topic Re: 802.11a/n radios are down in Wireless

802.11a/n radios are down

Mon, 05 Jul 2021 07:15:00 GMT

Three new APs, 3602i, were connected to a WLC 5508,7.2.111.3. All three APs show 802.11a/n radios are down. I couldn't login to the AP with same credential for APs in other offices.

Any one has the same issue before.

Thanks,

802.11a/n radios are down

Scott Fella — Fri, 21 Feb 2014 00:28:56 GMT

Eric,

Make sure you enable the radios from the AP on the GUI of the WLC... I'm assuming this is lightweight.

Thanks,

Scott

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802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 00:30:38 GMT

Eric,

Can you post the output to the following commands:

1. WLC: sh sysinfo; and

2. AP: sh version

Maybe the AP has the incorrect Regulatory Domain.

802.11a/n radios are down

Scott Fella — Fri, 21 Feb 2014 00:34:31 GMT

If the AP's are joined, then you can enable the radios using: config 802.11a enable

If that doesn't work, then like Leo mentioned, it's a regulatory domain issue, or possibly the AP Group the AP is in.

Thanks,

Scott

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802.11a/n radios are down

Fri, 21 Feb 2014 00:49:52 GMT

Manufacturer's Name.............................. Cisco Systems Inc.

Product Name..................................... Cisco Controller

Product Version.................................. 7.2.111.3

Bootloader Version............................... 1.0.16

Field Recovery Image Version..................... 7.0.112.21

Firmware Version................................. FPGA 1.7, Env 1.8, USB console 2.2

Build Type....................................... DATA + WPS

System Name...................................... ausyd7mawlc1

System Location.................................. Sydney

System Contact................................... ENA

System ObjectID.................................. 1.3.6.1.4.1.9.1.1069

IP Address....................................... 10.198.2.98

Last Reset....................................... Software reset

System Up Time................................... 9 days 6 hrs 49 mins 6 secs

System Timezone Location.........................

Configured Country............................... AU - Australia

Operating Environment............................ Commercial (0 to 40 C)

Internal Temp Alarm Limits....................... 0 to 65 C

Internal Temperature............................. +39 C

External Temperature............................. +23 C

Fan Status....................................... OK

State of 802.11b Network......................... Enabled

State of 802.11a Network......................... Enabled

Number of WLANs.................................. 1

Number of Active Clients......................... 2

Burned-in MAC Address............................ 00:07:7D:C0:48:60

Power Supply 1................................... Present, OK

Power Supply 2................................... Present, OK

Maximum number of APs supported.................. 37

Cisco IOS Software, C3600 Software (AP3G2-K9W8-M), Version 12.4(25e)JA2, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Compiled Fri 14-Sep-12 18:49 by prod_rel_team

ROM: Bootstrap program is C3600 boot loader

BOOTLDR: C3600 Boot Loader (AP3G2-BOOT-M) LoaderVersion 12.4(23)JY, RELEASE SOFTWARE (fc1)

APa80c.0dbe.98f8 uptime is 14 minutes

System returned to ROM by power-on

System image file is "flash:/ap3g2-k9w8-mx.124-25e.JA2/ap3g2-k9w8-mx.124-25e.JA2"

This product contains cryptographic features and is subject to United

States and local country laws governing import, export, transfer and

use. Delivery of Cisco cryptographic products does not imply

third-party authority to import, export, distribute or use encryption.

Importers, exporters, distributors and users are responsible for

compliance with U.S. and local country laws. By using this product you

agree to comply with applicable laws and regulations. If you are unable

to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:

http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to

export@cisco.com.

cisco AIR-CAP3602I-Z-K9 (PowerPC) processor (revision A0) with 167926K/81920K bytes of memory.

Processor board ID FGL1804W795

PowerPC CPU at 800Mhz, revision number 0x2151

Last reset from power-on

LWAPP image version 7.2.111.3

1 Gigabit Ethernet interface

2 802.11 Radio(s)

32K bytes of flash-simulated non-volatile configuration memory.

Base ethernet MAC Address: A8:0C:0D:BE:98:F8

Part Number : 73-14521-02

PCA Assembly Number : 800-37501-02

PCA Revision Number : A0

PCB Serial Number : FOC1751691Z

Top Assembly Part Number : 800-35852-02

Top Assembly Serial Number : FGL1804W795

Top Revision Number : C0

Product/Model Number : AIR-CAP3602I-Z-K9

802.11a/n radios are down

Fri, 21 Feb 2014 00:52:47 GMT

802.11b/g/n are working fine.

Re: 802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 01:11:45 GMT

Product Version.................................. 7.2.111.3

Eric,

That's one bad code you're running.

Last Reset....................................... Software reset

See what I mean? If you run a good code, you won't see this. Upgrade to the latest 7.4.X code. And don't forget to upgrade the FUS too.

Can you check that your 802.11a is enabled? Go to Wireless > Accesspoint > Radio > 802.11a/n > choose the AP and make sure the radios are enabled.

802.11a/n radios are down

Fri, 21 Feb 2014 01:23:00 GMT

I have 30 other WLC 5508 are running the same code without any issue.

Radios are enable but status show down.

Re: 802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 01:33:38 GMT

Radios are enable but status show down.

Ok, console into one of them and reload them. Post the entire bootup sequence. Do not leave out anything (other than IP address and SSID).

I have 30 other WLC 5508 are running the same code without any issue.

Dude, it's your call. All I'm saying is that your code caused your WLC to crash and THAT IS NOT GOOD. I don't really care how many controllers you have that's running the same code. A crash is a crash. And it's bad. Wait `til you have 500 APs running and you're controller crashes. Not nice.

 without any issue.

Hold on, HOW would you know your 30-plus controllers NEVER crashed before?

802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 02:14:32 GMT

Eric,

Test this: Upgrade to 7.4.121.0 and see if the radios work. I'm suspecting it's still a Regulatory Domain issue.

Re: 802.11a/n radios are down

Fri, 21 Feb 2014 04:06:55 GMT

Australia support both -Z and -N for 3602I. -N is for older AP.

Sent from Cisco Technical Support iPad App

Re: 802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 04:31:12 GMT

Australia support both -Z and -N for 3602I. -N is for older AP.

Eric,

When the code you are using was released, the "-Z" Regulatory Domain was not yet formalized. So this means that, yes, -Z and -N are the same but the code you are using does NOT understand a Regulatory Domain of -Z.

I believe "-Z" was formally ratified early 2013. Your code was released in September 2012. The first code to support "-Z" for the 3600 is 7.5.102.0 (release date 31 July 2013).

New -Z Product IDs are introduced for Cisco 3600 Series access points. The -Z PIDs provide enhanced 5-GHz spectrum coverage for

Australia and New Zealand.

If you really don't want to believe what I'm saying, then please feel free to open a Cisco TAC Case.

Re: 802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 04:36:43 GMT

Eric,

Another thing, controller firmware 7.5.102.X has been deferred by Cisco. If you need to upgrade your firmware, you'll have to try 7.6.100.0.

Re: 802.11a/n radios are down

Leo Laohoo — Fri, 21 Feb 2014 04:43:04 GMT

If you are unwilling to upgrade the code of your controller then your only recourse is to return the APs to your vendor and get them to replace them with "-N" regulatory domain.

Otherwise you can run them in autonomous but you'll loose CleanAir functionality.

Re: 802.11a/n radios are down

Rasika Nayanajith — Fri, 21 Feb 2014 06:45:23 GMT

Leo is correct, to support Z regulatory domain you have to go for 7.6.x.x as 7.5.x.x was deferred. If you are deploying these Z regulatory domain AP across multiple controllers then have to upgrade all of them.

It is better manage Z domain AP using one WLC & get first hand experience with this new 7.6.x.x code prior to upgrade all of your controller onto that software version.

As a side note, even in IOS-XE 3.3.1 (for 3850/5760) this regulatory domain is not supported yet. It is expected next software release of IOS-XE address this issue.

HTH

Rasika

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Re: 802.11a/n radios are down

Leo Laohoo — Sun, 23 Feb 2014 01:58:31 GMT

Thanks for taking the time to rate our posts, Eric.

Hi Rasika,Could you please

rajesh brahmbhatt — Mon, 13 Oct 2014 05:39:07 GMT

Hi Rasika,

Could you please advise me any alternate solution except upgrade firmware to 7.6 xxxx

Issue is: 802.11a/n radios are down for -Z domain ( Australia)

AP Model: AIR-CAP3602E-Z-K9

System image : ap3g2-k9w8-mx.152-2.JB3

Thanks & Regards,

Raj

Hi RajNo other solution other

Rasika Nayanajith — Mon, 13 Oct 2014 07:02:27 GMT

Hi Raj

No other solution other than upgrade WLC code to 7.6.130.0 or 8.0.100.0 for the moment. Why are you hesitant to move onto 7.6.x ?

HTH

Rasika

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Hi Rasika,Thanks for your

rajesh brahmbhatt — Mon, 13 Oct 2014 21:52:45 GMT

Hi Rasika,

Thanks for your prompt response and solution.

we will move on 7.6

Kind regards,

Raj

No Problem Raj. Yes move to 7

Rasika Nayanajith — Mon, 13 Oct 2014 22:26:50 GMT

No Problem Raj. Yes move to 7.6.130.0 & let us know.

Pls do not forget to rate our responses if you find them useful.

Rasika