Questions regarding extending a wireless network

Hi, I have three questions about extending my network.
1- Is the option "Create a wireless network" on a Time Capsule creating a second wireless network if I use the same name and exact same settings as the wireless network created by an Airport Extreme or just extend it?
2- If yes, why using the "Create a wireless network" option to extend a wireless network since there's an option to "Extend a wireless network"?
I've discovered something I don't understand while plugin my Time Capsule. I've set it up using the option "Extend a wireless network" and everything is fine, but if I plug an ethernet cable on my Time Capsule that is relied to my Airport Extreme router that creates the network, I loose all signal.
3- Why I loose all signal if I connect my Time Capsule to my Airport Extreme via ethernet while my Time Capsule is on "Extend a wireless network" option.
Thanks!

1- Is the option "Create a wireless network" on a Time Capsule creating a second wireless network if I use the same name and exact same settings as the wireless network created by an Airport Extreme or just extend it?
If you have the Time Capsule (TC) connected by Ethernet to another AirPort or non-AirPort router, then this setting will create a second wireless network. However, if both routers are configured for roaming, both of these wireless networks will perform as "one."
2- If yes, why using the "Create a wireless network" option to extend a wireless network since there's an option to "Extend a wireless network"?
The "Extend a wireless network" option is for when you want the connection between AirPort routers to be wireless. The AirPort that would be extended would have the option: "Allow this network to be extended" enabled as well. Please check out this Apple Support article for more details on configuring an extended network with two or more 802.11n AirPorts.
3- Why I loose all signal if I connect my Time Capsule to my Airport Extreme via ethernet while my Time Capsule is on "Extend a wireless network" option.
It's because you have your network mis-configured for what you are trying to do. Again, that is because this option is only relevant when two AirPorts are interconnected by wireless.

Similar Messages

Not so trivial question about extending a wireless network

Hello,
I've always had Wi-Fi signal strength issues in my house. Two days ago my Linksys router died and I got the new AirPort Extreme. Things got a bit better signal wise. Feature wise things got a whole lot better! Which got me thinking about the next step.
The two farthest corners of my hose are wired with CAT5E, and I have a gigabit router. My AirPort Extreme is on one of these corners, meaning I have a weak signal on the other corner. My question is, can I add another AirPort Extreme to the other corner, hook it on the wired LAN and have it extend my wireless network? I don't want to see 2 different networks. I want to see just my wireless network and have a strong signal everywhere. Can this be done?

Actually a Linux server is my internet connection (has two NICs). All the computers in my house plug into a Gigabit hub. The AirPort express is configured as "Share a public IP address", instead of "Bridge Mode", because I want to be able to use the "Guest Network" feature (so cool!). Yes I have two DHCP/NAT servers, but they don't interfere with each other, as they are on separate networks. My main network is 192.168.1, my AirPort network is 192.168.2, and my Guest Network is 10.0.42.
I will try both your suggestions and report back. It would be perfect if I could just plug the second AirPort to the Gigabit hub, but I don't mind chaining it to the first AirPort, if that's what it takes.
This is turning out to be a really fun project and I might finally fix the wireless signal in my house after all these years
Thanks!
Erasmo.

"Participate in WDS.." or "Extend a wireless network" ?

I've got two AEBS's, one is to be used as a main base station and the other is to be used as a remote base station. I aslo have an AXBS that will be used for Airtunes.
The main AEBS is connected to my dsl modem and is hardwired via ethernet to the 24" iMac. It also has a shared usb printer connected to it.
The remote AEBS is connected to an older iMac via ethernet cable, and also has a shared hard drive connected to it.
The AXBS is used only for Airtunes.
I also have a laptop running Windows XP that I can connect wirelessly to the network for internet access and Bonjour printing to the shared printer.
Currently, I have the network cobbled together by "creating a wireless network" with the main AEBS, and "extending a wireless network" with the remote. It is unclear to me whether I need to allow wireless clients for the remote.
Is this the best way to set up the components described above, or might it be better to set up a wireless distribution system (WDS).
Any help would be greatly appreciated!
-- MissyT

Thanks for the help Duane.
The AEBS operating as a "remote" is being used with a shared hard drive (which to my understanding is only capable by using an AEBS, rather than an Express). It is also being used to provide an older iMac (with no Airport card) the ability to connect to the internet wirelessly.
So you've pretty much answered my question regarding the use of WDS. I didn't know that WDS operates at "g" speeds, so it makes no sense for me to use to 802.11n devices at the slower 802.11g speed.
My only remaining question is whether I need to check the "Allow wireless clients" box under the Wireless tab in Airport Utility when setting up the so called remote AEBS. If I do not, I still seem to be able to connect to the shared hard drive with either computer -- the older iMac wired to the Extreme with the shared hard drive, as well as with the newer iMac that is wired to the other (main) Extreme.) This seems like a really dumb question but, what exactly does this "Allow wireless clients" checkbox do?
Thanks,
MissyT

What is the best way to extend a Wireless network?

Hi,
We have 3 devices,
1) Our Primary Network Router (which creates our office Network and has DHCP enabled).
2) We have and Airport Extreme, which is used to create our Wireless Network (THIS IS SET TO “Create Wireless Network”), it has DHCP Enabled, its DHCP IP Scheme is set to 192.168.2.x, where the IP Scheme of our Primary Network is set to 192.168.181.x.
3) We have an Airport Express that we are trying to use to EXTEND our Wireless Network.
The most important thing we are trying to accomplish is to isolate the Wireless Network from our Primary Network, so Wireless Clients can access the Internet, but CAN’T SEE or ACCESS the Shared Network Volumes AVAILABLE ON THE PRIMARY NETWORK.
At the moment, the Wireless Clients can access the Internet and receive an IP in the range of 192.168.2.x from the DHCP Server in the Airport Extreme. That part of it is working, but the Wireless Clients can unfortunately still SEE and ACCESS the Network Volumes available on the Primary Network. WHICH IS NOT WHAT WE WANT!!
Question 1: How can we have the Airport Create a separate Network, so the Wireless Clients CAN’T SEE or ACCESS the Network Volumes from the Primary Network, but can still get access to the Internet through the Primary Network?
Question 2: What is the best way to use the Airport Express to “EXTEND” the Airport Extreme’s Wireless Network? I have tried WDS “Main” for Extreme and WDS “Remote” for Express, but all that doesn’t allow you to use the Extreme to Create a Separate Network, it uses the DHCP Server built into the Primary Network’s Router. Also tried to set the Express to “EXTEND WIRELESS NETWORK”, which seems to work, but I am not sure why. Because I don’t have a cable from the Extreme to the Express, which is sounds like you have to when it is setup that way!!
Any help would be greatly appreciated!!
Thanks
Kalagan

Question 1: How can we have the Airport Create a separate Network, so the Wireless Clients CAN’T SEE or ACCESS the Network Volumes from the Primary Network, but can still get access to the Internet through the Primary Network?
There is no way to do this. Any of the wireless clients of the AirPort Extreme base station (AEBS) can see any device connected to the AEBS's WAN port. Clients of a subnet can see anything on the supernet.
You could configure you network like this:
Internet-> (WAN) AEBS (LAN) -> Primary router
As long as the Primary router was providing DHCP/NAT the things on the LAN side of the Primary router would be hidden from the AEBS clients.
A better solution may be to have 2 completely separate networks OR invest in some type of network security firewall device to actively isolate your Primary network.
Question 2: What is the best way to use the Airport Express to “EXTEND” the Airport Extreme’s Wireless Network? I have tried WDS “Main” for Extreme and WDS “Remote” for Express, but all that doesn’t allow you to use the Extreme to Create a Separate Network, it uses the DHCP Server built into the Primary Network’s Router. Also tried to set the Express to “EXTEND WIRELESS NETWORK”, which seems to work, but I am not sure why. Because I don’t have a cable from the Extreme to the Express, which is sounds like you have to when it is setup that way!!
WDS is 802.11g's method of wirelessly extending a network.
"Extend wireless network" is 802.11n's method of wirelessly extending a network.
Neither of them require the AirPort Express (AX) to be cabled to the AEBS.

Extend Existing Wireless Network

I am trying to extend my existing wireless network. I think I have it set up correctly, but I have a question about it. I initially had the network set up with a 2WIRE modem (AT&T) and an Airport Extreme. It has been really sluggish as of late, so I re-positioned the modem and AE (out of entertainment cabinet) and now it's more out in the open.
After doing that my Macbook which I use upstairs was running pretty fast, but the iMac which is downstairs and on the same level as the modem/AE was running very slowly. So, I thought I'd extend the network using an Airport Express. I think I have it set up correctly, since everything seems to be working just fine, BUT the question I have is...does the Express HAVE to be plugged int the modem in order to extend the network?
I thought the whole point of using the Express to extend the network is that you could have the Express in between the modem/AE and the computer - on the same level of the house or another level, or at least in another rom on the same level.
I hope I've explained my situation well enough for anyone to be able to provide assistance. Everything is working fine, but I guess I'm looking for some reassurance that I've done things correctly
and maybe a better understanding of how extending a network really works.
Thanks in advance for any help.
Julie

Hello Julie
To extend your wireless network I suggest you do the following;
Take the express and extreme into the same room. Ideally, plug the extreme into your modem using an ethernet cable and have the express hooked up to power on its own in the same room.
I would reset both device to their factory defaults and start over. To reset the devices to factory defaults, unplug them from their power source, hold down the recessed reset button while plugging them back into to power and continue to hold the reset button until the one LED begins to flash rapidly.
Do this with the extreme and the express. Now open airport utility, select your airport extreme and set it up from the start using the continue button and answer all the questions. Once the extreme is setup, you should see a large green checkmark. See the mac you set it up with can connect to the internet.
If you are on the internet through your extreme's wireless network you're almost there.
Step 1. Using airport utility select the airport express and click continue. The key here is to ask the express to join an existing wireless network when the question arrises.
This should do the trick for you.
Alternate to step 1. If you want to you can skip step 1 above and select your extreme using airport utility, go to the Base Station menu and select Manual Setup, click the Airport icon from the manual setup window, click the Wireless tab and put a tick next to "Allow this network to be extended". This will instruct the extreme to allow its wireless network to be extended. Update your extreme after turning on this option and give it about one minute to update itself.
Now, using airport utility, setup your express to using the continue button and instruct it to join an existing wireless network when the question comes up.
So you have two options, either should do.
Hopefully this was not too difficult. Airport utility will still see the two airport routers but from your airport menu you will always see only one network because the extreme and express behave as though they are one large network.
Consider unplugging the express now and moving it to the other floor. After you take the express upstairs, give it a minute and if it is in range of your extreme it will assume a green light, if on the other hand it continues to flash amber it's possible that it's too far from the extreme. In this case consider plugging the express into a wall socket nearer to the express.
Does this help?
Most of what I explained might be better explained by Apple, see page 43 of http://manuals.info.apple.com/enUS/Apple_AirPort_NetworksEarly2009.pdf. The steps on page 43 are what you would do with your extreme - to extend its wireless network.
Let me know how it goes.
If your devices are under 90 days old you still have complimentary phone support. If you have an AppleCare protection plan on your mac one of your devices are covered for hardware support and the 3 years phone support. If you are eligible AppleCare will be able to walk you through this.

How can I extend my wireless network using Airport Express and an Airport Extreme on BT Infinity?

I have BT Infinity and I am using the Time Capsule with Airport Extreme as my router. Working well (even on wireless). I want to extend the wireless network with an Airport Express, but I cannot work out the settings necessary in Airport Utility. I am using Mountain Lion 10.8.2 on a Mac Pro. Please help!

BT,
I've read several of your posts, thanks for taking the time to share your wealth of knowledge.
I'm in a situation similar to the one described by 'scoutusmaximus'. Seeking the flexibility of a standalone router, I finally upgraded my 4-yr old ATT DSL gateway (modem+router) to a Comcast standalone modem + the ASUS RT-AC66U: http://www.asus.com/Networks/Wireless_Routers/RTAC66U/
Typically, I stick with all things Apple but the ASUS router seemed fairly superior to the current-gen base station (on paper, anyway; time will tell when it comes to performance) so, for once, I jumped ship. My plan was to extend the ASUS wired/wireless network using my TimeCapsule and 2 Airport Expresses in bridge mode, however, a google search turned up several unhappy customers that claim those devices don't play well with non-Apple routers, especially when it comes to 'extending' a network.
Questions:
1. Can I successfully extend the wired/wireless network created by the ASUS router using the 3 airport devices listed above w/out negatively impacting performance? I'd rather have 1 wireless network as opposed to creating a new wireless network with the TC and then extending it with the AP Expresses... though I'd consider that option down the line if it came to that.
2. Will the LAN ports on the TimeCapsule remain functional?
Btw, my house is wired so, I can reach all 3 devices via ethernet cable coming off of a central, managed switch. Supposedly, you only lose the LAN ports on the TC if you extend wirelessly.
Any advice would be appreciated.

Extending Sky Wireless Network with Airport Express.

I spent most of last night trying to extend my Sky Wireless Network using an Apple Airport Express. The Apple Store salesman told me that it would be simple to set up but he's either wrong or I'm completely stupid!
Does anybody know if this is possible and if so, can they please advise me how I do this. (I am using Windows 7 on my Dell laptop)

I spent most of last night trying to extend my Sky Wireless Network using an Apple Airport Express. The Apple Store salesman told me that it would be simple to set up but he's either wrong or I'm completely stupid!
Unfortunately, the salesman may not have understood your question, or he may have given you incorrect information.
It's possible to have the AirPort Express provide more wireless coverage if you connect it using an ethernet cable permanently to your Sky router.
But, the AirPort Express cannot "extend" the wireless network produced by the Sky by connecting using wireless only. The "extend" feature will only work if you have an Apple to Apple wireless connection. This feature is not compatible with the products of other manufacturers.

Can I extend my wireless network with my old Airport?

Can I extend my wireless network with my old Airport? I have the airport extreme 802.11n & my old Airport (translucent white) base station. Can I mix the two to expand my range?

No problem; ask as many questions as you need to.
How do I reconfigure the Snow as a bridge to allow the AEBSn to continue to provide both NAT & DHCP services for the entire network?
I don't have a Snow to verify this, but it should be similar to the later base stations when using the AirPort Admin Utility.
To set up the Snow base station as a bridge, either connect to the Snow's wireless network or temporarily connect your computer directly (using an Ethernet cable) to the Ethernet port of the Snow, and then, using the AirPort Admin Utility (located in the \Applications\Utilities folder), make these settings:
Network tab
o Distribute IP addresses (unchecked)
o Apply the new setting.

Extending home wireless network with 802.11b/g Airport Expresses

Home Setup: iMac with iSight G5 2.1GHz PPC, OS X Leopard 10.5.8, 2.5GB memory, 2 Airport expresses-802.11b/g.
Up to just recently, I was able to use my AE's to create a whole house wireless network: one as my main network connected to my cable modem, and the other as a wireless network extender. My extender got pulled out one day accidentally, and when I went to plug it in it wouldn't reconnect to my network...and so the problems began. Airport Utility used to give the option of "Extending the Wireless Network", but no more.
I've done a lot of searching through the forums regarding this issue, read through the sage advice by superusers Tesserax and Bob Timmons, and attempted to set up my main AE as my "WDS Main" AE and the other as my "WDS Remote". The WDS main connects fine to the internet, but the WDS remote continues to show a flashing amber light and inability to extend my wireless network. I've done soft and hard resets to the remote AE (which transiently gives me a green light, then back to flashing amber), network diagnostics using the Airport utility, but still no luck. The AE wireless extender continues to flash amber and is nonfunctional.
AE Wireless extender settings reported:
-WIreless Mode: Create a wireless network
-Connect using: Ethernet
AE Errors reported:
-Ethernet Unplugged
-Default Settings
I setup the AE Wireless extender as a WDS Remote, it resets and shows "Normal" without problems reported in the summary window of Airport Utility. Connection indicated as "Airport (WDS)" and Wireless Mode reads "participate in a WDS network", but the AE is still flashing amber and will not connect to the internet or Main WDS wireless network.
Went to the Genius Bar at the local mac store...they couldn't help at all.
I'm out of answers...help?!
Allan

There are basically two "flavors" of WDS that the AirPorts support: static & dynamic.
o A static WDS allows for a main, relay, and remote base stations in the configuration. This only operates in the 802.11g radio mode. Its advantage is it is well suited when you are trying to cover a considerable linear range ... like a rectangular house where the Internet connection comes in at one of the shorter sides and you want wireless at the other end. The biggest disadvantage of this type of WDS is that for every base station added, you lose half the overall bandwidth.
o A dynamic WDS allows for only a single main and multiple remotes. Think of a wheel with the main at the center and the remotes as spokes of the wheel. The advantage of this type of WDS is it operates in the 802.11n radio mode and doesn't suffer a significant bandwidth loss like the static version.
As a minimum, a dynamic WDS requires two 802.11n AirPorts (or Time Capsules). You can create a static WDS with either all 802.11g AirPorts or a mix of 802.11n & 802.11g AirPorts. Note; however, you cannot create a dynamic WDS with mixed mode base stations.

Extend my wireless network w/airport express w/out connecting via ethernet?

Here's what I have:
I have an Airport Extreme Base Station Version 7.5.2 - named Jim's Base
I have an existing Airport Express that I use to stream music to my office stereo - named Jim's Office
I have a new Airport Express that I would like to use to extend my wireless network to my family room - named Jim's Extended. I have ethernet to my family room for my TV and Receiver and an ethernet switch with one available port.
Question, when extending my existing wireless network do I have to extend it using an ethernet cable or can it be extended "wirelessly" i.e. no connections except to 120v power?
Could someone share the exact instructions? I've been trying to configure this "extension" for several hours now but can't seem to get it to work - wired or wireless.
Thanks -
jP

Apple's instructions to "extend a wireless network" using wireless only are in the link below. Although the illustration pictures a 2nd AirPort Extreme, the setup for an AirPort Express is exactly the same.
http://support.apple.com/kb/HT4259
The Ethernet port is automatically enabled in this type of configuration to allow Ethernet devices to connect. If you need more than one Ethernet connection, you can add an Ethernet switch to the AirPort Express to create more connection capabilities.

Extending TC wireless network with AP Express

I just set up a brand new TC last week, and am thinking about buying a new AP Express to extend my wireless network into the basement. I've read through some of the threads here and it seems pretty straightforward, esp. since both devices will be 802.11n compatible.
The one question I have pertains to MAC access control, which I have enabled on my TC. Does the AP Express' AirPort ID need to be added to the MAC access control list on the TC if I'm setting up the AP Express to extend a wireless network? I assume that any devices that connect wirelessly to the AP Express will need to have their MAC addresses added to the access control list as well, just as if they were to connect to the TC, correct?
Also, do I need to make an Ethernet connection from the TC to the AP Express for the initial setup, or is it all done wirelessly? I will have the AP Express in the same room as the TC when I set it up and then gradually move the AP Express to its final location, somewhere between the TC and the basement (probably in the basement hallway near the door).
Message was edited by: plarkin

Welcome to the discussions!
+Does the AP Express' AirPort ID need to be added to the MAC access control list on the TC if I'm setting up the AP Express to extend a wireless network?+
Yes
+I assume that any devices that connect wirelessly to the AP Express will need to have their MAC addresses added to the access control list as well, just as if they were to connect to the TC, correct?+
Yes, you will need to compile a MAC control list for the AirPort Express
+Also, do I need to make an Ethernet connection from the TC to the AP Express for the initial setup
It's quite a bit simpler and usually more reliable if you do it this way
+or is it all done wirelessly?+
It can be, but this is sometimes confusing for users because the AirPort Express creates a default wireless network that you must log onto to be able to communicate to the device using AirPort Utility. This usually requires you to "switch" wireless networks for the configuration, then switch back again to your normal wireless network after the configuration is completed.
There's no switching involved if you simply temporarily connect an ethernet cable from your computer to the AirPort Express for the configuration and then disconnect it once you have updated the device with its new settings.
+I will have the AP Express in the same room as the TC when I set it up and then gradually move the AP Express to its final location, somewhere between the TC and the basement (probably in the basement hallway near the door).+
That's an excellent plan

The Difference between Extending a Wireless network and WDS?

I have an Extreme (n) and an Express (n).
I want to make sure the signal is strong upstairs and share a printer (connected to the express) and use AirTunes. I also may add an external drive to the Extreme.
What's the difference between Extending a Wireless Network and using WDS? Will there be a speed difference?
Message was edited by: J. Christopher Edwards

I think you don't get it
If I have another draft N router that operates at 2.4G and I have only n devices I can still use WDS and it will connect using draft n in the 2.4G band.
If one g device connects to the network will go in mixed mode.
The AEBS will still report 130 Mbps for your n clients and 54 for your g clients.
If the other router is g only obviously you can't connect between the two router at n mode but still the AEBS will be in mixed mode and not in g. The Extreme will still report 130 Mbps for the connected n clients.
I can tell you that because I have actually implemented it am not taking off the documentation.
The same device if I try to use the "extend n network" does not even see the AEBS but will happily keep the n in the WDS mode and though the bandwidth is halved it is still more than g.
In any case enough for this!

"Extend a Wireless Network" seems to be... broken?

Hey guys,
Here's the scoop.
I have one Airport Extreme 802.11n that's connected to a cable modem. It's set to "Create a Wireless Network". It's at 5 GHz, and "Allow this Network To Be Extended" is checked. It works fine!
I have another Airport Extreme 802.11n upstairs that's set to "Extend a Wireless Network". I've then entered the network name and password of the original network. It successfully connects just fine to #1, and gets an IP address.
Then, I wander about.
When I get poor signal from the original base station (#1), and I enter the range of the extender station (#2), the laptop switches over to #2 and the network COMPLETELY DROPS OUT.
I.e., I can ping 10.0.1.1, but I cannot access the internet, no web pages can be loaded, etc. I'm stuck -- Airport is dead and I have to power down #2 and reboot.
Has anybody tried using two 802.11n Airport Extremes in this kind of configuration? With both set to 5GHz 802.11n only, and one sharing, the other extending?
If so.. what's your secret? Or is this just a striaght-up bug?
Thanks, Cabel
PS: Don't forget, this has nothing to do with WDS.

Hey guys,
Here's the scoop.
I have one Airport Extreme 802.11n that's connected
to a cable modem. It's set to "Create a Wireless
Network". It's at 5 GHz, and "Allow this Network
To Be Extended" is checked. It works fine!
I have another Airport Extreme 802.11n upstairs
that's set to "Extend a Wireless Network".
I've then entered the network name and password of
the original network. It successfully connects just
fine to #1, and gets an IP address.
Then, I wander about.
When I get poor signal from the original base
station (#1), and I enter the range of the
extender station (#2), the laptop switches over to
#2 and the network COMPLETELY DROPS OUT.
I.e., I can ping 10.0.1.1, but I cannot access the
internet, no web pages can be loaded, etc. I'm stuck
-- Airport is dead and I have to power down #2 and
reboot.
Has anybody tried using two 802.11n Airport
Extremes in this kind of configuration? With both
set to 5GHz 802.11n only, and one sharing, the other
extending?
If so.. what's your secret? Or is this just a
striaght-up bug?
I have the same identical configuration EXCEPT that I am not using 5GHz. Works beautifully. 100% coverage on 3 floors of my house.

Can I use a Time Capsule to extend my wireless network.

Hi, I have just bought a 3TB time capsule as my old (flat style) 500GB TC is reaching full capacity. The old style TC will then be surplus to requirements as a data storage unit, at least for myself, though it might be useful for my son to use as his Time Capsule.
Ideally, as we have a wireless 'blind spot' out in the rear extension of the house, it would be useful to use the unit to extend my wireless network (and also use it as a separate TC if possible). Is this possible? If it is how would I go about it?
Hope someone can help . . . .
Cheers
John

Is it possible for you to consider connecting the Time Capsules together using a wired Ethernet connection?
Here is what Apple has to say in their support document about extending:
Adding Wi-Fi base stations when it is unnecessary can reduce Wi-Fi throughput because the Wi-Fi network will require more data management overhead. The network configuration also becomes more complex. In the case of a wirelessly extended network, throughput may be reduced to less than 60 percent of that of a single device. The general rule is to keep the Wi-Fi network as simple as possible. You can accomplish this by using the minimum number of Wi-Fi base stations required to service the physical network area and by using Ethernet wherever possible.
Extending the range of your Wi-Fi network by connecting Wi-Fi base stations together using Ethernet is always the best option, and will provide the best throughput.
Wi-Fi base stations: Extending the range of your wireless network by adding additional Wi-Fi base stations

Can I create a unique subnetwork when extending a wireless network using Airport Extreme?

My office building has an Airport Extreme to provide wifi to our individual suites. I would like to create a sub-network using my Airport Extreme for my suite only that uses the wifi signal from our office building and provides internet to the computers (both wired and wireless) in my suite but have it protected so that other suites in my building can't see my computers. Is this possible and how do I do it? I have currently set up my Airport Extreme in wifi-mode "extending a previous wireless network" and have the router with its unique router name. But once I extended the wireless network, I could not find the network name of my router, only the office name (the one I was extending). The computers connected via ethernet to my Airport have internet access but none of my wireless computers see my airport name, it sees the office building network name. I'm assuming they are connecting to my Airport since the signal level is much higher than before and it appears that my Airport is rebroadcasting the network name of my office building. Is there a way to have my Airport broadcast its unique identifier for wifi, still connect to the internet via wifi signal to the Office building airport and maintain segregation between my computers and the rest of my office building?
Also, when I use the Airport Utility on my Iphone, I see the internet -> the office airport extreme -> and then 2 different base stations connected in a Y. Mine and my neighbors (who is probably doing the same thing as I am). But there is a dotted line to my base station, does that mean I'm connected to the internet via my neighbor's airport?
Any thoughts?

I would like to create a sub-network using my Airport Extreme for my suite only that uses the wifi signal from our office building and provides internet to the computers (both wired and wireless) in my suite but have it protected so that other suites in my building can't see my computers.
It is not possible to configure a single Apple AirPort router in this manner using wireless only, but it would be possible to do this with a single AirPort if you connect your AirPort Extreme to the "main" router using a wired Ethernet connection.
As for wireless only....you could probably do what you want by using two Apple routers....an AirPort Express to join the wireless network and provide an Ethernet signal to the AirPort Extreme's WAN port. Then the AirPort Extreme could then be configured to provide a separate network using a different subnet.
Users on the "main" network would not be able to "see" any devices on your "private" network and vice versa.
I use the two router set up all the time at hotels that only provide a wireless signal. The first Express "joins" the wireless network and feeds an Ethernet signal to the second AirPort which is configured to "create a wireless network" in router mode.
This way, I can connect multiple devices to my "private" network, but only pay the hotel for one connection since the hotel router only "sees" the AirPort Express that joins the network.

Questions regarding extending a wireless network

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