CDN overload

nd it shouldn't break any sane service. If it's multiple src IP's then put a cap on number of connections between 13.x.x.x src and any of your IP's. -- Original Message -- From: "Craig Schmaderer" To: "af@afmug.com" Sent: 7/14/2016 3:25:21 PM Subject: R

Re: [AFMUG] CDN overload

* Thursday, July 14, 2016 1:26 PM *To:* af@afmug.com *Subject:* Re: [AFMUG] CDN overload Wowzers. I guess I feel better knowing it’s not just me, this really had my head spinning, trying to figure out who was attacking me. But yeah, they changed something this week. It used to be pretty commo

Re: [AFMUG] CDN overload

Behalf Of Ken Hohhof Sent: Thursday, July 14, 2016 1:26 PM To: af@afmug.com Subject: Re: [AFMUG] CDN overload Wowzers. I guess I feel better knowing it’s not just me, this really had my head spinning, trying to figure out who was attacking me. But yeah, they changed something this week. It used to

Re: [AFMUG] CDN overload

not playing nice and pushing all other traffic aside. But we all know ISPs are evil and Silicon Valley can do no wrong, so it must be our fault somehow. From: Mathew Howard Sent: Thursday, July 14, 2016 10:10 AM To: af Subject: Re: [AFMUG] CDN overload Just had another one call in... 93

Re: [AFMUG] CDN overload

t to not matter how long the download takes. >> >> ...of course MS is not likely to care about my opinion on the matter. >> >> >> -- Original Message -- >> From: "George Skorup" >> To: af@afmug.com >> Sent: 7/14/2016 2:33:21 AM >> Sub

Re: [AFMUG] CDN overload

it's in the background and they don't even know it's > happening then it ought to not matter how long the download takes. > > ...of course MS is not likely to care about my opinion on the matter. > > > -- Original Message -- > From: "George Skorup&q

Re: [AFMUG] CDN overload

ng hit with the same thing early yesterday afternoon. At first I thought I was getting DDOS attacks. *From:* George Skorup <mailto:geo...@cbcast.com> *Sent:* Tuesday, July 12, 2016 6:21 PM *To:* af@afmug.com <mailto:af@afmug.com> *Subject:* Re: [AFMUG] CDN overload Yup. LLNW. On 7/12/2

Re: [AFMUG] CDN overload

en know it's > happening then it ought to not matter how long the download takes. > > ...of course MS is not likely to care about my opinion on the matter. > > > -- Original Message -- > From: "George Skorup" > To: af@afmug.com > Sent: 7/14/2016 2:

Re: [AFMUG] CDN overload

> > > -- Original Message -- > From: "George Skorup" > To: af@afmug.com > Sent: 7/14/2016 2:33:21 AM > Subject: Re: [AFMUG] CDN overload > > > I forgot about this. Yes. A little later in the day, I started to see a > lot of 13.n.n.n sources. Microsoft

Re: [AFMUG] CDN overload

it ought to not matter how long the download takes. ...of course MS is not likely to care about my opinion on the matter. -- Original Message -- From: "George Skorup" mailto:geo...@cbcast.com>> To: af@afmug.com <mailto:af@afmug.com> Sent: 7/14/2016 2:33:21 AM Subje

Re: [AFMUG] CDN overload

don't even know it's happening then it ought to not matter how long the download takes. ...of course MS is not likely to care about my opinion on the matter. -- Original Message -- From: "George Skorup" To: af@afmug.com Sent: 7/14/2016 2:33:21 AM Subject: Re: [AFMU

Re: [AFMUG] CDN overload

; > On 7/13/2016 11:39 PM, Ken Hohhof wrote: > > George, did you identify the application or content provider, or only the > CDN? > > I think I started getting hit with the same thing early yesterday afternoon. > At first I thought I was getting DDOS attacks. > > > From:

Re: [AFMUG] CDN overload

DOS attacks. *From:* George Skorup <mailto:geo...@cbcast.com> *Sent:* Tuesday, July 12, 2016 6:21 PM *To:* af@afmug.com <mailto:af@afmug.com> *Subject:* Re: [AFMUG] CDN overload Yup. LLNW. On 7/12/2016 5:35 PM, Ken Hohhof wrote: I assume you torched the traffic and verified it is all co

Re: [AFMUG] CDN overload

: [AFMUG] CDN overload Yup. LLNW. On 7/12/2016 5:35 PM, Ken Hohhof wrote: I assume you torched the traffic and verified it is all coming from a particular CDN, not a random bunch of IPs as would be the case with BT. Since this isn’t your first rodeo. From: George Skorup Sent: Tuesday

Re: [AFMUG] CDN overload

years ago, but when you connect to upstreams via microwave, you take it where you can get it. -Original Message- From: Josh Reynolds Sent: Wednesday, July 13, 2016 10:45 AM To: af@afmug.com Subject: Re: [AFMUG] CDN overload Don't have a decently sized tower hut there with HVAC?

Re: [AFMUG] CDN overload

? > > On Wed, Jul 13, 2016 at 10:43 AM, Ken Hohhof wrote: > > Tower. > > > > -Original Message- From: Josh Reynolds > > Sent: Wednesday, July 13, 2016 10:15 AM > > > > To: af@afmug.com > > Subject: Re: [AFMUG] CDN overload > > > >

Re: [AFMUG] CDN overload

Don't have a decently sized tower hut there with HVAC? On Wed, Jul 13, 2016 at 10:43 AM, Ken Hohhof wrote: > Tower. > > -Original Message- From: Josh Reynolds > Sent: Wednesday, July 13, 2016 10:15 AM > > To: af@afmug.com > Subject: Re: [AFMUG] CDN overload &

Re: [AFMUG] CDN overload

Tower. -Original Message- From: Josh Reynolds Sent: Wednesday, July 13, 2016 10:15 AM To: af@afmug.com Subject: Re: [AFMUG] CDN overload Is your headend a shack? :) On Wed, Jul 13, 2016 at 7:06 AM, Ken Hohhof wrote: I wish they made a box that didn't need a data center enviro

Re: [AFMUG] CDN overload

nt: Tuesday, July 12, 2016 11:17 PM > > To: af@afmug.com > Subject: Re: [AFMUG] CDN overload > > Slight correction, you can virtually do whatever you want, you just > can't really block "legal" things, and have to make a good excuse for > "reasonable network mana

Re: [AFMUG] CDN overload

I wish they made a box that didn't need a data center environment. Not looking forward to putting in an outdoor enclosure with HVAC. -Original Message- From: Josh Reynolds Sent: Tuesday, July 12, 2016 11:17 PM To: af@afmug.com Subject: Re: [AFMUG] CDN overload Slight correction

Re: [AFMUG] CDN overload

ul 12, 2016 at 9:44 PM, Josh Reynolds >> wrote: >> >>> >> >>> The policer at the network edge can be much more aggressive than a >> >>> "policer" on an embedded customer network device, and this prevents >> >>> that "

Re: [AFMUG] CDN overload

an a > >>> "policer" on an embedded customer network device, and this prevents > >>> that "15Mbps for a 900MHz customer" bandwidth from transitioning > >>> across your backhauls / backbone... per customer. > >>> > >>> Proc

Re: [AFMUG] CDN overload

gt; "policer" on an embedded customer network device, and this prevents >>> that "15Mbps for a 900MHz customer" bandwidth from transitioning >>> across your backhauls / backbone... per customer. >>> >>> Procera and other

Re: [AFMUG] CDN overload

ckhauls / backbone... per customer. >> >> Procera and other similar solutions can help, yes. >> >> On Tue, Jul 12, 2016 at 8:02 PM, Ken Hohhof wrote: >> > How does it eliminate the problem, unless you use something like a >> > Procera >> > to selec

Re: [AFMUG] CDN overload

policing to the CDN stream, leaving the customer > some > > bandwidth for other traffic? > > > > From: Josh Reynolds > > Sent: Tuesday, July 12, 2016 7:22 PM > > To: af@afmug.com > > Subject: Re: [AFMUG] CDN overload > > > > > > Shaping/pol

Re: [AFMUG] CDN overload

ds > Sent: Tuesday, July 12, 2016 7:22 PM > To: af@afmug.com > Subject: Re: [AFMUG] CDN overload > > > Shaping/policing at the head end eliminates this problem, and clears up your > backbone. > > On Jul 12, 2016 7:06 PM, "Ken Hohhof" wrote: >> >> Whe

Re: [AFMUG] CDN overload

How does it eliminate the problem, unless you use something like a Procera to selectively apply policing to the CDN stream, leaving the customer some bandwidth for other traffic? From: Josh Reynolds Sent: Tuesday, July 12, 2016 7:22 PM To: af@afmug.com Subject: Re: [AFMUG] CDN overload

Re: [AFMUG] CDN overload

gt; the ISP’s fault. >> >> >> *From:* Darin Steffl >> *Sent:* Tuesday, July 12, 2016 5:42 PM >> *To:* af@afmug.com >> *Subject:* Re: [AFMUG] CDN overload >> >> >> Why aren't you rate limiting at the core closer to your upstream? Keep >>

Re: [AFMUG] CDN overload

at pipes like 50 or 100 Mbps cable Internet > probably don’t experience this problem, which reinforces the idea that it’s > the ISP’s fault. > > > *From:* Darin Steffl > *Sent:* Tuesday, July 12, 2016 5:42 PM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] CDN overload > > >

Re: [AFMUG] CDN overload

To: af@afmug.com Subject: Re: [AFMUG] CDN overload Why aren't you rate limiting at the core closer to your upstream? Keep the traffic off your last mile and wireless backhaul network if you can help it. Works much better to throttle at the core instead of CPE. Sent from my smartphone. P

Re: [AFMUG] CDN overload

That’s really strange .. and have heard that with LLNW before on this list…. but I’ve never actually seen it in action … the traffic should ramp up until it starts to get some loss/degragation and then taper to the point of using as much as possible…. > On Jul 12, 2016, at 3:13 PM, George S

Re: [AFMUG] CDN overload

uesday, July 12, 2016 5:31 PM *To:* af@afmug.com <mailto:af@afmug.com> *Subject:* Re: [AFMUG] CDN overload Because they dick with TCP. On 7/12/2016 5:23 PM, Eric Kuhnke wrote: And why is it the fault of the CDN? It could be a customer with a 100-peer bittorrent session downloading 30GB o

Re: [AFMUG] CDN overload

Why aren't you rate limiting at the core closer to your upstream? Keep the traffic off your last mile and wireless backhaul network if you can help it. Works much better to throttle at the core instead of CPE. Sent from my smartphone. Please excuse any typos. On Jul 12, 2016 5:13 PM, "George Skor

Re: [AFMUG] CDN overload

I assume you torched the traffic and verified it is all coming from a particular CDN, not a random bunch of IPs as would be the case with BT. Since this isn’t your first rodeo. From: George Skorup Sent: Tuesday, July 12, 2016 5:31 PM To: af@afmug.com Subject: Re: [AFMUG] CDN overload

Re: [AFMUG] CDN overload

Because they dick with TCP. On 7/12/2016 5:23 PM, Eric Kuhnke wrote: And why is it the fault of the CDN? It could be a customer with a 100-peer bittorrent session downloading 30GB of Ubuntu DVD ISOs. On Tue, Jul 12, 2016 at 3:13 PM, George Skorup > wrote: I hav

Re: [AFMUG] CDN overload

And why is it the fault of the CDN? It could be a customer with a 100-peer bittorrent session downloading 30GB of Ubuntu DVD ISOs. On Tue, Jul 12, 2016 at 3:13 PM, George Skorup wrote: > I have had it with these CDNs sending more traffic than the last mile can > handle. Got a customer at 1.5Mbp

[AFMUG] CDN overload

I have had it with these CDNs sending more traffic than the last mile can handle. Got a customer at 1.5Mbps on 900 FSK and they're sending to her at 15Mbps. Of course the AP reports RF downlink overloaded.