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NETMAN  2014

NETMAN 2014

Subject:

Re: Xbox One link flaps

From:

"Higgins, Benjamin John" <[log in to unmask]>

Reply-To:

The EDUCAUSE Network Management Constituent Group Listserv <[log in to unmask]>

Date:

Thu, 18 Dec 2014 13:39:26 +0000

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (1 lines)

We've been able to stop the issue as well.  Change power saving mode from "Instant On" to "Energy Saver".  Basically - "Energy Saver" shuts the device down while "Instant On" still listens to Kinect, etc for "xbox on" voice commands.



Unfortunately, this means we need to rely upon the student population to adjust their XBoxen to solve the network issue.  Certainly not an ideal scenario.



-----Original Message-----

From: The EDUCAUSE Network Management Constituent Group Listserv [mailto:[log in to unmask]] On Behalf Of Dexter Caldwell

Sent: Wednesday, December 17, 2014 11:27 PM

To: [log in to unmask]

Subject: Re: [NETMAN] Xbox One link flaps



That answers my question then.  Was wondering if perhaps processing voice commands or ambient noise were causing it to wake enough to evaluate audio input, although a few things in the log did suggest seem to hint at other potential causes than that.



-----Original Message-----

From: The EDUCAUSE Network Management Constituent Group Listserv [mailto:[log in to unmask]] On Behalf Of Frank Sweetser

Sent: Wednesday, December 17, 2014 9:19 PM

To: [log in to unmask]

Subject: Re: [NETMAN] Xbox One link flaps



I don't know about with it attached, but we can reliably reproduce it on our test unit without one.



Frank Sweetser fs at wpi.edu    |  For every problem, there is a solution that

Manager of Network Operations   |  is simple, elegant, and wrong.

Worcester Polytechnic Institute |           - HL Mencken



On 12/17/2014 6:06 AM, Dexter Caldwell wrote:

> Does this happen both with and without Kinect attached?

>

> *From:*The EDUCAUSE Network Management Constituent Group Listserv 

> [mailto:[log in to unmask]] *On Behalf Of *John Chappell

> *Sent:* Thursday, December 11, 2014 12:57 PM

> *To:* [log in to unmask]

> *Subject:* Re: [NETMAN] Xbox One link flaps

>

> I've noticed the same thing happening on our network. We're a Cisco 

> shop running 2960s.

>

> Xbox One's appear to do a link up/down repeatedly. The only way I've 

> managed to stop it briefly (about 5 minutes) is if the owner unplugs 

> the power for the Xbox and then plugs it back after about 30 seconds.

>

> It's very annoying issue as I have about 10 ports which are currently 

> flapping and nothing seems to work to permanently stop the event.

>

>

> Regards,

>

> *John Chappell*

>

> *IT Coordinator*

>

> *Residence Services *

>

> Mount Royal University

>

> Calgary, Alberta

>

> Office: 403.440.5198

>

> Mobile: 403.829.6455

>

> "If you can't explain it simply, you don't understand it well enough." 

> - Albert Einstein

>

> On Wed, Dec 10, 2014 at 8:35 PM, Frank Sweetser <[log in to unmask] 

> <mailto:[log in to unmask]>> wrote:

>

>     We're still testing, but our early results suggest that the XBox One does

>     a steady link up/link down whenever it's "off".  No idea yet if this is

>     intended behavior, or something intentional (after all, who tests how well

>     the network stack works when off?)

>

>     Frank Sweetser fs at wpi.edu <http://wpi.edu>    |  For every problem,

>     there is a solution that

>     Manager of Network Operations   |  is simple, elegant, and wrong.

>     Worcester Polytechnic Institute |           - HL Mencken

>

>     On 12/8/2014 11:52 AM, Hall, Rand wrote:

>

>         YES! And, in our Cisco DAI environment, a very steady stream of

>         invalid ARP

>         requests.

>

>         169589: Dec  3 20:27:23: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to down

>         169590: Dec  3 20:27:28: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to up

>         169591: Dec  3 20:27:28: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa2/0/5, vlan

>         12.([3059.b789.484c/0.0.0.0/0000.0000.0000/10.0.117.250/15:27:28

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:27:28>

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:27:28> EST Wed Dec 3 2014])

>         169592: Dec  3 20:27:29: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa2/0/5, vlan

>         12.([3059.b789.484c/0.0.0.0/0000.0000.0000/10.0.117.250/15:27:29

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:27:29>

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:27:29> EST Wed Dec 3 2014])

>         169593: Dec  3 20:27:34: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to down

>         169594: Dec  3 20:27:40: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to up

>         169595: Dec  3 20:27:47: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to down

>         169596: Dec  3 20:27:51: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to up

>         169597: Dec  3 20:29:17: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa1/0/28, vlan

>         12.([501a.c533.8f42/0.0.0.0/0000.0000.0000/10.0.118.37/15:29:16

>         <http://0.0.0.0/0000.0000.0000/10.0.118.37/15:29:16>

>         <http://0.0.0.0/0000.0000.0000/10.0.118.37/15:29:16> EST Wed Dec 3 2014])

>         169598: Dec  3 20:29:18: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa1/0/28, vlan

>         12.([501a.c533.8f42/0.0.0.0/0000.0000.0000/10.0.118.37/15:29:17

>         <http://0.0.0.0/0000.0000.0000/10.0.118.37/15:29:17>

>         <http://0.0.0.0/0000.0000.0000/10.0.118.37/15:29:17> EST Wed Dec 3 2014])

>         169599: Dec  3 20:29:29: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to down

>         169600: Dec  3 20:29:33: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to up

>         169601: Dec  3 20:29:36: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to down

>         169602: Dec  3 20:29:50: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa2/0/5, vlan

>         12.([3059.b789.484c/0.0.0.0/0000.0000.0000/10.0.117.250/15:29:49

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:29:49>

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:29:49> EST Wed Dec 3 2014])

>         169603: Dec  3 20:29:51: %LINK-3-UPDOWN: Interface FastEthernet2/0/5,

>         changed

>         state to up

>         169604: Dec  3 20:29:51: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa2/0/5, vlan

>         12.([3059.b789.484c/0.0.0.0/0000.0000.0000/10.0.117.250/15:29:50

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:29:50>

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:29:50> EST Wed Dec 3 2014])

>         169605: Dec  3 20:29:52: %SW_DAI-4-INVALID_ARP: 1 Invalid ARPs (Req) on

>         Fa2/0/5, vlan

>         12.([3059.b789.484c/0.0.0.0/0000.0000.0000/10.0.117.250/15:29:51

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:29:51>

>         <http://0.0.0.0/0000.0000.0000/10.0.117.250/15:29:51> EST Wed 

> Dec 3 2014])

>

>

>         Rand

>         Rand P. Hall

>         Director, Network Services                 askIT!

>         Merrimack College

>         978-837-3532 <tel:978-837-3532>

>         [log in to unmask] <mailto:[log in to unmask]>

>         <mailto:[log in to unmask] 

> <mailto:[log in to unmask]>>

>

>         If I had an hour to save the world, I would spend 55 minutes defining the

>         problem and five minutes finding solutions. – Einstein

>

>         On Sun, Dec 7, 2014 at 8:15 PM, Chuck Anderson <[log in to unmask]

>         <mailto:[log in to unmask]>

>         <mailto:[log in to unmask] <mailto:[log in to unmask]>>> wrote:

>

>              Has anyone else noticed Xbox One consoles causing lots of ethernet

>              link flaps?  We had a few switches where the CPU utilization kept

>              going high and tracked it down to a few ports that were flapping

>         their

>              links every 5-60 seconds which causes the switch to have to process

>              802.1X MAC-RADIUS frequently.  When I investigated what was connected

>              to those ports, many of them were Xbox One consoles.

>

>              We are using Juniper switches which don't have a link-flap detection

>              feature to shutdown the port automatically with too many link

>         flaps as

>              far as I know, but they do have interface hold-timers.  I was

>              considering enabling hold-timers as high as 30 seconds or more to

>              dampen these flaps so they can't happen so often, hopefully

>         mitigating

>              the CPU utlization issue.  Has anyone tried this and does it

>         cause any

>              other problems?  I'm thinking it may cause issues with DHCP timeouts

>              or the like if it takes too long for the port to forward traffic upon

>              link-up.

>

>              **********

>              Participation and subscription information for this EDUCAUSE

>         Constituent

>              Group discussion list can be found at

>         http://www.educause.edu/groups/.

>

>

>         ********** Participation and subscription information for this EDUCAUSE

>         Constituent Group discussion list can be found at

>         http://www.educause.edu/groups/.

>

>

>     **********

>     Participation and subscription information for this EDUCAUSE Constituent

>     Group discussion list can be found at http://www.educause.edu/groups/.

>

> ********** Participation and subscription information for this 

> EDUCAUSE Constituent Group discussion list can be found at 

> http://www.educause.edu/groups/.

>



**********

Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.

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