Cisco Wireless :: Only 5.5 Mbit With Aironet 2600 AP
Apr 16, 2013
we have some (2) HP Notebooks with a Broadcon 4313 b/g/n WLAN Chip and use the latest drivers (2012). This Chip can provide up to 72 mbit/s with 2,4 ghz.
If we connect this notebooks to a Aironet 2600 AP (10 feet distance) the Windows 7 WLAN Dialog shows 72 Mbit/s for 3 seconds and than only 5.5 Mbit. Others (newer) Laptops show 450 Mbit. The WLAN works with WPA2/AES and PSK. The speed doesn't go up, if we copy a big file to the laptop.
Here is the Linktest from the AP to Client (from the WLC 2504 Webinterface):
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Mar 20, 2013
Does Aironet Autonomous/Standalone 2602 support WDS (Wireless Domain Service)?
I noticed that Aironet Controller-based 2602 does not support WDS. I would like to use 1242AG series but it will be going EOS soon.
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Feb 18, 2013
I have to set up the AP in a standalone mode to support voice and data traffic through the wireless network. for this, i was trying to look for the config guide so i know how to go about it, but all the doc was refering to controller based setup. i followed this link URL
I have never worked on wireless in a standalone mode, so this is the first time i will be doing it.
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Jan 27, 2013
I purchased the AP wrongly, instead of getting the "Standalone/Autonomous" (AIR-SAP2602E) version but I purchased the controller-based version (AIR-CAP2602E); my question is can I use "ap3g2-k9w7-tar.152-2.JB.tar" too flash it to a "Standalone/Autonomous" version?
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Feb 4, 2013
Aironet 2600 and 3600 series. I need to know their maximum distance (at least theoretically, in Line of sight, eliminating all other factors...) in order to choose the right number of AP to provide enough coverage for a specific area. If an exact number is not available then can you show me how to determine it?
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Mar 19, 2013
I've recently purchased a 2504 Wireless controller, and I have 10 2600 APs to deploy. I think I've set up the wireless controller OK - there doesn't seem to be much that needs to be done! But I just can't seem to register an AP onto the system.
Just to briefly outline what I have done, I have connected to the Wireless Controller via terminal emulator and run through the setup, then I have connected OK to the web interface, and I am able to view and amend the controller's configuration. So I have setup a WLAN and thats about it.
Next up I have powered on one of my 2600 APs, and I am able to view it working via terminal emulator again. But I am seeing it continually running the same routine to connect to a controller, and all the time it just fails. Below is what I am seeing.
One thing that I am unsure about is that I am unable to connect to the AP config pages via web browser, using the IP 192.168.0.97 (although it does ping okay). Is that odd?
And the main question - why doesn't the AP connect to the wireless controller? Do the APs need to be authroized on the controller first? If I check the controller's web interface, under Monitor - Statistics - AP Join, I can see the AP listed with Status "Not Joined" but I don't know what I need to do to make it join!
*Mar 1 02:28:54.579: %CAPWAP-3-DHCP_RENEW: Could not discover WLC using DHCP IP. Renewing DHCP IP.*Mar 1 02:28:57.583: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination.*Mar 1 02:28:57.651: %DHCP-6-ADDRESS_ASSIGN: Interface BVI1 assigned DHCP address 192.168.0.97, mask 255.255.255.0, hostname APb0fa.eb56.5abf(code)
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Feb 22, 2013
I am evaluating a Cisco wireless solution for our building. The building is occupied by two separate but related companies, which share some basic network infrastructure (some switches, an Internet connection, a DMZ environment), but which have two completely separate "Windows networks" with separate Active Directories. Each of these two networks are placed behind separate Microsoft TMG firewalls, each of whose external NIC are connected to the same DMZ network.
a) Acquire a set of Aironet 2600 APs and a controller, b) establish a BYOD SSID to be share between the two companies and guests, connected to the shared DMZ network, c) establish two additional separate SSIDs - one for each company’s staff, each authenticating against the appropriate AD-environment (incidentally, one is a straight Windows Server 2008 R2 environment with a TMG 2010 firewall and the other uses Windows Essential Business Server, so based on Window Server 2008).
Is that even possible with a single WLC?We are on 3 floors and about 60 people total. I am thinking that we can make do with 5 or 6 APs. Without having looked into it much, the 2500 controller looks good. Agree?
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Apr 2, 2013
I have just setup a new WLC 2504 controller to manage a WiFi service that will span 6 geographic locations. The local networks at each location are on different subnets (all 192.168.x.x) and are linked up via IPSEC VPN links, and there is Active Directory spanning the sites, with DNS and DHCP servers running at each location.
I tested the WLC at our main office with a single AP, and it worked fine. The AP set itself up, and wireless devices connect with no probs. Great! Yesterday I headed out to one of our remote sites, and connected an AP to their network - and that seemed to work fine too. Within a few minutes I was able to see the WiFi network I'd setup, and my smartphone connected to it straight away (as I'd rpeviously connected at the main office), so I was pretty happy that all was working well.
This morning however I've had notification that wifi performance at the remote site isn't great. I've got someone to check their ip address, and I've found that their IP address and default gateway match the LAN at the main office where the WLC is based - NOT the LAN where the wireless client is. Obvioulsy this is not ideal!
(I guess I HAVE done something wrong!?). And how can I get wireless clients at remote sites to pick up an IP from the DHCP server at THEIR site?
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Jul 29, 2011
I was wondering if I had a Wireless N router, can it do 300Mbit per connection, or can it do 300Mbit transfer across all connections?
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May 8, 2012
In 'Status' on my router there is a green dot in the field below 10/100 mbps at 'Internet port speed' - shouldn' that dot be below 1 gbps?
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Dec 25, 2011
Computer: Laptop Dell Studio 1555 Dual Core: W 7 64 bit, router Sitecom WL-351. Max. connection 120 Mbit. Speed normally approx 100 Mbiton the Dell desktops. Connection speed on the Laptop Studio used to be 60 Mbit wireless . Haven’t checked speed for many week but yesterday foundout that the speed dropped to 12 MB. Wired the laptop to the router, connection wend up to 98 Mbit.
Wireless again the speed dropped to 12 MBit. Checked the wireless connection with another laptop and it went up again to 70 Mbit. What could be wrong on the Studio 1555?
Cleaned the computer, no malware, Mode AP, Channel 11, WPA2
The card Broadcom driver 10-01-2008, version 5.30.21.0
The card works but the 12 Mbit should be at least 60 Mbit.
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Dec 17, 2012
I have the following problem. I bought two TP-LINK TG-3269 gigabit cards, placed them in two computers and connected them directly. On my Ubuntu system I used iperf tool and measured only 95 Mbit/s. It wont go any faster, I tried many times with different settings.
The indicator lamp shows 1000 Mbit/s.
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Dec 28, 2010
Any way to force the router to communicate wirelessly at only 1 or 2 Mbit/sec? I am having trouble connecting to another device, not made by Dlink, and their technical support suggested testing at a lower data rate.
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Jan 15, 2012
We are using a few Cisco2811's with the AIM-SSL2 hardware encryption module in a private WAN. This WAN is ethernet based and uses private address space.To add security, we are using cisco group-VPN with AES-128 encryption. The IOS version is advanced ip services.Routing is done with OSPF. According several sources on the cisco site this hardware combination should be able to handle a throughput of 30 -90 Mbit/s.In effect, we see that the CPU uses 60% at 2 Mbit/s load and almost flatlines at 100% on 4 Mbit/s load.With a 'show proc cpu' however the biggest individual process uses only 1,5%.The testscenario at which the 30 - 90 Mbit/s load get reached is a point-to-point Ipsec solution encrypted at 3DES.
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Feb 13, 2013
is it possible to plug a cisco aironet ap 2600 to a Cisco-Switch with PoE capabale port and give power to the Cisco AP-2600 through the switch port ? if yes, what is the exact switch part-number so that i can order one?Currently i have a Cisco Cat 3550-24 , does it support PoE?
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Apr 19, 2013
We have recently deployed Cisco APs (2600 series) in our org. but we are facing alot of bandwidth/speed issues. when a single user is copying or pasting any data into the network, the speed seems ok, but when multiple-users start copying data , so the data-rate speed gets slower and slower as the users are increasing.
Can any one tell me what is the issue? Why the internal data rate speed gets shared between users? i think each user should bydefault get any specific data rate speed, but that is what not happening on our end.
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Dec 10, 2012
I have a couple of 2600 APs (external antenna) which are getting PoE from my switch but no ethernet. This is happening on both APs. If I connect a laptop to the (cat5e) cable I get ethernet. If i move the AP to another patch lead adjacent to my switch I get ethernet connectivity too. So, change the cable is the answer I thought, however I have exactly the same issue on both APs and each ethernet cable has been reterminated a number of times (straight through). I wonder is the 2600 AP less tolerant to the actual ethernet cable ?
I just swap the cable, however the patch leads have been run (only 15m or so) and have been replaced once - relaying again is not an easy job. It's more a case of reterminating the cable that is already there and as I've already done this a few times on each patch lead and the results are the same each time I'm thinking I'm missing something obvious.
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May 22, 2013
Does the access point 1600 and 2600 support flexconnect mode?
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Jan 3, 2013
I cannot seem to locate a good document for SAP (standalone AP) security options to authenticate a connecting device at layer2 and/or at layer3. What the highest level of security I can use with BYOD such as Tablet devices (Samsung) and/or laptops.
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May 8, 2013
My question relates to how many clients can be connected to a 2600 series AP. The documentation states 200 clients per radio and the AP has three radios. However when my AP gets to 200 it rejects further clients with the following log: [code] I see this exact message many times and each time the radio mac address is the same and the number of clients connected is 199. The same mac address is used for both 2.4ghz and 5ghz so does this AP have a single logical radio covering both 2.4 and 5ghz frequency ranges and is the limit for all connected clients 200?When viewing the AP details under the Wireless tab it only lists one mac address for each AP for both 2.4ghz and 5ghz frequencies.
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Nov 9, 2012
What is the maximum throughput of a 2600 AP when using CLient Link 2.0. I see that the datasheet states that it is 450mbps, however, from my understanding of transmit beamforming (client link 2.0), when traffic is "beamformed" to a client it cannot use spatial multiplexing on the same antenna as well. If this is the case, with the 2600 only having 3 transmit antennas, does this mean that the max throughput to a client when using clientlink is 300mb ?
If not, how the AP transmit at 450mbps and beamforms at the same time.
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Apr 9, 2013
I get the following errors when a new 2600 series AP tries to join a 5500 series WLC:
*Apr 10 11:44:52.747: %CAPWAP-3-ERRORLOG: Go join a capwap controller
*Apr 10 11:44:53.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 10.0.0.9 peer_port: 5246
[Code].....
10.0.0.9 is the management interface IP of the WLC. The primary-base is set manually due to the fact that we have several WLCs in place but only 1 is s 5500 series. The other ones are 4400 series WLCs. The new 2600 APs only can join a 5500 WLC afaik. The WLC runs 7.4.100.0
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Mar 8, 2013
I have read in some documents that we should have one Ap for more or less 50 clients. But i also read for example in ap 2600 specs that it support maximum 200 connections per radio.So for example in a conference room (10mx5meter) for 150 users in theory can i have just on Ap2600 for web surfing or i should have 3?
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Jan 24, 2013
I have a 2504 controller and 2 2602 access points. I have managed to get them connected ok to the controller. Now I'm in the home stretch here trying to figure out how to authenticate clients to active directory 2003.I have followed a really good guide on setting up the windows 2003 CA server and have got my certificates installed ok on the controller.It looks as though I have to install the client certificate on each client laptop?? Is there a method other than client certificates with active directory?
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Apr 23, 2013
I am don't need anything unusual and I would love to go with the 2600/3600 APs, unless mixing them up is a problem.
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Jun 5, 2013
I have an unusual request to support an access point with a single external antenna to cover a small physical area (elevator car!!). All Cisco's currently shipping APs have dual band antennas using MIMO for throughput in "normal" deployments. Will a deployment with a single antenna work?
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Feb 14, 2011
I borrowed my dad's computer while mine was in the shop and it worked fine with a wireless pc card. Well, it had some issues so I reformatted it with a dell xp disc service pack 1. Since then I could not get the netgear ma521 card to pick up any networks. So, I spent a ridiculous amount of time messing with it with no success. I used that card on an identical computer and it worked fine. Still thinking it was a compatibility issue, I bought a linksys g-series card with the same issue. The "link" light never lights up. I'm pretty sure I've installed all the correct drivers. What am I missing? I've also tried reformatting using dell disc with service pack 2 and a factory xp pro disc.
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Apr 27, 2013
Configuring HP switches for Flexconnect. I am not sure if or not its doable? Access Points are 2600 and 3600 with 5508 as a controller. Idea is to keep the branch traffic local but the switches are HP.
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Oct 12, 2012
I know that the deployment guide for 2600/3600 access points states that if you have surveyed for a 3600 deployment, you don't need to survey again for a 2600 deployment. As the the 3600 is the higher specification model, is it safe to assume the reverse? I.e. a site survey carried out using 2600 access points is valid for a 3600 deployment, or is this too simplistic?
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Jan 23, 2013
Currently my solution consist of two 5508 controllers and several non-mesh and few mesh AP (2600) running in flexconnect mode in one single site in europe. Everything is going fine. However there is going to be a new site in Canada. I found some documentation saying that multiple country code is not available for mesh ap. Mesh ap are not going to join controller if multiple country code configured . but all this documentation is regarding version 7.2 and older. Im running version 7.4.100.0 and on configuration guide I don't find anything related to that.
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May 7, 2013
We are having a hard time to console into to the APs using the serial connection (USB to serial converter).We have tried the recommended settings (9600, 8 bits, no parity, 1 stop bit, no flow control (also tried XON/XOFF)) without any success.We are able to connect to 3560 series switches and 5508 WLCs using the same cables, notebook and application (putty, hyperterminal & secureCRT).
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Mar 4, 2013
If the 2600 series access points are compatible with a 4404 controller running 7.0.235.3 code? I was looking for a compatibilty matrix for the AP to controller to code comparison but couldn't find one.
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Apr 9, 2013
I have a strange issue with clients connected to a WiFi network.I have configured AP in FlexConnect mode and 2 SSID's. After a reboot of the AP the network is stable for almost 45 mins. Then each client will go UP and Down, mostly with a delay of 5 mins.
What could be the source of this. The clients are Windows CE handheld with fixed IP adres. I already configure persitent client and have play arround with APR timers as well. Thereby an Windows desktop or an iPad has less connectivity issues but even they expert pakcteloss once in severall minutes.
Session timer is turned off
The iPad for example can play music, but each 5 mins you hear a little hickup and 2 subsecond ping are loss.
Controller version is 7.3
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