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49 votes

How to enable faster WiFi Roaming with Mac OS X & Airport base stations

You can change the system preferences for JoinMode and JoinModeFallback to be the following: JoinMode (String) Automatic Preferred Ranked Recent Strongest ...
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47 votes

How do you force a 5 GHz wifi connection?

In short: you can not force a frequency band in OS X 10.9 Mavericks. (On 10.5 you can...) You want to connect to the device using Basic service set identification (BSSID) instead of regular Service ...
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44 votes
Accepted

Software update on obsolete system: is it real?

This is real, yes. A lot of older software updates (but also newer ones e.g. some 10.14.6 Supplemental Update from September 2019!) are signed with a certificate which becomes/became invalid on Oct, ...
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  • 63.8k
42 votes
Accepted

MacBook Pro experiencing ping spikes to local router

I'm posting this reply on a few threads to make it easier to find. I chased the same issue and finally found the cause. Locationd. Open the console app and watch while you do a continuous ping. ...
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  • 536
41 votes

MacBook Pro experiencing ping spikes to local router

I've had exactly the same problem, it was troubling me quite a long time. It is especially annoying when working remotely over SSH or playing multiplayer games. Here is my long-term solution: ...
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  • 511
34 votes

How do you force a 5 GHz wifi connection?

This is a partial-temporary solution. Basically, if the frequencies are on different channel numbers then it is possible to "set" the particular wifi band (worked on OSX Mavericks). High-...
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  • 441
22 votes

How do you force a 5 GHz wifi connection?

For 10.11.x, because the options for controlling the Broadcom driver are limited, you will want to first disable roaming, sudo defaults write /Library/Preferences/com.apple.airport.opproam disabled -...
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20 votes
Accepted

Why is Time Machine backing up to .sparsebundle file?

I'm pretty sure you can't, and you wouldn't want to. The OS only bypasses the bundle for locally attached backup destinations. Direct attached storage (DAS) uses the HFS+ filesystem and /Backups....
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20 votes
Accepted

DNS servers aren't specific to network?

How can I set up my DNS servers to be configured differently for each wireless network? Set and Change in Network Preferences You can set your own custom DNS settings on a location basis by defining ...
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  • 81.1k
19 votes

How can I get the list of all active network interfaces programmatically?

There may be several different ways to accomplish what you're asking, however, I'll just throw this out there. I have a MacBook Pro that doesn't have a built-in Ethernet Port so in my examples I'll ...
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  • 53.1k
17 votes
Accepted

My MacBook pro Wi-Fi is slow, other devices are OK

Your MCS is zero (0) which would explain why your WiFi is slow. That can happen if there is channel crowding (not only from your devices but neighbors included). You could just change the channel ...
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  • 45.2k
13 votes

How do you force a 5 GHz wifi connection?

I've spent some time on this issue and can attest that the only way to force a computer to the 5 GHz band is set up the 5 GHz band with a separate name. Otherwise, the computer will auto connect to 5 ...
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  • 1,948
13 votes
Accepted

How to refuse DHCP Server to change my hostname?

It took a LOT of Googling and digging to get this, but I finally found a solution that works. DHCP overrides the LocalHostName system property, but not the HostName property. By default the HostName ...
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11 votes

How do you force a 5 GHz wifi connection?

My work need me to force my Macbook Air to link at specific channel of 5GHz and for some reason, I can't use airport utility achieve that. My workaround is using Airtool to force my Macbook Air ...
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  • 111
10 votes

How can see ALL devices (including ethernet) connected to Airport Extreme?

There's a great shell command that scans your network on all interfaces that are connected. The command is arp -a.
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  • 1,210
9 votes

Is Apple Wifi called AirMac or AirPort in other countries?

Apple's Internationalization Resources Apple provide a wonderful set of glossaries and tools to help with internationalization. These include translation strings for popular languages. From Apple's ...
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  • 39.9k
8 votes

How to disconnect iPhone from WIFI without 'forgetting' it?

Turn off auto-join. I’ve searched for this several times and always thought it was a stupid design by apple but I finally worked it out. In your iPhone settings, turn WiFi off then back on again. If ...
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8 votes

Why is MT65xx Preloader a network interface on my Mac

MT65xx preloaded is related to MediaTek/Android devices Drivers,,seems like you where tethering an Android device of which is likely to be of MediaTek chipset of which won't work on Mac, but you can ...
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7 votes

Can I use my Mac's speakers and AirPlay / Bluetooth at the same time?

Try using the midi setup application included in OS X it can let you group sound outputs together. You just need to create a new multi-output group with the + button.
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6 votes

How to enable faster WiFi Roaming with Mac OS X & Airport base stations

I faced a similar problem (slow roaming - or no roaming at all) even with OSX 10.10.x - I have 2 AP, one Technicolor and one Cisco-Linksys connected to the same switch and broadcasting the same SSDI ...
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6 votes

How to show that my Internet connection is still up and active in menu bar?

With regard to modifying the system AirPort icon, I do not believe that what you are asking for is possible. To show internet connectivity, I use a combination of WiFi Signal (which could be ...
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  • 184k
6 votes

How to show that my Internet connection is still up and active in menu bar?

Found a very simple App, Icon Ping The world icon will change color accordingly to the state of the connection: Green if we receive pong packets back from 8.8.8.8. Connection OK. Yellow if we ...
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  • 61
6 votes
Accepted

Is there a built in command line utility for airport and other wifi networks?

There is a command line wireless utility called airport, but it is not in the user $PATH to be able to call it without remembering where it is. /System/Library/PrivateFrameworks/Apple80211.framework/...
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  • 2,767
6 votes
Accepted

Why did my Time Capsule disappear, while continuing to work as wireless router?

The same thing happened to me yesterday; I don't know if this will work for you. What fixed it is as you said go to "Configure Other", then disable Back to my Mac by clicking on the - sign on your ...
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  • 76
6 votes

Software update on obsolete system: is it real?

According to Apple's support pages, Airport Utility 5.6.1 was released back in June 2012. Why your Mac never noticed this update (or any of the others since 5.2.2) till now is a mystery. But it is a ...
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  • 22.7k
5 votes
Accepted

How to block certain IP/MAC Address that access your WiFi Network ?

On your airport extreme you can block certain mac address for good with "No Access". In your airports configuration go to the "Network" tab and check "Enable Access Control", then click on "Timed ...
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  • 3,740
5 votes

Why is Time Machine backing up to .sparsebundle file?

A Sparsebundle is a disk image format introduced by Apple in OSX 10.5 as a method of effectively using space for backups on a disk. This is an expandable/retractable disk that will only take up as ...
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  • 3,192
5 votes

MacBook Pro experiencing ping spikes to local router

Please run this script from the Terminal.app: while x=1; do /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I | grep Ctl; ping -c 1 192.168.1.1; sleep 1; ...
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5 votes
Accepted

Airport Time Capsule US power cord in Europe?

I remember reading the tech specs for Timecapsule some time ago and it is specified it has a range of 100V to 240V. So it should be fine. AirPort Time Capsule 802.11ac - Technical Specifications ...
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  • 188
5 votes

What's the difference between the three wireless antennas in MacBook Pros?

In general, WiFi uses the same antenna for both transmitting and receiving. In general, multiple WiFi antennas are used to get higher capacity (i.e. higher bandwidth). For example a common setup is ...
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  • 65.1k

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