I have a AIR-LAP1242G-A-K9. I have several question:
1. Does the antenna is a MUST for it to work.
2. If I have a 1 unit of AIR-ANT2422DG-R (antenna) , does the wireless access still work? Do I need 2 antenna
3. If I have a 1 unit of AIR-ANT2422DG-R, does 802.11 b supported.
we do have a site where we need to deploy AIR-LAP1142N-E-K9 and AIR-LAP1242G-E-K9 APs. We have two AIR-CT5508-K9 controllers with SW version 6.0.188.0.AIR-LAP1142N-E-K9s work okay, as expected, we do not have any problems with them.However AIR-LAP1242G-E-K9s do not, there is a problem with establishing CAPWAP tunnel with the controller.The AP is seen on the controller for a while, with 0 time up-time, cannot change any settings on the AP via controller, and after a while it disapears from the controller, apears again and this repeats.
The APs and controllers are connected to the LAN campus.Controllers via two 1G links configured as Etherchannel to WS-C6506-E VSS switch with s72033-ipservicesk9_wan-z.122-33.SXI1.bin on it.APs to WS-C3750G-48PS with c3750-ipbasek9-mz.122-50.SE2.bin on it. 3750 is connected to the C6505 via two 1G links configured as Etherchannel.Below I copied the log I captured on 1242 and the controller. Highlighted ones are the ones which I think might bring a clue.
I performed some troubleshooting steps.
- As we have some other controllers available over WAN, I tested the 1242 AP with 2100, 4400 and also with the same model AIR-CT5508-K9 with SW version 6.0.188.0 over WAN and this worked always okay.
- I wanted to be sure that I eliminate any kind of out of sequence packet issue, so I brought down all redundancy L2 links so that the L2 path from the AP to the controller was only through one leg links.
- I also brought the second controller down to eliminate potential issue with having two of them up.
- The AP gets its IP from DHCP configured on the C6506 switch, I am always able to ssh to AP, so the IP connectivity does not seem to be an issue.
- I have more 1242s, all behave in the same way. I also connected them to some other 3750 switches we have in the campus, always the same.
- As this seems to be maybe a kind of ssl issue, I tried to play with controller settings, like enabling Accept... options under Security/AP Policy,but this did not work.
- I also tried to reboot the controller, no improvement.
- The APs came from the factory, so in the beginning everything was factory default in them. They were always able to download the image from the controller in the very initial phase. I still do have some of them untouched, so I can perform any troubleshooting steps with the fresh one.I can reproduce this, can also send debugging logs if needed.
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This Discussion has been converted into document:- [URL]
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AIR-LAP1242G-E-K9 10.0.13.28 log
*Mar 1 00:00:05.922: %SOAP_FIPS-2-SELF_TEST_IOS_SUCCESS: IOS crypto FIPS self test passed
*Mar 1 00:00:07.536: %SOAP_FIPS-2-SELF_TEST_RAD_SUCCESS: RADIO crypto FIPS self test passed on interface Dot1 1Radio 0
*Mar 1 00:00:07.672: %LWAPP-3-CLIENTEVENTLOG: Read and initialized AP event log (contains, 304 messages)
[code]....
I have several Lightweight APs (AIR-LAP1242G-A-K9) runing of a single WLC. We keep getting devices, sometimes all devices, losing network signal. The WLC is running a global power setup so all APs have their power set automatically. The setting for power parameters are default. I have noticed when I run a client test the APs run at 11Mbps while the client devices run at 50-54Mbps. The protocol used by both devices is 802.1G. These network drop offs are frequent and I should say may well be an issue with the client devices although there are several different types of devices experiencing this issue. My question is should the TX and RX rates be the same? Is it ok to have this disparity in the TX/Rx values?
View 7 Replies View RelatedI'm working in a campus environment that has an existing wireless network using a Cisco AIR-WLC2112-K9 controller.There are 8 AIR-LAP1242G-A-K9 access points connected to the controller. Each access point has a 5.0GHZ 4.5dbi Cisco omnidirectional antenna, although the AP only supports 2.4GHZ.
Q1. Why a 5.0ghz antenna might had been used with a 2.4ghz AP, and if we can expect increased performance if we replace the antennas with 2.4ghz ones?
Q2. On the controller, the antenna gain is set to 0 for each AP. Is there also a benefit to leaving that 0 as opposed to 9 for 4.5dbi?
I am working on installing a new 2500 Controller with 2 AIR-LAP1242G's attached to it. I have both registered and on the controller but I am having trouble moving one of them to a new IPS AP group that I created. Furthermore, I noticed the default gateway is missing from the static ip settings and I am unable to add that as well. When I add the default gateway and hit apply, the controller does nothing. Same thing for when I try to change my WIPS device to monitor mode.
A couple other things that I noticed is that when I go to AP groups and try to remove the AP's from the default group, there is no remove button when you go inside the default group like I see when i go into my IPS group.The AP's are on software ver 12.4(23c)JA3 Boot ver 12.4.13.0 and the controller is at 7.0.22.0I have already power cycled the controller and both AP's.
I need to update from older Cisco 350 Aironet 802.11a/b Wireless CardBus Adapters to Cisco cb21ag Aironet 802.11a/b/g Wireless CardBus Adapters in rugged tablet pc's. I need these without the antenna cap present to utilize the tablets antenna sytem. They are pictured on the Cisco website but Cisco partners I've contacted have been unable to assist me in purchasing them.
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I've been googling but can't seem to find a product. I have found omni-directional but no directional antennae
I recently checked the output of one of my AP 3502AGN which are connected to a WiSM with the current 7.0.240.0 software. There I saw the following output:
show ap config 802.11b 3502AGN-1100c-1
Legacy Tx Beamforming ..................... ENABLED
Antenna Type............................... INTERNAL_ANTENNA
[Code].....
I have to replace a 1230 with an 1262 AP.
All antennas have to be in the same direction on the AP and I guess when the old 1230 is working well the 1262 will be only better . Attached u see how I plan to mount the new AP versus the old one...
When we take a look at the internal antennas on the 1142 AP, we notice the 5ghz pointed all the same way, but for the 2.4ghz we can see each offset by 45/120 degrees. It was my understanding that all antennas are omnidirectionals on the 1142, why are those 2.4ghz antennas not all pointed the same way? onfiguration advantage and that each antenna is indeed omnicadirectional? Example, if I shut just one antenna off, do I lose a sector (120degree)?
View 5 Replies View Relatedi want to install a 3500e. I have a hole in my wireless network where this AP will be a perfect fit. I do have a wireless controller running code 6.x, so I think I will need to upgrade to 7 which is not a big deal.
The problem I have is the antenna selection. Since the AP has MIMO multiple-inputs multiple-inputs I’m perplexed on the type of antenna to choose. Since the environment is a warehouse the Omni directional would be preferred - should I also add the dipole antenna for close proximity to the AP. Also, I noticed in the getting started guide the 3500e has 6 external connection points 3 for 2.4 and 3 for 5 GHz. The antenna documentation says to use dual-band antennas, but this contradicts what is shown in the getting started guide. So what antennas should I get to make the 3500e work in a warehouse environment.
where can I find SKU for HGA9N antenna? Looking in CCW but I can't find it. Neither I can find EoS notice for it.
View 4 Replies View RelatedI am still new to wireless. I have been studing for my CCNA Wireless for about 6 months now so I still have a lot of questions.
Right now I have to deploy some new APs. We are using 3502e APs. I have a qustion on how to mount antennas for these access points. I have to make a mounting bracket the new installations. What was done with the previous APs was to mount a unistrut beam to an I beam in the building. There is 2 AIR-ANT-1728's and 2 AIR-ANT-5160V-R antennas mounted straight out on the unistrut. Then they put a T bracket on the unistrut and mounted a second bar 90 degrees from the main bar and connected the third 1728 and 5160 antennas on the second mounting bracket. So we have 4 antennas in a row, and two off to the side 90 degrees from the other 4 antennas.
My question, is this OK to have them this way, or would it be better to have all 6 antennas in a straight line when I fabricate my new AP brackets?
Here is a picture of what I am talking about. This would be looking at it from above.
Current New Proposal
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The 3502e has 3 antenna terminals for each band. Is the order of connection to the antenna pigtails significant? The antenna pigtails are not marked ABC (just blue boots for 5GHz.)
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View 3 Replies View Related mounting for the above antenna types. see figures below.
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View 20 Replies View Related1. Does the Aironet 1242G have an internal antenna?
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AIR-ANT5160NP-R?
AIR-ANT2451NV-R?
AIR-ANT2460NP-R?
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