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Re: Network Link conditioner doesn't work on macOS Sierra
eskimo Oct 19, 2016 3:30 PM (in response to jarheadii)Network Link Conditioner is quite tightly bound to the kernel architecture and, as such, has to be updated with each major OS release. Did you install the Xcode 8 version? If not, you should.
You can find this by:
launching Xcode 8
choosing Xcode > Open Developer Tool > More Developer Tools
finding, downloading and installing Additional Tools for Xcode 8
Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardwarelet myEmail = "eskimo" + "1" + "@apple.com"
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Re: Network Link conditioner doesn't work on macOS Sierra
jarheadii Oct 22, 2016 6:34 AM (in response to eskimo)yes Xcode 8 it's already on my computer, but when I launch Network link conditioner, I switch on but it has no effect on my network connectivity, even when set to 100% loss.
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Re: Network Link conditioner doesn't work on macOS Sierra
eskimo Oct 24, 2016 3:09 AM (in response to jarheadii)It’s working for me. Here’s what I did:
On 10.12, I downloaded the Additional Tools for Xcode 8 disk image.
I mounted it and double clicked Network Link Conditioner.prefPane.
That brought me to System Preferences, where I clicked Install to install preferences pane.
In the preferences pane, I created a new profile called
latency
, where each of the Delay fields is see to 300 milliseconds.In Terminal, I started pinging a local device; the ping time was a few milliseconds.
Back in the preferences pane, I activated my profile; looking at Terminal, I saw the ping time jump to over 300 milliseconds.
&. I then deactivate my profile; the ping time returned to normal.
Here’s a transcript of what I saw in Terminal:
$ ping fluffy.local. PING fluffy.local (192.168.1.39): 56 data bytes 64 bytes from 192.168.1.39: icmp_seq=0 ttl=64 time=2.722 ms 64 bytes from 192.168.1.39: icmp_seq=1 ttl=64 time=2.187 ms 64 bytes from 192.168.1.39: icmp_seq=2 ttl=64 time=2.092 ms 64 bytes from 192.168.1.39: icmp_seq=3 ttl=64 time=2.408 ms 64 bytes from 192.168.1.39: icmp_seq=4 ttl=64 time=2.536 ms 64 bytes from 192.168.1.39: icmp_seq=5 ttl=64 time=303.466 ms 64 bytes from 192.168.1.39: icmp_seq=6 ttl=64 time=302.965 ms 64 bytes from 192.168.1.39: icmp_seq=7 ttl=64 time=302.052 ms 64 bytes from 192.168.1.39: icmp_seq=8 ttl=64 time=302.970 ms 64 bytes from 192.168.1.39: icmp_seq=9 ttl=64 time=302.708 ms … 64 bytes from 192.168.1.39: icmp_seq=185 ttl=64 time=302.126 ms 64 bytes from 192.168.1.39: icmp_seq=186 ttl=64 time=302.047 ms 64 bytes from 192.168.1.39: icmp_seq=187 ttl=64 time=303.105 ms 64 bytes from 192.168.1.39: icmp_seq=188 ttl=64 time=302.251 ms 64 bytes from 192.168.1.39: icmp_seq=189 ttl=64 time=302.295 ms 64 bytes from 192.168.1.39: icmp_seq=190 ttl=64 time=2.401 ms 64 bytes from 192.168.1.39: icmp_seq=191 ttl=64 time=2.208 ms 64 bytes from 192.168.1.39: icmp_seq=192 ttl=64 time=2.412 ms 64 bytes from 192.168.1.39: icmp_seq=193 ttl=64 time=2.422 ms 64 bytes from 192.168.1.39: icmp_seq=194 ttl=64 time=2.495 ms …
Please try this out and let me know what you see.
Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardwarelet myEmail = "eskimo" + "1" + "@apple.com"
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Re: Network Link conditioner doesn't work on macOS Sierra
wyguy321 Oct 25, 2016 8:01 AM (in response to eskimo)Thanks for helping eskimo,
I am having trouble getting the "100% loss" profile to work appropiately on my computer. I'm on macOS Version: 10.12
Thanks!
Wyatt
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Re: Network Link conditioner doesn't work on macOS Sierra
wyguy321 Oct 25, 2016 8:03 AM (in response to wyguy321)I also installed the latest "Additional tools "from appledeveloper.com. I even erased the prior version and installed the latest network link conditioner. Still nothing.
Any ideas?
Wyatt
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Re: Network Link conditioner doesn't work on macOS Sierra
jlstmac Oct 26, 2016 12:05 AM (in response to jarheadii)Mac OS 10.12 + Xcode8 + Additional tools for Xcode8。Only "High Latency DNS" works for me!
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Re: Network Link conditioner doesn't work on macOS Sierra
eskimo Oct 26, 2016 3:33 AM (in response to jarheadii)Folks, it would help if you were more precise about what you tried, what worked, and what didn’t. I was hoping for something along the lines of I repeated the steps from your Oct 24 post and it worked as you described, but if I change step A to do X and change step B to Y then I see symptoms Z.
Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardwarelet myEmail = "eskimo" + "1" + "@apple.com"
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Re: Network Link conditioner doesn't work on macOS Sierra
jlstmac Oct 26, 2016 7:45 PM (in response to eskimo)
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Re: Network Link conditioner doesn't work on macOS Sierra
jlstmac Oct 26, 2016 7:43 PM (in response to jarheadii)Only “DNS Delay” working.
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Re: Network Link conditioner doesn't work on macOS Sierra
eskimo Oct 27, 2016 2:12 AM (in response to jlstmac)I took another look at this and uncovered a known problem with Network Link Conditioner (r. 28793013) whereby the Xcode 8 version is not compatible with macOS 10.12. I don’t have any details to share as to when this will be fixed. For the moment, you’ll have to do this sort of testing on OS X 10.11 or iOS.
Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardwarelet myEmail = "eskimo" + "1" + "@apple.com"
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Re: Network Link conditioner doesn't work on macOS Sierra
eskimo Oct 28, 2016 12:44 AM (in response to eskimo)I took another look at this and uncovered a known problem with Network Link Conditioner (r. 28793013) whereby the Xcode 8 version is not compatible with macOS 10.12. I don’t have any details to share as to when this will be fixed.
Some good news here. The Additional Tools for Xcode 8.1, now available on the Downloads page, has the fixed Network Link Conditioner. Yay!
[You know, when I tell folks I can’t accurately predict the future I’m not joking; if my crystal ball hadn’t been on the fritz I would’ve delayed responding by a day (-:]
Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardwarelet myEmail = "eskimo" + "1" + "@apple.com"
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Re: Network Link conditioner doesn't work on macOS Sierra
warren701 Oct 31, 2016 2:47 AM (in response to eskimo)It worked!
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Re: Network Link conditioner doesn't work on macOS Sierra
skeelo221 Jan 9, 2017 7:38 AM (in response to eskimo)NLC is not working for me on 10.12.2
I installed the NLC pref pane from "Additional_Tools_for_Xcode_8.1"
I am attempting to use it to limit my uplink speed (initial iCloud photo library upload bringing my home network to a halt)
Edit: restarting computer after initial install of NLC fixed it (now working)
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Re: Network Link conditioner doesn't work on macOS Sierra
emilc Jan 11, 2017 12:06 PM (in response to eskimo)I have El Captain (10.11.6), latest XCode 8.2.1, latest network link conditioner for 8.2 XCode and it's not working. I have restarted mac after installing it and nothing has changed.
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Re: Network Link conditioner doesn't work on macOS Sierra
eskimo Jan 12, 2017 2:35 AM (in response to emilc)If you’re running 10.11.x you should try the Network Link Conditioner from the last Xcode 7 release. While the latest Network Link Conditioner should handle older releases, that’s not exactly the well trodden path.
Share and Enjoy
—
Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardwarelet myEmail = "eskimo" + "1" + "@apple.com"
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Re: Network Link conditioner doesn't work on macOS Sierra
emilc Jan 12, 2017 10:39 AM (in response to eskimo)I downloaded Hardware IO Tools for XCode 7.3 and added NLC from this package and works great! Thanks for quick reply, you're awesome.
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Re: Network Link conditioner doesn't work on macOS Sierra
Spinal Jul 16, 2018 8:31 PM (in response to eskimo)Thank you, it's works!
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