Refreshing access points in the environment, models???

I am slowly going through the environment replacing the 80 AIR-1252 access points. I have decided to replace our 1142s at the same time so that the environment is up to date. I was curious what the recommended replacement is for these access points. I saw that Cisco recommends the 1262 as the replacement for the 1252.
I work for an oil and gas company with locations throughout the country. We are using two 5508s with Flex Connect running the latest 7.3 code with consideration for 7.4 in the next 6 months. Our sites are a mix of office space with warehouse or other rugged environments. I am thinking 2602s to replace the 1142s and 1252s mounted in the offices and I am considing 1242s to replace the 1252s mounted in our warehouse/truck bay environments.

Well the 1262 did replace the 1252, but then Cisco came out with the 3502e and the 3602e. So maybe what you should look at is using the 2602i's in the office areas and maybe the 2602e's in the rugged area or even look at the 3502e/3602e. This way you have all AP's that can support CleanAir.
Thanks,
Scott
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Is there any way I can control which specific access point I connect (and stay connected) to from amongst a set of access points with the same SSID?

I'm working from a boat in a harbor in which the ISP has deployed numerous access points around the periphery. All the access points share the same SSID and each is configured to use either channel 1, 6 or 11. From my location, there are over a dozen of these access points "visible" (based on the the output of WiFi Scanner) with a range of RSSI and S/N values that vary over time.
The ISP has told me that the quality of my connection should be "perfectly fine" for any access point with an RSSI value better than -75, but I know from experience that my connection quality is miserable (i.e. < 50Kbps download) for almost all of these, including those with RSSI values better than -75. There is at least one exception, however, which gives me on the order of 2Mbps download, which is "great" in this context.
I've tried using a more powerful USB antenna plugged into my MacBook Air (mid 2011), but as far as I can tell, it really doesn't make much difference. Neither does my location within the boat. The overriding factor seems to be which access point I happen to connect up to.
I should point out that the closest access points are about 75 yards away, with many of them being several hundred yards away or more. I'm guessing that even though the signal strength of some of the distant access points is causing them to get "chosen" some times, the results are unacceptable due to the distance.
I'm hoping that I can determine, through experimentation, which access point(s) provide(s) acceptable performance and then configure my Mac to limit my connection to those points through whatever mechanism I need to use (e.g. channel, MAC id, etc.).

Establishing a wireless connection with a client computer is left to the access point for various reasons. One reason that your Mac may not connect to the strongest access point is that it may have reached a limit of the number of clients it can serve, leaving it unable to accept a connection with another. The limit may not be very large.
Suppose that happens, and your Mac establishes a connection with a more distant access point having a weaker signal. Then, suppose a client drops off the network. Doesn't this mean your Mac will switch to the stronger access point? Not necessarily. The throughput delivered to and from your Mac would have to drop below a threshold specified in the AP for it to drop the client, leaving your Mac free to connect with another one. The reason for this is to prevent rapid switching from one AP to another in an area in which two signals are of approximately equal quality. If that were to occur the frequent and repetitive handshaking between the two devices would slow throughput to zero.
In an environment in which several access points are broadcasting the same SSID, Apple provides no insight as to how it determines which access point to choose. This is the reason I suspect this "choice" is a function of the router, or access point. The connection originates with it, not the Mac.
Now, what would solve your dilemma would be to determine a way to control the access point with which your Mac connects, by specifying the access point's unique MAC address for example. In this happy circumstance, you could maintain an editable "whitelist" or "blacklist" of the harbor's access points and be able to choose which among them you prefer.
I do not believe OS X maintains such a record of MAC addresses though, only those of the routers it uses. If I am correct about that, such a solution is unlikely to exist. Don't let that discourage you from searching for one though... I would concentrate on something like "selecting access point by specific MAC address".
I did find this patent application though:
Roaming Network Stations Using A Mac Address Identifier To Select New Access Point
Perhaps it's a start

Can I use the Ethernet Port for a computer when it is also used as a wireless network with an Airport Extreme as the access point for the wireless network

Can I use the Ethernet Port of the A1264 Airport Express to connect to the Ethernet port of a computer that does not have wireless capability when the Airport Express is also used on a wireless network with an Airport Extreme 5th generation as the access point for the network?
I have AE 5th gen
looking to buy (from ebay) the AEX A1264
Various computers, printers and hubs for the network
Is this possible to do?

Bob, Thanks for the info. I have read different articles that said yes, but I wanted to make sure before I commit to buy. I have an older A1084 which I could not use the Ethernet port. I know at one point I was able to when I was on 10.4. Now that I am on an Intel processor and 10.8 I am going to have to upgrade some of my Apple wireless hardware.
Thanks Again.

Some Question About Access point of the WRT54G

How many devices can the access point of the WRT 54G support?
I am looking at hooking up one Wii, 2 laptops and a Nintendo DS will this WRT 54G be able to handle that or will I need other devices.

Not sure how many wireless devices the WRT54G can handle. Most AP's depending on the amount of traffic is around 30 or so. Here is a link to the web site with the info for the WRT54G.
http://www.linksys.com/servlet/Satellite?c=L_Product_C2&childpagename=US%2FLayout&cid=1149562300349&...
Richard Aichner (Ikester)

I cannot print to a p1102w if i am on a machine connected to the same access point as the printer..

I have two p1102w printers set up in a school, any time I try to print it will only work if the laptop i'm using is connected to a different wireless access point than the printer. This happens anywhere in the school, has anyone ever encountered something like this before?
The laotops are running xp sp3 professional by the way.
Thanks in advance for your thoughts and ideas.
joray75

First thing to do is check your routing rules and tables in the network to make sure the type of communication you're wanting (printing via wireless on the same access point) is allowed. I'm betting something is off in those that's preventing communication.
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Types of Autonomous Access Point in the Cisco Market.

Hi All,
I am quite new to the wireless technologies. I need some help in understanding the basic models of Cisco wireless Hardware available in the market (Enterprise Level).
From my initial studies in past 24 hours what i understand is that Autonomous AP are the wireless AP which does not require Controllers. they needs to be configured on their on. So far i could find Cisco Aironet C1130 AG models which can be used as Autonomous Access Point.
Can anyone suggest any other Cisco AP which can be used as Autonomous Access Point?
Can 800 Series wireless routers be used as Autonomous Access Point?
Do we have any ISR Modules which can be inserted on a router to have a Autonomous Access Point?
Thanks.

I have short listed the routers in 800 series: 891W, 892W, 892F-W, C887VA-V-W, 861WDoes the command you have mentioned make these routers as Autonomous?
Of the 800 series (I have no knowledge about the 1900W), there are only five sub-models that have built-in wireless.
850W & 870W both have autonomous-only AP. These two models are already end-of-sale. So we scratch those two out of your list.
860W, 880W and 890W both have builti-in AP. The APs can operate EITHER in autonomous or controller-based. You can easily convert the AP from either controller-based to autonomous (and vice versa) by using the router command I've posted in my previous response.
A simple guide when dealing with the 800-series router. Notice that we end our models with a "0"? This basically is the sub-model. The one's that you've listed ends with different digit, like a 1, 2, 7. This is the "flavours". 7, for example. are xDSL WAN interface. If it ends in a 1, the WAN interface is Fast/GigabitEthernet. If I remembered correctly, the 2 has a fibre optic port as a WAN interface. The 887VA means it's a xDSL with Annex "M", I think, and it's geared up for voice.
It would be great if you could point out some models or PID of AP which will work in ISR G2 2900 3900 routers.
Go here. I'd recommend the 2600 access point. There are two sub-models: one with internal antenna (ends with an "I") and one with an external antenna (ends wth an "E"). If you want the "E", be aware that you need to purchase the appropriate antennas separately. If the APs are to be used indoors, use the "I".
Go through this other document: Wireless LAN Compliance Status
Make sure you get the appropriate AP with the correct regulatory domain of the country where the AP is going to be installed. For example, if the AP will be installed in USA, then get the one with the regulatory domain of "SAP2602I-A-K9" where "-A" is the regulatory domain of the USA.

Lightweight access-point joined the wireless controller but no radio channels

a customer wireless controller 2106 he use access-point AIR-LAP1252G-E-K9 the access point the leds indicate
etherner and radio is blinking green and status is green.
please help i am in the customer company now

The AP1252 has higher power requirements than some of the Cisco PoE switches provide. Depending on the switch you are plugging them into you will get enough power to power up the device and connect to a controller but not enough to power up the antennas. Options that can work include:
1) Removing one of the antennas if you are not gonig to use it (or as a temporary workaround to get some wireless)
2) Using an external power supply
3) Using an external inline power appliance system that supplies enough power (http://www.microsemi.com/powerdsine/ is one example).
4) Depending on the type of switch you are connecting to you may be able to upgrade code to provide a higher amount of power to the port. For instance, a Catalyst 6500 by default supplies 15.8 watts of power to a port. But if you upgrade the code to 12.2(33)SXH2? I believe you can get 16.8 watts of power and this is enough to bring up both antennas on the AP. But even then you don't have enuf power to run the upper N speeds - I think anything above 72 Mbps is unattainable.
Other AP models such as the 1140 have lower power requirements and may work better for you.

Supported access points for the rv220w

I need to extend my wireless coverage to another building. What access points, in repeater mode, will the rv220w support? I need an AP with detachable antennas. I have an external mounted antenna on the metal building that I need to hook the AP to. Thanks!

Hi R. B, thank you for using our forum, my name is Luis I am part of the Small business Support community. As far I know the RV120W and the RV220W uses the same chipsets, so they could be used for WDS bridge setup.
For your second point the RV120W has antennas and you could remove them. Bellow you will see the review of the RV120W.
http://www.cisco.com/en/US/prod/collateral/routers/ps9923/ps10852/DS_C78-590161-00.html
I hope you find this answer useful
Greetings,
Luis Arias.
Cisco Network Support Engineer.

Multi access points in LAN environment

I need to implement multi access points in one LAN in long building. I want implement one common wireless network (one SSID, one security and different channels) with roaming. How can I do it based on Linksys products? I'm wondering that I can use WAP300N in Access Point mode but it not support 802.11f. Is any other device which support 802.11f? Maybe 802.11f is not necessary?

If you are connecting the AP's to a switch via ethernet then 802.11f isn't a requirements and you can configure them as you mention.
I did some research on 802.11f and believe that standard was withdrawn in 2006.
Please remember to Kudo those that help you.
Linksys
Communities Technical Support

How do you remove a manually configured wireless access point on the iphone 4S?

I have manually configured my iPhone 4s to point to a wireless access point that I no longer use. How do I delete it from the list of access points on my iPhone?

You can only "Forget this Network" while actually connected to the network, so ignore iamjeremi's post. Other than restoring your phone as a new device, you can't if you cannot connect to the network anymore.

Any point to the 160gb model?

ok so the subject title asks whether there's any point to the 160gb Apple tv?,
the reason for the question is simply the fact that my mac (powerbook G4) only has an 80gb HD, so at most my iTunes library would top out at around 50gb,
my question is can the Apple TV store more content than the host computer?,
ie can I tell the apple tv to keep music that no longer resides on my mac while at the same time adding new music to the Apple tv via my macs iTunes?
or will it want to sync both mac and Apple tv to have the same music library,
confused? well I did ramble on a bit there but you get the idea,
any info would be great, cheers

i'm assuming that you pointed iTunes to the new Library on the external?
preference > advanced > general tab > iTunes Music folder location > +change the path to the folder on new drive+
then just set up from the appleTV like you are going to sync from the new iTunes Lib on the external
this is copy pasted from another post...
go to iTunes
click on the AppleTV icon under devices
go to the Summary Tab
IMPORTANT!! click on "Custom Sync" and *uncheck "Show only synced items on AppleTV"* this will result in the un-synced files being shown right beside the synced ones... only thing is that when you select them from the appleTV, they will be streamed since they are not actually on the appleTV. no need to go to "Shared" anymore.. the appleTV will play the synced one if it's there, if they are not it will stream them
then go to each tab and click on what you want to sync.. the rest will be streamed
you must sync Photos to see them on the AppleTV though +i turn off all syncing except for photos.. the odd time you may want to sync something, you just go to the tab and check it's check box+
that's it..
Message was edited by: tmartine

Windows 7 or 8 shows the wireless client connected to the access point but the wireless icon displays "No connection to the internet

I have seen the same issue working with a different vendors wireless solution. When I sniffed the air with OmniPeek and the network the ap was on with WireShark, I see the arp request for the gateway go to the router, the reply from
the gateway router is sent out to the suspect machine in the air, the PC ack's the packet but never populates the arp cache. I have looked at both arp responses in a working vs failing scenario, both packets are the same.
The only way I have been able to resolve it was to disable IP Helper (start up too) from Services, reboot the machine. I was seeing 3 to 4 drops per day but since disabling this Service the machines I have been testing with have not seen the
issue again.
IP Helper:
Provides tunnel connectivity using IPv6 transition technologies (6to4, ISATAP, Port Proxy, and Teredo), and IP-HTTPS. If this service is stopped, the computer will not have the enhanced connectivity benefits that these technologies offer.
Machines Tested and Fixed:
Lenovo E540
Lenovo W540
Acer Aspire One
Dell Latitude E6420
The ip helper service change was made on 40 laptops, a dozen of which would fail in about an hour. So far 0 out of the 40 has seen the issue since making the change and rebooting (rebooting is key after the disable) the laptops. It's
been about 5 days.
Any reason why disabling this Service fixes the issue? With it on I can replicate the issue pretty quickly on a few different machine types so it does not seem to be driver or wireless nic vendor specific. I've checked through the
event viewer logs but nothing seems to be triggered during the time of the issue. Using the troubleshooter or disconnecting from the wireless service will fix the issue for only a short time.

I have seen the same issue working with a different vendors wireless solution. When I sniffed the air with OmniPeek and the network the ap was on with WireShark, I see the arp request for the gateway go to the router, the reply from
the gateway router is sent out to the suspect machine in the air, the PC ack's the packet but never populates the arp cache. I have looked at both arp responses in a working vs failing scenario, both packets are the same.
The only way I have been able to resolve it was to disable IP Helper (start up too) from Services, reboot the machine. I was seeing 3 to 4 drops per day but since disabling this Service the machines I have been testing with have not seen the
issue again.
IP Helper:
Provides tunnel connectivity using IPv6 transition technologies (6to4, ISATAP, Port Proxy, and Teredo), and IP-HTTPS. If this service is stopped, the computer will not have the enhanced connectivity benefits that these technologies offer.
Machines Tested and Fixed:
Lenovo E540
Lenovo W540
Acer Aspire One
Dell Latitude E6420
The ip helper service change was made on 40 laptops, a dozen of which would fail in about an hour. So far 0 out of the 40 has seen the issue since making the change and rebooting (rebooting is key after the disable) the laptops. It's
been about 5 days.
Any reason why disabling this Service fixes the issue? With it on I can replicate the issue pretty quickly on a few different machine types so it does not seem to be driver or wireless nic vendor specific. I've checked through the
event viewer logs but nothing seems to be triggered during the time of the issue. Using the troubleshooter or disconnecting from the wireless service will fix the issue for only a short time.

P1102w 'unable to communicate with any wireless router or access point using the provided SSID

For more than a 1 1/2 years I have been able to print wirelessly. Prior to getting all set up, I was getting this message and had difficulty with the setup. At that time I was under warrantly, I was able to get help from HP. However, it took techs a very long time to figure out why I was receiving this message. I somewhat recall doing something in the control panel and checking the SSID and password.
I recently received a new wireless router and now my printer does not work wirelessy. I can't figure it out!!
Anyone having the same probelm?

Replacing your wireless router try here.
http://www.hp.com/global/au/en/wireless/reconfiguring-system-help3.html
Say thanks by clicking the Kudos Thumbs Up to the right in the post.
If my post resolved your problem, please mark it as an Accepted Solution ...
I worked for HP but now I'm retired!

How the Access Point distinguishe the client's CW??

Hi all
according to the figur i attached, we know that when a wireless client want to send traffic to the AP (in upstream direction), this client must select back-off time between 0 and CWmin. the Client's CWmin is given by the AP via the beacon frame.
Now if we have 3 clients as shown in the figure, and they want to send different traffic, how AP distinguishe which station want to send voice, which station want to send data and which station want to send video.??? on another meaning, does the AP give all clients the same CWmin in order for them to transmit traffic to the AP???
Please help
Thank you

Naoufl:
You can not have different type of services on same WLAN. Each WLAN will have it's own services.
There should be one WLAN for data, one separate WLAN for voice and a third one for Video.
When a client tries to connect to data WLAN it uses data CW timers. the same for the others.
Clients connected to same WLAN can not use different CW timers. They will always use same timers if they are connected to same WLAN.
This is why you need to separate different services under different WLANs.
Hope this is helping.
Amjad

Have just found a hickup on the Lion software 10.7.2 When using a access point that you name with letters that is only in Norwegian æøå you will loose connections and only get time out. So the solution will be to rename the access point.

Any solution beside to rename the wifi access point without the spesial Norwegian letters æøå?

Your points match mine pretty well,though here are some thoughts:
1. I thought about this theory myself this morning (iTunes possibly causing more issues), but I haven't been able to verify it.
2. When I set up a new user it seemed better for a while, but the issue croppped back up. Yesterday I fully wiped the machine and reinstalled from scratch. I did not reimport my user from TimeMachine, but the problem has come back. My thinking was that I might have some really old software or prefs hanging around causing the issue. No dice.
3. This is my current theory of the issue, so my next step will be to pull the RAM from Crucial and see how the system behves. IF that doesn't eliminate the problem, I'll pull the factory installed RAM and replace it with the 3rd party RAM. The odd thing is how many people seem to have similar issues - I know two personally, and have seen several posts on forums. I think the most common point for this happening was the 10.7.2 update, which would point to software as the culprit.
4. That matches my experience.
My hope is that this will be repaired in the forthcoming 10.7.3 release (current production version is 10.7.2), but otuside of what I noted above, I'm at a loss.

Refreshing access points in the environment, models???

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