Airport Extreme Base Station as NTP local time server?

Hi,
I saw here: http://www.macosxhints.com/article.php?story=20040809162009908
that an airport express can act as a local time server for your LAN. However I tried setting 10.0.1.1 on my computer to use an AEBS the same way and get this in the log:
ntpdate[5750]: no server suitable for synchronization found
Seems strange that the AEBS would be less capable than the express here but is there some setting I'm missing?

Similar Messages

Airport Extreme Base Station as an wireless Extender to new Airport time capsule

After many months of time machine back up problems. (verify back up failing) I am considering biting the bullet and getting a new 2TB Airport extreme time capsule. Can I use the old (late 2013 801.11ac) airport extreme to extend wifi network?
A few other questions.
1.Does extending reduce wifi performance?
2. If using extreme as extender can I still plug in hard drive or hard drive to it?
3.
currently using imac 21.5 (late 2013) 1TB backing up to 6TB WD mybook live duo (connected to Extreme using ethernet), via airport extreme base station (ac wireless band to mac)
Any guidance appreciated.

Is it possible to quantify how much faster USB back up is compared to 802.11ac between mac and AirPort time capsule?
600GB should take 10 hours by ethernet. And it will be somewhat faster by USB3.. exactly how fast is difficult to predict as the first TM backup itself is slow due to many small files. In terms of raw speed maybe twice but it will depend on the disk used. USB you can use an SSD and get super huge speed. (not that I think you will be buying a 1TB SSD anytime soon).
In terms of raw speed it is cheese and chalk. The max speed of real world file transfer on AC wireless is around 430Mbps and that is using ideal world.
http://www.smallnetbuilder.com/lanwan/router-charts/bar/113-5-ghz-dn-c?see=MAX
This has nothing to do with link speed.. this is how fast a file actually transfers. And that is assuming the iMac and the TC are in the same room. And everything is perfect with nothing else using connection.
The real world speed of USB3 is around 100MB/s to a spinning hard disk..
http://www.macworld.com/article/2039427/how-fast-is-usb-3-0-really-.html
which may indicate the limit is the actual disk speed. In bits per second you x 8.. so the USB3 is 800Mbps. The advantage of USB direct connection is that speed is available at all time. Not when your close or the load on wireless is low.
Further to your comments when extending. Is it only the area covered by extending that has reduced performance or all the wifi signal?
The speed will depend on hops..
So if the computer is using resources on a local router.. and only one wireless hop then it is fast.
If it is using resources via a second router so wireless goes.. computer--- router2----router1-- resource.
Your speed drops 50% at best.. at worst it is really bad.
For example.. computer 1 on router 1 accesses computer 2 hard disk on router2 with everything wireless.
Count the hops. C1-R1, R1-R2, R2-C2
That gives 3 hops. So each packet is transmitted.. along that chain.. each transmission can only begin after it is received in full. Now add some other computers using resources.. say C3 is using internet via R1.. that has to be time sliced. So you get 50% of 50% of 50% of 50%. It is obvious that wireless networks have a huge handicap.. they cannot transmit and receive at the same time.. nor can they talk to more than one client at a time.. so add time slicing to wireless hopping.
Now ethernet is entirely different. It can transmit and receive at the same time.. ie is duplex. And in a switch it can talk to several computers at the same time. That is why we say.. as much as you can ethernet.. and use wireless as the last single hop to a client that needs it.. ie iphone or ipad.. or laptop if you cannot plug in ethernet.
Can the ac wifi format be extended using AirPort Extreme and time capsule.
Over very short range yes. AC wireless is only on 5ghz and is poor penetration of solids.. so this will work but maybe only to the next room.

Airport Extreme Base Station as Extender to Airport Extreme Time Machine

I have tried this a few times, but to no avail: Tonight I purchased an Airport Extreme Base Station (AE) to set up as an extender to my Airport Extreme Time Capsule (AETC). The Airport Utility finds the router and goes through set-up seemingly fine, with green lights on both. Then shortly after (within a minute) the AE reboots on it's own, followed by the AETC rebooting (again, on it's own) and this occurs repeatedly. I reset the AE completely and run through the set-up and the same thing occurs. I've also done soft resets to the AETC. Long and short of it - the restarting discontinues once I unplug the power cord from the AE. Then the AETC resumes as it has - providing fine wifi and speed. It appears the AE rebooting on its own makes the AETC reboot. Any ideas? Thanks!

howto - extending airport 802.11n networks
Pre-Requistites
1) Ensure all have most recent firmware - 7.7.3 for AC devices, 7.6.4 for 802.11n devices
2) Have most recent Airport Utility (OS X 10.7 thru 10.9, use 6.3.2, IOS6/7 use 1.3.3)
3) Only have the Primary Airport/TimeCapsule powered on for now
Set up the Primary/Anchor Airport Base Station
1) Do this over ethernet - ensure that the Modem and TimeCapsule/Airport is connected on the WAN port
2) You'll be prompted by Airport Utility to name the Network and the Base Station
Network is the SSID of the Wireless LAN
BaseStation is the name of the Airport/TimeCapsule
3) You'll be prompted for a password - this will be for both the WLAN and the Base Station on initial setup
Note here - there are at least three passwords to worry about post setup
a) BaseStation Management - in this how-to, this will be carried thru to the extended basestations
b) WLAN Access
c) Disk Access for TimeCapsule and AirDisk
They can be same or unique, up to you...
Configure the Airport/TimeCapsule for WiFi/Network
4) Select the named BS in Airport Utility - click the 'edit' button
5) Review 'Base Station' Tab
5a) BaseStation Name
5b) BaseStation Password - you can change this now if desired, this does not affect WLAN password
6) Review Internet Tab
6a) set as appropriate for your network - e.g DHCP or other depending on needs
6aa) focus here is getting the primary BS set up first
6b) Click Internet Options - this is IPV6 setup - for now...
6ba) Set to Link-Local Only, click save, you can go back and change this later if needed
7) Go to Wireless Tab
7a) Set Network Mode to "Create a wireless network"
7b) Check Wireless Network Name
7c) Wireless Security - recommend WPA2 Personal - this is important as you'll need this later
7d) Wireless Password - the password entered in step 5b above is what is used here, feel free to modify or not - if so, note this
7e) disregard Enable Guest Network for now
7f) Click Wireless Options
7g) ensure 5Ghz network name is unselected
7h) Country as appropriate - since I'm in California, I choose United States
7i) Leave 2.4Ghz and 5Ghz Channels as "Automatic" for now, click save if needed
8) Click Network Tab
8a) if this is your primary router - use DHCP and NAT
8b) Click Network Options
8c) DHCP Lease - I use 12 hours
8d) IPv4 DHCP Range - every here is a bit different, but my recommendation for most folks
192.168.1.100 to 150
Use what works for you, keeping in mind that the AP Extreme, TimeCapsule, and 2012 Airport Express can handle 50 clients, max
8e) Ensure that Enable NAT Port Mapping Protocol is selected
8f) can worry about Enable default host at: [] later, this is the DMZ'ed host
8g) can choose to enable IGMP Snooping or not - doesn't affect the primary setup
8h) click save
TimeCapsule Only - for Airport Extreme, worry about AirDisk later
This is TimeMachine support, along with FileShares
9) Select Disks - you should see a partitiion named "Data"
9a) ensure that Enable file sharing is selected
9b) ensure that Share disks over WAN is unchecked for now
9c) Secure Shared Disks:
Choices here -
device password - noted in step 5b above
disk password - this will be for all LAN clients that can see the Data Partitiion
accounts - you can set up separate users and passwords - this is beyond scope of this how-to
Recommendation if using as TimeMachine only, use a disk password - note this as you'll need it for timemachine on the clients
Save Settings to the Airport/TimeCapsule
10) Click the "update' button
The Airport/TimeCapsule will restart
Everything now should show green and shiny - open a web browser and attempt to go to Apple/Google/Yahoo, to ensure that you've got network connectivity
Reviewing things in the Airport 6.3 utility, you should see your base station and the Internet - both with green status
Once done here, let's extend the Wireless Network
Note - again, it helps to be connected to the primary base station on ethernet, wireless makes things, erm, challenging
11) with another decive - Mac/iPad/iPhone/iPod Touch or PC, ensure that Wireless LAN is working on the primary AP/Basestation
Once this is done, then proceed to the next step
Enable the "Extended" Airport - can be another TimeCapsule, Airport Express or Airport Extreme
For purposes of this discussion - assume all ore 802.11n capable at a minimum, so this applies towards more recent gear
a) Airport Extreme AC (2013)
b) Airport TimeCapsule AC (2013)
c) Airport Express 2012 Dual-Band (Looks like AppleTV)
d) Airport Extreme 802.11n 5th Gen, TimeCapsule 4th Gen
e) Airport Express 802.11n - similar to the 802.11g variant, looks like a MacBook Pro power adapter
Assumptions here is that the extended airport is factory defaults - see link below for more info:
http://support.apple.com/kb/HT3728
Once this is done, plug in the Airport that is intended for extending the wireless network
after about a minute or so, you should see a blinking orange light, this is normal...
In Airport Utility, you should see in the upper left hand, "Other Wi-Fi Devices (1)" - click this, if you don't see this, exit and restart Airport Utility
12) clicking on the button, you should see an entry menu as "Airport Extreme xxxxxx", select this
13) Once selected, you'll see "This Airport Extreme/Express/TimeCapsule will be set up to extend "Primary Base Station"
14) Enter the name for this base station - it should be unique from the name of the Primary noted in step 5a
15) Click "next"
16) Should see "setting up this base station to wirelessly extend..."
you'll see some progress messages.. this is the two basestations handshaking....
If successful, you'll see the BaseStation named in step 14 as "is now wireless extending "base station named in (step 5a)"
STOP - the Airport is now extended, repeat steps 11 thru 16 for each addtional Airport
For advanced features - such as port forwarding, DMZ, IPv6 Tunnels, Back to my Mac, etc - perform this only on the Primary Base station outlined in steps 1 thru 8h
Good Luck!

Airport Extreme Base Station N adjusts time, then drops WDS

I have a WDS network with a +Time Capsule+ (TC = WDS Main) and an +Airport Extreme Base Station with 802.11n+ (AEBSn = WDS Remote). Everything works great - except when it doesn't. The AEBSn will suddenly drop the connection, and instead of a normal IP address (10.0.1.11) it will get a self-assigned one (e.g. 169.254.130.58). I have pawed through a number of log files, and I see that at the point that things go south, I get a whacky net-time update; for example:
Jul 31 20:25:21 Severity:5 Internet Configuration leased -- host <10.0.1.11/255.255.255.0> gateway <10.0.1.1> dns <10.0.1.1> wins lease <14400> domain <dclient.lsne.ch>
Jul 31 19:54:15 Severity:5 Clock synchronized to network time server time.euro.apple.com (adjusted -3606 seconds).
Jul 31 20:55:35 Severity:3 No Address for NTP server time.euro.apple.com.
Note the 1-hour backwards time adjustment; after that, the AEBSn has dropped the connection. Note that there was no user traffic on the network at the time - no one was home.
Sometimes the status light on the AEBSn will go yellow, sometimes it stays green - I haven't been able to detect a pattern to that. The TC is zen: he's green no matter what happens. I thought he was supposed to be a caring master?
I thought this was perhaps related to interference from other wireless networks - I live in the city and there are a bunch around me - so I moved to the least-used primary frequency band: no change.
Help!!! This is driving me bananas. Thanks in advance.

Bob,
Thanks for the response, and sorry for taking so long to get back. I think I found how to fix the problem of the dropped WDS connections, and I wanted to give it a while to make sure the problem was really fixed.
The drops got to be more and more frequent, until finally the WDS connection would drop pretty much immediately. At that point, the TC (the master in my setup) for the first time started showing signs of being unhappy: the status light would briefly flash orange at irregular intervals (I could see nothing relevant in the log file, though). I had always assumed the problem was at the AEBS end, and had always restarted him, but this time I tried restarting the TC - and bingo presto, everything started working, and has been working for over a month now, without ever restarting the AEBS.
I would guess that there's something in the WDS implementation (at least on the TC) that gradually degrades over the period of many months - memory leak or fragmentation or similar.
Thanks for the suggestion about the "extend a wireless network" option. When I read the manual, I got the impression that was just an automated way of setting up WDS; I didn't realize that it affects the band used. I now realize that the title of the section, "Extending the Range *of an 802.11n Network*," is not totally anodyne. Anyway, I just now set it up as you suggested, and so far, so good.
Thanks again,
-- Philip

How do I open the same ports on an Airport Extreme Base Station for multiple computers at the same time?

As the title suggests...
I have a mix of five Mac and PC's at home using an Airport Extreme Base Station as the router.   I need many ports opened on the AEBS for all of the computers- not just one computer. (for example: three people want to play TF2 on Steam at the same time; each machine needs the correct ports open on the router).   Port forwarding only allows me to forward a given port to a single IP, yet I need that port open for five differnt IP's, all at the same time.
How do I do that on an AEBS?
In the same way, I have a small office of four iMacs using an old airport with the same exact issue.   I would like to be able to connect to all of them remotely with Apple Remote Desktop, but the port forwarding on the airport only allows a port to forward to a single IP.   I want to be able to tunnel into the office network and log onto any machine behind the Airport extreme... not just a single IP.    I currently have it set up where I can tunnel into the office from my house, I can find the one machine that the port forwarding has been assigned to, I can log on and everything is just fine... with one machine.    How do I open the firewall for the other machines?
TL,DR version: How do you open ports on an Airport Extreme Base Station instead of forwarding ports?   Forwarding ports doesn't work for multiple IP's.

You can open a single or multiple ports to a single device or different ports to different devices, but you cannot open the same port to multiple devices via the AirPort Utility for the Apple routers.

How can I get Time Machine to back up an external hard drive (iPhotos) that is attached to airport extreme base station. Note: Time machine is usb to macbook pro and external drive with iphotos is usb to airport extreme base station. Help please. Thanks!

How can I get Time Machine to back up an external hard drive (iPhotos) that is attached to airport extreme base station. Note: Time machine is usb to macbook pro and external drive with iphotos is usb to airport extreme base station. Help please. Thanks!

Once you have the drive connected to your Mac, click System Preferences (gear icon) on the dock
Click Time Machine
Click Options
Be default, the hard drive will be Excluded from backups. Click the drive to highlight it, then click the "-" (minus) button at the bottom of the list to remove the drive from Excluded items.
The drive will be backed up on the next Time Machine pass
Everything above assumes that the hard drive has been formatted in Mac OS Extended (Journaled) as Time Machine will only backup drives in that format.

I have an Airport Extreme Base Station and have recently upgraded to Mountain Lion. Now airport utility won't work with my base station so I bought a Time Capsule. For the life of me I can't make the substitution work and only see a blinking amber light.

I have an Airport Extreme Base Station and have recently upgraded to Mountain Lion. Now airport utility won't work with my base station so I bought a Time Capsule. For the life of me I can't make the substitution work and only see a blinking amber light. Can anyone who has made this change offer some advice?

apikoros wrote:
The Utility transferred all of the AE's settings, so I still have to change the password, which leaves me with only 2 other questions, I think:
1) I assume it's just a matter of using the Utility, entering a stronger password and checking for it to be remembered in Keychain Access. But do I have to change the password for each individual unit-- the TC, the Extreme and both Expresses-- or will changing it just for the TC alone work for the entire network?
Resetting the password you will need to do for each device... the utility cannot even see those old units.
So you will have to do it for each one.. think it through.. because as you change passwords the others will lose connection.. so start from the express which are wireless extending .. change those first.. and go back up the chain.. as each one changes it will drop off the network.. until you reach extreme and change that. Then you might need to reboot the whole network to get everything talking again. If something goes wrong.. just pluck that one out of the mix and plug in ethernet.. reset and redo the setup. That is my preferred method anyway.. do everything in isolation one by one. By ethernet and then nothing goes wrong.
2) Who's the treasonous SOB who spilled the beans to you about the ICBM in my back yard?!?
N.Korean hackers.
[Edit] Whoops-- one more question: I want to partition the TC's disk, but Disk Utility doesn't see it. What do I need to do?
You cannot partition a network disk. And apple provided no tools for it in the TC itself. You can pull the disk out and partition it but that voids your warranty. (although done with care who is to know).
Look at Q3 here.
http://pondini.org/TM/Time_Capsule.html
Mixing TM and data on the TC is worth planning carefully. They don't necessarily sit happily together.

Time capsule to extend airport extreme base station

I have an airport extreme base station dual band that I use to create a wireless network. I use a first generation time capsule single band to extend the wireless network. In the area of my home where the time capsule is my ipad and macbook the signal strength of the wifi is great and works great however my iphone 4 works horribly on wifi in the same room where the time capsule is located. Why is this? And is there a better configuration that would work better?

The AirPorts are all designed to try to extend the 5 GHz signal because that is the fastest connection. But, because 5 GHz signals are not as strong as 2.4 GHz signals, it's usually the 2.4 GHz network actually that winds up being extended because it's the stronger signal of the two bands and the extending device is usually located at some distance from the main router.
If your Time Capsule is extending the 5 GHz band, that's impressive. The AirPort Express would also probably extend the 5 GHz band if you placed it in the same area. Unfortunately, the iPhone cannot connect to that signal and must get it's connection from the main router. If you set things up so that the Time Capsule extends 2.4 GHz, then the iPad and your Mac will be running at significantly lower speeds.
It can be done by assigning a different name to the 5 GHz network and I can give you the steps. Is that what you want to do?
If you reversed the Time Capsule and AirPort Extreme, you'll have to set the Time Capsule up at 2.4 GHz and the AirPort Extreme will only extend 2.4 GHz. It cannot extend both 2.4 GHz and 5 GHz since it won't "see" that signal from the Time Capsule. No reason to do this really.

Older airport extreme base station as a network extender with new time capsule

I just bought a new time capsule (802.11ac). Can my older airport extreme base station (model A1143) be used as a network extender with it?

Yes, although it maybe disappointing..
There are two kinds of extending.. wireless repeater type which is poorest as it has to transfer all packets in two steps instead of one.. hence will halve the speed.
Or using ethernet to the old extreme and set it in bridge.. You can then setup roaming network... this is much better.. but getting ethernet to the right place could be messy or expensive or both.
http://support.apple.com/kb/HT4260
wireless extend doco.. mind all of this is out of date.. the basics are correct.. the methods via the airport utility may be obsolete.
http://support.apple.com/kb/HT4145
Documentation has rather lagged lately.

What's the most recent opinion about Time Machine backups to Hard Drives connected to the USB port on the Airport Extreme Base Station (5th generation)?

I have been searching the Apple communities and Internet for a final answer. I just bought an Airport Extreme Base Station (5th generation) and LaCie d2 quadra 1TB external drive as a replacement for TWO failed Time Capsules, neither of which Apple would replace due to failed power supplies. I formatted the 1TB drive using Disk Utility (Mac OS extended (journaled)) from my MacBook Pro, and then plugged into the Airport Extreme Base Station USB port. The Airport Extreme Base Station see the Hard Drive, and my MacBook Pro sees the Hard Drive in my finder under shared resources. Time Machine, however, does not see the drive. Is there a solution for this problem? If Time Machine will not work, is there another software product out there that will work, like Carbon Copy. Having to plug the backup drive into the USB port of your laptop every evening kind of defeats the purpose of having a laptop. Any suggestions would be appreciated.

Keeping in mind that this is not supported by Apple, I have been successful at doing the following:
1) Format the entire drive (1 Partition) as Mac Extended (Journaled). You must click in Options and set it as a GUID Partition Table (first option)
2) Plug drive via USB to AEBS
3) Using Airport Utility, use Manual Setup, then under Disks, select the new Disk and click File Sharing, then Enable File Sharing and Secured Shared Disks (recommended, of course). Other settings are up to you.
4) IMPORTANT: you will NOT see this Disk in Time Machine until you open Finder and double-click on it. You will not need to do this again (hopefully).
5) Now it should appear in Time Machine. Remember to exclude any large files like Virtual Machines, since they will be re-backed-up (is that a word?) every time it changes in any way.
6) Remember that the first backup (over WiFi) is the longest. Leave the computer alone during this period.
Good luck, and let us all know how it went for you!

DrayTek Vigor 120 + Airport Extreme Base Station? I have queries.

Ok, so my 3 or 4 year old USR 9108 router went down today-- again. I'm fed up and want a new one. It dies on me once or twice a month. It has decided it doesn't like my powerline adapters lately. and I'm fed right up. I run an internet radio station and what I need is stability.
At the moment, I'm thinking of setting up a DrayTek Vigor 120 ADSL modem (modem-only) with the Airport Extreme Base Station for my router. (I already have an Express on my network.)
First of all, can anyone please comment on whether they have this set-up and whether it's solid? I've heard good things about both of these devices, and I need something that's not going to flake out as regularly as my USR has been doing of late. Rock solid is a good thing for a 24/7 stream.
Second, can I just confirm a few questions that I think I know the answer to, but want to be sure before shelling out?
I am in the UK using an ISP that uses PPPoA; so I need to be sure the modem has a PPPoA to PPPoE bridge in order for the Airport to talk to the outside world. (Right?). I gather the DrayTek will do this. Will it therefore be just a question of setting the Airport to connect via PPPoE and then entering my ISP login settings in Airport Utility?
I need a setup ideally that, like the USR, will allow me to assign IP addresses manually to some machines or devices on my network but allow DHCP on other things (like my iPhone). It's particularly important that the radio stream should have a static IP. I gather, from having a play with my Express's settings, that I'll be able to accomplish this either directly or by DHCP IP-reservation. Directly would be preferable. Therefore, if I, e.g., assign my computers an IP address on their local network settings and then just shift the Airport's DHCP range so that it starts with (say) 192.168.1.10, rather than, 192.168.1.2, will the Airport be happy with that?
I also need port forwarding / port mapping. This should be o.k., right?
Thanks for help, people.

I'm running a very similar setup here in the UK. I use a Netgear DG834 rather than the Draytek 120 which I was looking at. I use a Time Capsule connected to the router which is in half-bridge mode and this allows me to connect using PPPoE, which is possible on the BT ADSL network, which I didn't know before! - there's no need to get an expensive PPPoA-PPPoE bridge. I guess the Draytek would do an even better job than the Netgear, but mine was the free solution
I use the TC to give out addresses to a network of various kit, with one fixed IP for a specific device. I find the TC and my airport express very easy to set up and run, if slightly light on the details of what's actually going on. That said, if it doesn't work, then they're probably broken!
Nothing you've asked for is out of the ordinary / impossible on the apple kit.
Hope that helps!

Airport Extreme Base Station - Wireless AND Hardwired connections

I have an Airport Extreme Base Station. I am under the impression that I can connect a hardwire via ethernet to my iMac, as well as use my wireless connections on my iBook. I am connected to the internet via my local Comcast Cable system on a SurfBoard SB4100 modem. I have one Ethernet port on the back of the Base Station connected to a Farallon iPrint Adapter for my antiquated (yet far more reliable than ANY injet I've owned) laser toner printer. I have a McAlly 5-port ethernet hub. I have a variety of ethernet cables, some with 8 wire connections, some with 4 wire connections. (Currently a 4-wire cable connects from the base station to the iPrint adapter) My total system has been dismantled for some time and I have been sailing through with the wireless connection on my iBook. But now I have a need to have both computers attached to the internet. I would rather have the hardwire connection and the wireless at the same time - if possible. The iMac is still on system 9 (stop laughing!) and I cannot afford to upgrade to 10 at this time.
Can anyone help me?

I am under the impression that I can connect a hardwire via ethernet to my iMac, as well as use my wireless connections on my iBook.
Yes that is possible.
Insert the Ethernet hub between the Farallon iPrint Adapter and AirPort Extreme base station (AEBS).

Can Airport Extreme Base Station 802.11g Connect To Park's Free WiFi?

The RV resort where I'm staying has free WiFi for Internet connections. It shows up on my iBook's Airport list of possible networks in the menu bar, along with my own local network which is an older Airport Extreme Base Station (white dome 802.11g) which has my HP printer plugged into it via an ethernet cable.
However, when I am connected to the park's WiFi via the laptop's Airport network choices, I am NOT connected to my AEBS, and therefore cannot print to the printer wirelesslessly. Is there a way for the AEBS to make the connection to the park's WiFi so I can use both Internet and printer from my iBook G4 without having to switch from one network to use the other?

Is there a way for the AEBS to make the connection to the park's WiFi so I can use both Internet and printer from my iBook G4 without having to switch from one network to use the other?
Sorry, but no. You cannot connect your iBook's AirPort to more than one wireless network at a time. Since it will be highly unlikely that you will be able to create a Wireless Distribution System (WDS) between your RV resort's Wi-Fi and the 802.11g AirPort Extreme Base Station (AEBS), you won't be able to extend it to meet your needs.

DNS settings for Airport Extreme Base Station

This month's MacWorld suggests that changing the DNS setting of the wireless device might increase the speed of the connection. What setting should my Airport Extreme Base Station use.
The Computer system says 10.0.1.1 and it works. When I entered the numbers they suggested I get no connection.
Any suggestions?

To change DNS setup on the Airport you need to put in the DNS change on the Internet tab. The Airport will always place itself as the main DNS server to the network clients that connect by DHCP, unless you set the Airport to static IP.. and it will use your ISP DNS server by default.. you can change them if you want. Just type in the new DNS you want to use.
This month's MacWorld suggests that changing the DNS setting of the wireless device might increase the speed of the connection.
http://www.macworld.com/article/2824564/slow-internet-edit-your-dns-settings.htm l
In most cases this is really so minimal as to be insignificant. The airport should cache the regularly used DNS addresses and you can test it by ping to your local DNS or the DNS recommended by MacWorld??.. but honestly a few ms is not going to change the world. To the clients the local network addressing should be still using the Airport as the main DNS.. you can setup manually in each device a different DNS but that can give local network issues as it then has to find local clients by broadcast.
I have a complex dns setup for other reasons.. getting past geolocks..
If I ping my local ISP dns I get
ping 202.76.170.228
PING 202.76.170.228 (202.76.170.228): 56 data bytes
64 bytes from 202.76.170.228: icmp_seq=0 ttl=61 time=25.422 ms
64 bytes from 202.76.170.228: icmp_seq=1 ttl=61 time=25.984 ms
64 bytes from 202.76.170.228: icmp_seq=2 ttl=61 time=25.504 ms
64 bytes from 202.76.170.228: icmp_seq=3 ttl=61 time=24.933 ms
64 bytes from 202.76.170.228: icmp_seq=4 ttl=61 time=25.297 ms
64 bytes from 202.76.170.228: icmp_seq=5 ttl=61 time=25.258 ms
64 bytes from 202.76.170.228: icmp_seq=6 ttl=61 time=24.915 ms
If I ping google DNS. 8.8.8.8
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: icmp_seq=0 ttl=57 time=37.985 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=57 time=37.562 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=57 time=37.715 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=57 time=37.639 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=57 time=36.845 ms
If I ping the US DNS server.
ping 208.122.23.22
PING 208.122.23.22 (208.122.23.22): 56 data bytes
64 bytes from 208.122.23.22: icmp_seq=0 ttl=51 time=187.209 ms
64 bytes from 208.122.23.22: icmp_seq=1 ttl=51 time=187.398 ms
64 bytes from 208.122.23.22: icmp_seq=2 ttl=51 time=186.681 ms
64 bytes from 208.122.23.22: icmp_seq=3 ttl=51 time=187.030 ms
64 bytes from 208.122.23.22: icmp_seq=4 ttl=51 time=186.731 ms
64 bytes from 208.122.23.22: icmp_seq=5 ttl=51 time=186.967 ms
It is very obvious the best ping is the ISP dns because the route path is shorter..
Google is very good but still takes longer and of course dns in another country is much worse.

Setting Up Comcast to Work with the AirPort Extreme Base Station

I just set up Comcast high-speed internet through the cable modem and ethernet connection and it works fine. What I need is a step by step instruction on how to set up the connection through my AEBS. I've tried to configure using the Admin Utility, the AirPort Set-Up Assistant, the Network panel---all with no success. I'm not sure what to enter in the boxes or what to check. I've read the "Designing AirPort Networks" PDF and it wasn't much help.
The AirPort Network was working fine with the dial-up connection I had before.

Voila! NOT!!!
I'm having the same problem trying to set up a friend's "new" Macs, and I cannot get them connected to the internet. I've also followed the same steps. I tried the resetting trick (unpluging, waiting, repluging the modem first, then the Airport Extreme Base Station.)
The DSL ISP is SBCGlobal. Their dsl modem is SpeedStream 5100. The AirportEBS is the about 4 year old white base station with the phone jack, and a WAN and a LAN ethernet ports. I'm trying to connect two iBooks and a MacMini.
Everything did fine for the past year with the modem in "regular" mode and only ONE Mac connected. When the new Macs were recently acquired, SBC techs said that the modem needed to be put into PPPoE mode so that multiple Macs could be connected at the same time. This was done. [The techs said in regular moden the modem does the authentication; in PPPoE mode the modem acts as a bridge and the AirportEBS is the router and provides the authentication. I am assuming the techs are coreect, but I don't know for sure.] The CAT5 ethernet cable from the modem goes into the WAN port on the AEBS. The computers all see the local wireless network set up by the AEBS.
However, when any of the Macs try to connect to the internet, the error message returns "No PPPoE server available." Resetting the modem and base station has not cured this. [n.b. Bypassing the AEBS completely by connecting the CAT5 cable from the modem directly to the Mac will provide internet connection.] Any other ideas? Sounds like both of us are having the same sort of problem.

Airport Extreme Base Station as NTP local time server?

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