Maximum number of Airport Express Units to be used with Airtunes?

Anyone know the "MAXIMUM" number of ABEs that can be used simultaneously with Airtunes?
And how much bandwith "each" unit would occupy?
I believe the MAX number of Airport Extreme/Express units in a WDS network is 5, would that be the answer? Or could it be more than that if the ABE's were setup as clients?
Thanks.
Jason

I think I remember seeing somewhere that the limit was 3. The problem you run into is that each Express requires its own UDP stream. At 700 megabits per second per Express, it starts chewing up bandwidth rather quickly.

Similar Messages

Maximum number of airport expresses on a network

Hi,
I'm using a time capsule and have three airport expresses connected to extend my wifi network. When I connect to the third airport express, all my devices cannot connect to the wifi network. The problem is resolved when I unplug the airport express and connect to the time capsule directly.
I was wondering if there is a maximum number of airport expresses that can be deployed on a network to extend the wifi connection.
Thanks

Apple does not provide a maximum number of extending devices for a network in their documenation, but the practical limit would probably be in 4-5 range. I've used 4 extending devices in the past with good results.
I"m assuming here that you are using the "extend a wireless network" setting on the AirPort Express, correct?
This setup works like the hub and spokes of a wheel. The main router is the "hub" and each of the AirPort Express devices reside at the end of a "spoke". The devices at the ends of the spokes communicate directly to the hub, not to another device at the end of a spoke.
So, in an ideal setup, your main router would occupy a central location in the home and the AirPort Express devices would be located approximately equal distance from the main router.
Can you provide a few more details on your setup?

Maximum number of concurrent devices that could be used with embedde oracle

Hi,
How to know what will be the maximum number of concurrent devices that could be used with embedded oracle?
Any help will be needful for me
Thanks and Regards

user598986 wrote:
How to know what will be the maximum number of concurrent devices that could be used with embedded oracle?Please define 'embedded Oracle'.
I assume you are talking about an Oracle-supplied database engine. Currently Oracle has several database engines: Oracle Database (Personal/Enterprise/Standard/Express); Oracle Berkeley Database; Oracle Times Ten Database; (iirc) InnoDB Transactional engine; and down the road possibly MySQL.
Many people mean Berkeley when asking this kind of question, but sice you ask it in an Oracle Database forum as compared to a Berkeley engine forum, I am not quite sure.
If you indeed mean 'Oracle Database', then it is a lecense question that needs to be discussed by you license people and Oracle sales.

Airport Express + iTunes 10 not working with Airtunes, but 2nd Airport does

Hey,
at first I have to excuse myself for my English, i come from Germany.
I looked around in the topics but i didn't find anything that helped me.
I own 2 Airport Express stations since nearly a year.
One of it creates a Wi-Fi network and is connected to a switch, which is connected to the internet.
The other Airport Express is set up as repeater and everything works fine, even Airtunes.
But then i noticed, that the Wi-Fi creating one was not able to work with Airtunes, which it was some weeks ago. I think this has something to do with iTunes 10. The other Airport works well with Airtunes with the same Macbook and speakers.
So I made a new set up on the Wi-Fi Airport, because some guys reported, that the problem would disappear then, but it didn't.
But I wondered why my iPhone 4 is now abled to play music via Airtunes with the new iOS 4.2.1 on the "broken" Airport, because my mac was not abled to do so and I thought of returning it to the Apple Store.
So how do i get this thing running again? I would like to use both of the Airports to listen to music in different rooms with my Macbook.
I would be glad for any help, thanks in advance
TheShima

@TheShima,
First open up the airport utility and see if both AE's show up. If not:
This would be my guess, unplug them both for 10 seconds, plug the network creating one back into the wall, them plug the second one back in after the first has a green light. If that doesn't work, "manual setup" and looking for the option that allows speaker sharing.
Finally if that doesn't work reset them, recreate the network reviewing the the advanced settings in "manual setup" and looking for the option that allows speaker sharing.
Does anyone know how to get movie audio to play through the airport express? I really want this to exist my wife's laptop speakers are awful and I would love to have the audio streamed to my airport express.

Airport Express not working when used with Broadband Router **HELP!!!**

Hello.
I have an ethernet network in my house, and I am connected to the network via a Linksys router for Broadband VOIP and internet. I am on a G5 in my home office and want to stream music to my Airport Express for my home stereo in the living room, via the ethernet connection.
The problem is that when using the router in my network, only the Admin Utility sees the base station-- iTunes does not.
If I remove the router from the equation altogether and plug the network ethernet cable directly into the G5, the AX in the other room works just fine and I can get internet on the G5 in the office. The problem is that I need the router to operate my Vonage VOIP phone service and to connect a second computer to the internet as well. The IP address for the router in the home office is "192.168.x.xxx" and when I try moving it to the living room and connecting the AX to it, the Admin Asst doesn't see the AX at all.
When I connect the router to the network in the office, I can use internet on both computers and the VOIP phone service, and the AX Admin Asst. sees the base station from the other room. But again, iTunes does not.
Is there a way to configure the router to see the AX?
Thanks for your help!

Forgive me if this a little off thread, but I have just managed to get this to work and thought it might help people with similar configuration issues (mix manufacturer wireless networks)
I received an Airport Express (FW v. 6.3) for Christmas this year. I already am using a D-Link DI-524 wireless(G) router (Rev A FW 1.03) for my Comcast cable modem in my house (downstairs). What I wanted to do is to add the Airport Express in my office upstairs to my network (client mode) so that I could print from my HP Deskjet 3740 printer and listen to iTunes on my stereo through Airtunes. I have two iBooks (G3) with regular (802.11b) airport cards in them) running Tiger.
I ran into a couple of snags though. I could see the printer in Rendezvou and I could see the airport express in iTunes. I however could not print to the printer or connect to the speakers. I was able to connect to the speakers very intermittenly and then the audio would be disrupted every few seconds.
After a bit of hacking, what I found is that it seems that WPA PSK security doesn't work between the two. I changed the security to 128 bit WEP (ASCII mode). This means that you need an exactly 13 character pass phrase. This is necessary because Apple (and pretty much only Apple) supports 40 bit WEP (5 chars) and D-Link (and the rest of the Windows wireless universe) supports 64 bit WEP (7 chars), but they both support 128 bit WEP. I assume you could set both up as an open network if you were far enough from your neighbors, but I am in a townhouse complex, so I thought I probably better have some security on the network.
Now I only see one network (the one set up on my D-Link router) and I can print to my printer and stream to my stereo through iTunes (without disruption). Seems to work seemlessly now.
I should also mention that I did about three other things. I moved the LAN subnet on the D-link router to 192.168.1.1 (DHCP client address are now between 1.100 and .1.200) I had heard that this was necessary since both routers tried to use the 192.168.0 subnet, but I think this is only necessary in relay mode. I also statically assigned the IP address for the Airport Express. Finally I set up a firewall rule of Source WAN/LAN IP addresses of 192.168.1.100-200 of any protocol from ports 1-20000 to the same destination address range should be allowed to allow for all LAN traffic to be passed. I am very certain this is unnecessary and possible dangerous for security, but I thought I should mention that I did it.
Hope this might help someone.
Michael
iBook G3 (600 MHz) Mac OS X (10.4.3) D-Link DI-524 Router. Motorola Surfboard Cable Modem. Comcast Broadband

Lost connection to one of my Airport express units. Serial number 44500WQV0. Message in Airport Utility is to use Version 5.6 to configure base station. I have version 6.3.1. Both airport express units bought at same time few years ago.

Hello all.
Lost my connection to one of two airport express units. Both purchased few years ago. Use them to stream music to house speakers via WiFi. I have v6.3.1 of Airport Utility. Message says to use v5.6 to reconfigure this base station.
How do I do that, please?
Mahesh

You can use the following workaround to install AirPort Utility 5.6 on a Lion or Mountain Lion Mac:
Be sure to read the caveats at the end.
Lion / Mountain Lion's package installer will refuse to install superseded versions of AirPort Utility. Instead you will need to use a package extractor such as Pacifist or unpkg. Pacifist is shareware, unpkg is free.
Download Pacifist here: http://www.charlessoft.com/
Download unpkg here: http://www.timdoug.com/unpkg/
Download AirPort Utility 5.6 here: http://support.apple.com/kb/DL1482
When the AirPort Utility .dmg file finishes downloading, open it to expand and reveal the AirPortUtility56.pkg package installer file.
Directions for Pacifist (I do not have screenshots for unpkg but the idea is similar):
Open Pacifist and from its File menu, navigate to the package and open it.
Click the "reveal triangles" until you see AirPort Utility 5.6.app:
Select it and then click Install from Pacifist's toolbar. It will then be installed in your Utilities folder, and you can quit Pacifist.
The most recent version of AirPort Utility included with Mountain Lion should be used to configure 802.11n - capable AirPort Base Stations. Make no attempt to delete it. It and the older version (which will bear the unique name "AirPort Utility 5.6") can peacefully coexist. Use the older version only as necessary for older AirPort Base Stations that cannot be administered any other way.
If you happen to have an archived copy of the AU 5.6 app somewhere, such as a Time Machine backup or equivalent, you can simply restore it or drag the app to your Mountain Lion system's Utilities folder instead of resorting to the above procedure. It will run without complaint. It is only the package installer that is the problem.
Keep in mind that Apple's decision to abandon support for the original AirPort Express and AEBS was for reasons known only to them. Remember that you are using obsolete equipment, should some future OS X feature not work for you.

Multiple AirPort Express units - use more than one at a time?

If I connect three Airport Express units in three different rooms, can I use more than one at a time?
Can I choose to only use 2 out of the 3 at one time?
Thanks.

Yes. With iTunes 6.0.2 or later, you can send an AirTunes stream to multiple remote AirPort Express units, provided that each AirPort Express has the latest AirPort firmware. The maximum number of remote AirPort Express units is three to six in typical conditions. The number that works for you will depend on your environmental conditions (such as building composition and local radio interference), distance to the remote AirPort Express units, and available network capacity relative to your other usage.

Setting Up a Three Station (Multiple AirPort Express Units) WDS Network

For a mission project in Northern Ireland, I am trying to connect three Airport Express units into a single wireless system. The mission group is located in an old building with thick walls, so the wireless signal needs to be "repeated." I need help on the basics of setting up all three AX units in a series. One will be located in an office on the ground floor an act as the main base station with an ethernet connection. (The mission has a cable modem/router with an independent line in the ofice that is connected directly to the AX unit in the office.) The second will need to act as a relay base station(it will be on the second floor of the building, but in range of the main base station) and the third as a remote base station down a hall on the second floor. In an initial setup, I was unable to have the main base station unit show up on the list of base statios when I did a scan in the AirPort Admin Utility.
Should I set up (configure) all three AX units in close proximity to each other and then relocate them to the final locations? I also need some advice on how to identify or assign the AirPort MAC Adress to the units. Finally, do I need to do a "hard reset" on the units and simply start over? I saw the Apple article on using WDS to create a network from multiple base stations, but it only dealt with two units. Thanks. Sawyerlex
iBook G4 Mac OS X (10.4.6)
iBook G4 Mac OS X (10.4.6)

Check out my last post in this thread:
http://discussions.apple.com/message.jspa?messageID=1756749

I have a older Airport Express unit that requires Airport Utility 5.6. When I try to install 5.8 on my OS X10.8 iMac, I get the message "Airport Utility can't be installed on this disk. The version of Mac OS X on this volume in not Supported"

I have a older Airport Express unit that requires Airport Utility 5.6. When I try to install 5.8 on my OS X10.8 iMac, I get the message "Airport Utility can't be installed on this disk. The version of Mac OS X on this volume in not Supported"

Why should I have to spend money to solve this problem? Many others have the same concern, Airport Utility 6 does not support older Airport Express units. This is Apple's problem. I've tried many solutions proposed on the net but none worked. I'm still trying for a work around.

Multiple Airport Express Units and Itunes

I have two Airport Express units, each is hooked up to a seperate stereo in the house. I tunes will connect with one or the other, but not both Airport Express units at the same time.
When selecting multiple speakers from the drop down box...the following error message is encountered..."The remote speaker "xxxx" does not support playback as a part of a group. Do you want to switch playback to it?"
Any help would be appreciated...when this is complete, the system will be doing exactly what I want.

The three most common problems encountered with mutiple AX's:
Itunes software (need 6.02 or better)
AX firmware (need 6.3)
Firewall (you must ALLOW UDP traffic)
If all these items are met then usually what remains is configuration and/or a range problem. Since it sounds as though it works singularly, range is not the issue. Check the three most common and if they are right you are left with re-configuring the network or possibly (but unlikely based on the post) a bad unit.

Airport Extreme works fine. Cannot see two Airport express units

Hello. I just bought a new Airport Extreme and 2 Airport express units to replace my old linksys routers and to take advantage of my new MacBook Pro and iTV units. I am a Mac newbie after 20 years of PC's. The Netgear DGND3300 DSL modem feeds DSL signal to the Airport Extreme unit and it works well with good internet and signal. I am trying to use the 2 Airport Express units to extend the signal around the house. The Airport Utility has seen both of them but then they disappear and it cant find them again. They are 10 feet away for now until I get them configured. How do I get them to connect and how do I configure them to extend the wifi range?
Thank you.

The first thing to check is your AirPort Extreme.
Open AirPort Utility - click Manual Setup
Click the Wireless tab/label below the row of icons
Make sure there is a check mark next to "Allow this network to be extended"
Update to save changes
You may have already done this, but it was not mentioned in your post and is a critical step to "extend" the network.
"Hard Reset" each of the AirPort Express devices by holding in the reset button for 10-12 seconds. Then power down one device and configure one at a time.
Open AirPort Utility - Click Manual Setup
Click the Base Station tab/label below the icons
Enter a name for the device, device password and adjust Time Zone settings
Click the Wireless tab
Wireless Mode = Extend a wireless network
Wireless Network Name = Same name as the AirPort Extreme wireless network
Check mark next to Allow Wireless Clients
Wireless Security = Same security setting as the AirPort Extreme network
Wireless Password = Same password as the AirPort Extreme network
Confirm Password
Update to save settings. Close AirPort Utility immediately as soon as you see the message that the settings have been stored. You should have a green light on the Express in 40-45 seconds.
Now, log back on to the wireless network provided by the AirPort Extreme and you should see the AirPort Express that you just configured, if you are using a Mac. The Windows Firewall or anti-virus software may block the connection if you are using a PC. (The AirPort Express "disappears" as soon as you click Update in AirPort Utility because it has joined another network...that's why you don't see it. It uses a "temporary" network with a name like Apple Network xxxxxs during the configuration only).
Configure the second AirPort Express the same as the first. You will probably want to assign a different device name to that Express to keep things straight.
To "extend" effectively, the Express should be located approximately 1/2 the distance between the AirPort Extreme and the area that needs more wireless coverage. Depending on obstructions, you may need to alter this distance a bit.
The "extend" setup works like the hub and spokes of a wheel. The AirPort Extreme is the "hub" and each Express resides at the end of a "spoke". Each Express communicates directly to the "hub", not to another Express at the end of another spoke. For that reason, you cannot "extend" a device that is already configured to "extend".
Message was edited by: Bob Timmons

Can I use a second Airport Express unit to printe wirelessly?

I have an Airport Express unit connected to my amplifier and my modem in order to listen to music wirelessly. I would like to use my Cannon ip4300 printer the same way. Can I use a second Airport Express unit to connect the printer to my modem? If so, how is it done? I am concerned about a conflict between the two Airport Express units. Thank you.

I do just this with a ip4200 printer - you "extend" the Airport network with the second Airport then plug the printer into the USB port, (you could plug it into the USB port of the first Airport as well)
In the Airport utility (use 5.6 or 5.6.1) select the Printers tab and it should be there.
Regards,
Shawn

Can I extend the range of my Airport Extreme with 2 Airport Express units?

I am using Airport Extreme as my basic router. I have connected 2 airport express units (all new since 12/09) to extend the network about 300 ft into another building to a PC. I am receiving about 65% signal and only one of the express units is extending the signal. Previously I was able to extend the network with a Netgear router and one D-Link extender and achieved 85%.
I would like to use the 2nd express to extend the signal of the 1st express which is extending the Extreme.
If this is not possible, can I use something other than an express with the extreme to extend the wireless network?

Here are the basic steps in setting up a static WDS. Please compare them to what you have done to see if there are any differences. Hopefully, this will give you a clue on what to try.
AEBSn - WDS Setup
(Note: To facilitate the WDS set up, place the base stations within near proximity of each other during the set up phase, and then relocate them to their desired locations when complete. Also, jot down the AirPort IDs (MAC addresses) for each of the base stations to be used in the WDS. The AirPort ID and is printed on the label on the bottom/side of the base station.)
Main Base Station Setup
o Click the AirPort status menu in the menu bar and choose the wireless network created by the base station you want to set up as the main base station.
o Open AirPort Utility (located in the Utilities folder in the Applications folder on a Macintosh computer, or in Start > All Programs > AirPort on a computer using Windows).
o Select the main base station, and choose Manual Setup from the Base
Station menu, or double-click the base station to open the configuration in a separate window.
o Enter the base station password if necessary. If the base station is using the
default password of public, you will not be prompted for a password.
o Click Wireless in the toolbar, and then choose “Participate in a WDS network” from the Wireless Mode pop-up menu.
o Click WDS and then choose “WDS main” from the WDS Mode pop-up menu.
o Select the “Allow wireless clients” checkbox if you want client computer to connect to this base station.
o Click the Add "+" button and enter the AirPort ID of the base station you want to connect to this base station.
o Click Update to send the new settings to the base stations in the WDS.
Remote Base Station Setup
o Click the AirPort status menu in the menu bar and choose the wireless network created by the base station you want to set up as a remote base station.
o Open AirPort Utility (in the Utilities folder in the Applications folder on a Macintosh computer, or in Start > All Programs > AirPort on a computer using Windows).
o Select the remote base station, and choose Manual Setup from the Base Station menu.
o Enter the base station password, if necessary. If the base station is using the default password of public, you will not be prompted for a password.
o Enter the same network password as the main base station, if necessary.
o Click AirPort in the toolbar and click Wireless. Choose “Participate in a WDS network” from the Wireless Mode pop-up menu, and choose the same channel as the main base station from the Channel pop-up menu.
o Click WDS and choose “WDS remote” from the pop-up menu.
o Enter the AirPort ID of the main base station in the WDS Main field.
o Click Update to transfer the settings to the base station.
Relay Base Station Setup
o Click the AirPort status menu in the menu bar to join the wireless network created by the base station you want to set up as the relay base station.
o Open AirPort Utility (in the Utilities folder in the Applications folder on a Macintosh computer, or in Start > All Programs > AirPort on a computer using Windows).
o Select the relay base station, and choose Manual Setup from the Base Station menu.
o If the base station is using the default password of public, you will not be prompted for a password.
o Enter the same network password as the main base station, if necessary.
o Click AirPort in the toolbar and click Wireless. Choose “Participate in a WDS network” from the Wireless Mode pop-up menu, and choose the same channel as the main base station from the Channel pop-up menu.
o Click WDS and choose “WDS relay” from the WDS Mode pop-up menu.
o Enter the AirPort ID of the main base station in the Main AirPort ID field.
o Click the Add "+" button and enter the AirPort ID of the remote base station this relay base station will connect to.
o Click Update to transfer the new WDS settings to the relay and remote base stations.
(ref: Pages 42-46 of "Designing AirPort Networks.)

Has anyone connected a scanner to the AirPort Express unit?

I have an AirPort express wireless unit right now running as a range extender. I have not connected a printer to it yet and I was wondering if the unit only allows printers or would a scanner or other similar USB device also work?
I am more curious right now, and simply wondering if anyone has been successful connecting a non-printer to that port.
Dual G5 and MacBookPro Mac OS X (10.4.6)

thanks to both of you for the info but I am a stubborn guy:)
That article does not exclude scanners in the list of devices that don't work.
A scanner is "close" to a printer. Certainly closer than a disk drive, and as Spok says, "There are always possibilities."
I was told that the AirPort Express device would not work with my LinkSys SRX200 and it works fine as a range extender.
I will first connect a printer to the USB port just to get my feet wet and after I get that working I will unplug it and connect my scanner to it and see what happens. The very worst thing would be that the world comes to an end.
Anyway, I will report back what happens. Certainly something should happen such as an error message or a driver error or some such thing or it might work.
Being a born hacker, telling me it won't work is music to my ears.
OK, maybe it won't work. But so far, nobody has told me why.
I will return
Dual G5 and MacBookPro Mac OS X (10.4.6)

I have 3 airport express units, an Ipod and a PC. I used the PC to set up an airTunes and the AirUtility can see all three of the airexpresses. The Ipod displays all of the airexpresses and I can pick any one to stream music to. PC won't - any ideas?

I have 3 airport express units, an Ipod and a Windows 7 PC. I used the PC to set up an iTunes/airTunes and the AirUtility can see all three of the expresses. The Ipod displays all of the expresses and I can pick any one to stream music to. The PC won't - any ideas? AirUtility tells me the 7.5.2 version of the firmware is the latest for the expresses and ITunes is also reporting that there are no upgrades available. I get an error code -15000 when I try to connect from the PC to one of the expresses.

How do I configure the AX to connect to the hub's wireless network? It will only scan one base station Airport Express at a time in the Airport Utility. I think what I am trying to do is use the hub as a router to the two AX's. Is there a specific way to set this up?
To set up the AX to join a wireless network as a "Wireless Client," using the AirPort Utility, either connect to the AX's wireless network or temporarily connect your computer directly (using an Ethernet cable) to the Ethernet port of the AX, and then, try these settings:
Launch the AirPort Utility.
Select the AX.
If not already connected to the AX's wireless network, go ahead and switch to it when prompted.
AirPort Utility > Select the AX > Manual Setup > AirPort > Wireless
Wireless Mode: Join a wireless network
Network Name: <type in the network name/SSID of the wireless network that you want to join or select it from the pop-up menu>
Wireless Security: None OR, if you are using security on your wireless network:
Wireless Security: <Select the appropriate level of security for the existing wireless network: WPA/WPA2 Personal | WPA2 Personal>
Password: <enter your wireless network security password>
Verify Password: <re-enter the same security password>
Click Update to write the new settings to the AX.

Maximum number of Airport Express Units to be used with Airtunes?

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