Setting Up TC as a Router / Creating or Replacing a Network.....Confused!!

Hi, I apologise in advance because (as you will tell) I'm not too clued up on the TC but have a few questions to get it up and running as a router.....
Our current set-up is as follows: One modem/router (Netgear) providing internet connection to one desktop through an ethernet cable and two laptops through the wireless network it creates. I'm trying to bring the Time Capsule into the equation....basically looking for it to speed up or replace the existing wireless network.
From what I understand I will never be able to replace the Netgear router entirely because it is also a modem and therefore is providing the physical internet connection (telephone wire connected to it etc)...so instead what would be the best thing to do? Would that be to connect a second network through the Time Capsule and have the laptops connect to that and the desktop connect to the old Netgear modem through the ethernet cable...?
If that is the case: I realise I need to have the old router connected to the TC via ethernet cable for set-up, but once it is all set-up and the second TC wireless network created....can I then remove the ethernet connection from the router to the TC, or does it need to be permanently connected to work?
I did have a go at getting it up and running, I believe there was some sort of conflict with the IP addresses (maybe somebody can clarify?) so I think I set it up in a way which meant the Netgear router and TC were in conflict with each other by trying to distribute the same IP addresses....? May be completely wrong there though!
Hope someone can shed some light and help, would be most appreciated.
Regards

Most of the time, just a simple slight position change can make all the difference in the signal quality ... especially if there is something impeding (Wi-Fi interference) it.
You are not limited to having the TC adjacent to the Netgear router, but you will be limited by what choices will be available. Basically the TC & Netgear will be non-WDS compatible, and thus, you will not be able to extend the Netgear by wireless with the TC. That, of course, would leave you with Ethernet. However, in addition to a longer cable, you may want to consider using Powerline adapters. These adapters take advantage of your home's electrical circuit to create a pseudo Ethernet one. That way you could place the TC in another room where there may be less Wi-Fi interference present.
If this is not a viable option, then I would suggest trying different radio channels. By default, the TC will use the "Automatic" selection. The channel can easily be changed using the AirPort Utility.

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I work in an office building with free Wifi to connect to the Internet. I want to be able to use this internetconnection, but at the same time I want to shield of my own wired network.
I've made the following configuration:
- fritz adsl modem / router
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- Lan-cable from TC to Mac
- Lan-cable from TC to Printer
When I set my TC (network-settings) in bridge-mode everything works fine, but my Mac and Printer get an IP-address from the fritz modem / router and are visible to others.
I tried to set TC in NAT/DHCP-mode, but then I get the error message that I should set a static IP-adress for TC. When I set TC in DHCP-mode, it looses connection to the AE. I'm not sure what to do now. Does anyone know how to set up my TC and create my own private network and still be able to get on the internet?

Hajenius wrote:
Is there a better alternative? I'd rather not want to reset my TC every day.
You are using free internet.. so there is a price to pay.. that is convenience and non-ideal network setup.
The better alternative is to pay for your own connection. Then you are completely free of the possibility of others in the bullding seeing your connection. (as long as you secure the wireless).
But I think you are probably over worrying about public wifi.. if it is setup right.. ask the building admins.. it should be setup so each user cannot see another users connection. This is typical for most wifi setup and simply means you can see internet connection but nobody else on the connection. ie other wireless users.
Having a router with NAT makes it then more secure again and allows clients on your own network to interact with each other. But you can setup wireless to the free wifi for every client.. (depending on how many IP you are allowed).. and run a secondary network without internet access. This is easy for desktop etc where you have a wireless and a wired connection but less convenient for mobile devices.. unless you use a cloud connection and each client can link and share via that.
Have I made the explanation worse??
Think of it this way.. if you had 3 laptops.. all 3 could connect to the internet from the building wifi.. but they cannot talk to each other or share resources in local office. You can put resources out in the cloud, that can be shared.. but that adds traffic and most free services are not fast.
Now you can also plug all three into Time Capsule by ethernet.. and share local resources. Files, printers backup etc. This network is not connected to the internet at all. Each laptop has internet via free wifi and local connection.
For devices like iphones that have no ethernet or other method.. you could use local wireless and public wireless.. but in turns.. still the only advantage is less issues with double NAT.. if that causes problems.. then this is an alternative.

How to use Airport Extreme to create a second wireless network with different IP addresses behind an existing modem/router?

Hi,
I have an existing modem/router from my ISP that does DHCP and NAT with base IP 192.168.1.1 distributed in the wireless network. I use this wireless network for our private devices. I could turn off the DHCP server in this first router, but there isn't a separate setting to turn off NAT.
I want to connect my Airport Extreme (4th gen) to this existing router to create a separate wireless network for visiting guests, where IP addresses of 10.0.0.0 etc. are used. So I do not want to use the Airport Extreme in bridge mode, as I would like to keep the devices on the first network 'invisible' for those on the second network. (P.S. when connected in bridge mode, the Airport works well and can distribute a network with a different name from the first. It's just that I would feel more comfortable about our privacy if the Airport were to distribute a different IP range. False security, maybe?)
I've tried doing this by 'Sharing a public IP address' in Airport Utility's Internet tab, leaving TCP/IP's setting to 'via DHCP', setting DHCP addresses to start with 10.0.0.2 up to 200 with all else blank, and not using a standard host nor NAT-PMP in the NAT tab.
When I do this the Airport complains of a 'double NAT issue'. Internet connectivity seems to be OK, but when switching between the two networks on my Mac I get complaints about my IP address being in use by another device intermittently.
Can anyone help in how to get the 'double NAT issue' resolved?
Thanks!

So if someone is connected to the modem/router network they will be able to see the HD I will have put in to the AirPort Extreme?
As I said above.....since the modem/router and AirPort are bridged, devices on the modem/router wireless will be able to "see" devices on the AirPort wireless, and vice versa.....
If they can see the HD connected to the AirPort Extreme, will they be able to access it
Yes, unless you plan to password protect the drive connected to the AirPort Extreme.
or will they still need the password needed to get onto the AirPort Extreme network?
The modem/router and AirPort Extreme are bridged. They are on the same network. All devices are on the same network when the modem/router and AirPort are bridged. Not sure how else that I can say this.
Also, because it is bridged, I shouldn't have any problems accessing the HD I will have connected to the AirPort Extreme from an external location?
Accessing devices from a remote location is never easy....and a topic for a different post/discussion. If you have a "static" Internet IP address from your provider, and have all the details on how to forward ports on your modem/router, you are off to a good start.
Apparently there is some addressing issues because devices can be seen as "Double IP" because the modem/router would have allocated IP's as well as the AirPort allocating IP's thus making connections slower until resolved
When you "bridge", all IP addresses are issued by one device. There will be no conflicts on the network, since they are bridged.
Once again, in very simple terms, you have two doors (access points) that open into the same room (network). One "door" is the modem/router and the other "door" is the AirPort Extreme. They are on the same network....("room") because they are bridged.

Time Capsule - Can it run as DHCP router, create a wireless network and plug into switch for wired network all at the same time?

I have a closet with Wired connections from all over the house terminating in it. I also have the internet modem and a switch in this closet. My old setup was a netgear in the closet creating a wireless network and also feeding the Ethernet ports all over the house. In my room, I had an Airport express (a month old) bridging the wifi to make the wifi network larger. The Express was hard wired from the wall and my mac mini was using it's wifi (printer was plugged into other ethernet port). Everything was working great.
Fast forward to last week. My Netgear died. So, I bought a time capsule. My plan was to move the Express to the closet and have it create the wifi network and also then run cat 5 cord from express to the switch to feed all the wired wall plugs. Reset it and set it up to create the wifi network as well as DCHP NAT. Wireless was running great on it. Then I plugged in the Cat 5 in the second Ethernet Port to the switch. Wifi stopped working and none of the computers would connect using wired connections either. They would see a 'network' but nothing would work. I would unplug the Cat 5 feeding the swtich and the wireless would start working again. Plug the Cat 5 back in and wireless would stop.
So I thought I would try the Time Capsule in the closet and see if I could get it to work. Pretty much the same thing, except at this point I figured out if I went in and told it NOT to create a wifi network the wired portion worked fine and all the wired computers in the house worked fine. Of course, then I didn't have Wifi.
I'm not clueless when it comes to networking, but I can NOT figure this out! Can either the Time Capsule or Express Create the wifi network AND also feed the data to the switch for all the wired computers?
To simplify this is what I want my end result to be. I prefer the Time Capsule to be the wireless connection extender, but if I have to have the Express do it, I'm fine with that.
1. Express in the closet creating the wifi network as well as feeding the data to the wired connections via my switch.
2. have the Time capsule in my room at the opposite end of the house plugged into the hard wired connection to extend the wrieless network as well as have wired connections such as my printer and my Mac Mini.
If I can get #1 to work, I don't think I'll have any problems with #2. Help!

I have an equally complex setup with a managed switch actually but I have never seen the TC have this kind of issue.
What I do notice is you have changed the TC from defaults.. you are using a non-default IP range.
I have run across issues like this where people move things from default.
I would like you to start over.. factory reset the TC. That will set it back to default router mode.
Do the min setup on the TC..
1. Change all names from what you were using. That includes the TC name and wireless name/s
Make them short, no spaces and pure alphanumeric because that is the correct way to network. Apple default names with spaces and apostrophes are fundamentally bad.
2. With just the TC plugged into the switch.. and a single computer connected by ethernet. Power cycle the whole network.. this allows the switch to clear all the old MAC address.
3. Test on the computer just ethernet. Turn the wireless off.
The computer must use dhcp and must get an ip from the TC.
It has to get the correct Router.. ie Gateway.. I wish apple could stick with proper network terminology.
And it must get same address or valid DNS server address/es.
If it fails.. please plug ethernet directly to the TC.. bypassing the switch.
You should get the standard IP addressing and internet connection.
If not please post the screenshot from the Mac of the network preferences showing the ethernet setup.
I need to see what address it does get. I need you to make sure the ethernet is the TOP of the list. So rearrange the order of network connection. With the airport off it should just go to the top of the list.
If it appears to be working .. but a browser cannot connect, open a terminal and ping an internet address.
Ping the actual gateway address the ISP gives you and ping the ISP dns address.

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I have a Linksys wireless router which is replacing a older one of different brand. I want to use my Airport Express to extend signal strenth in the family room and feed the speakers as I've done before.
Is there something I have to do to get this new Router recognized by the Express?

Not all Linksys wireless routers can be extended with an Airport Express.
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HT1178 Do I want to create a new wireless network or join my current network? I can't connect an ethernet cable to the Mac / printer and to the wireless modem at same time - in two different rooms.

I am trying to set up Time Capsule so that I can do my first backup (after 1 1/2 years!) with Time Machine. I have read other forums, but in each case they instructions eventually do not apply.
I have connected my TC to my existing wireless router. This sits in a bedroom and cannot be moved as a rental home.
I have plugged in the TC and updated the software.
Now - do I want to A Create a New Wireless Network (remember I can't connect the TC to Mac using an Ethernet cable). B Replace an existing base station or wireless router with TC (only intend to use for TM as don't know other benefits as of yet). or C want TC to join current network.
Thinking C. If I choose C, it then asks A TC to wireless join current network (NO as already connected using Ethernet). B want to connect TC to my network using Ethernet to extend my existing wireless network. C want to disable the wireless network on this TC and connect it to my computer or network using Ethernet - CANNOT do this as devices can not be in the same room.
Or do I want to create new wireless network - first set of questions - choice A? What is the benefit to creating a new one when I won't be in this rental house for longer than 18 more months??
Please help and quickly! Thanks!

Let me suggest some things.
But first ask exactly what wireless router you have now and what type of broadband service?
Are you happy with the wireless on the current router? If so, then you can plug the TC straight into whatever computer you have by ethernet, short 1M cord with no connection to the network. And use it without affecting your existing network at all. This is trivial setup.
Although you don't say exactly what Mac and printer you are using, is it a desktop? Laptop it is definitely easier not to plug it in, but a desktop you can plug in the TC and it will all sit happily together.
How is the printer connected and to what?
I am not sure why you need such quick help.. this is all minor setup stuff.. and 18months in todays world is like permanent man.
Your multiple A, B, C are more confusing than helpful.
The best choices without more info.. are to replace the existing wireless router with the TC. ie your option B.. but how to do this depends on the type of connection. Is it cable or adsl? Can you easily bridge the existing modem router.. if that is what it is?
Think carefully in the ideal world what would you like..
and what do you have..
We can probably suggest ways and means to fit what you like to what you have.. without introducing a stack of options that are doing your head in.

Creating a seamless wireless network with 2 AExpress units

I have 2 Airport Express units in different parts of my house. I have struggled for YEARS trying to get them to create one seamless wireless network with the same name that I could float between. I have never been able to get that to work. anyone?
I know that some of the problems MAY have to do with the non-apple router settings, but I just have never gotten a clear response form anyone about weather it is doable, and/or worth doing. I would settle for 2 seperate wireless networks that didn't compete with each other and/or constantly need re-booting to stay active. I am generally the most tech savvy person I know and am consulted on IT by friends and colleageus regularly, but I just cannot figure this one out..
I am totally capable of setting this up, both in the router and the AE units, if someone can just tell me that;
1) yes it is possible and it will work, and
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Thanks for the clarification. Check your AirPort Express devices one at a time, but other than different device names to avoid confusion.....AirPort Express 1, AirPort Express 2....for example, the settings should look this:
Open AirPort Utility , select one AirPort Express, click Manual Setup
Click the Wireless tab below th row of icons
Wireless Mode = Create a wireless network
Wireless Network Name = Your choice
No check mark needed next to "Allow this network to be extended"
Radio Mode = 802.11n (802.11 b/g compatible) a good choice, but you can choose other combinations by holding down the option key on your Mac while you click on the selection box
Channel = Automatic
Wireless Security = WPA2 Personal an excellent choice if all of your devices are compatible with this setting
Wireless Password = Your wireless password
Confirm Password
Click the Internet icon
Connect Using = Ethernet
Connection Sharing = Off (Bridge Mode)
Update to save settings
Configure AirPort Express 2 exactly the same way and Update to save settings
Then, power down the entire network.....all devices....order is not important
Wait a moment, then start the modem/router first and let it run 2-3 minutes by itself
Start each AirPort Express the same way
Start each other network device one at a time about a minute apart
Check for proper network operation
IF....you did not have your AirPort Express devices in Bridge Mode before.....that is the reason why you are having issues now and also is the reason why the "roaming" network was not working.....assuming that there was a reasonable overlap in wireless coverage between the 2 Express devices, of course.
If you want to try the "roaming" setup again, assign the exact same wireless network name, security and password to both Express devices and confirm again that both are setup in Bridge Mode as the very last step before you click the Update button in AirPort Utility.
Power down the entire network and start up in sequence as well as in the example above.

Setting Up TC as a Router / Creating or Replacing a Network.....Confused!!

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