topic The TAC esc image v8.0.110.11 in Wireless

WLC 2504 stopped working after Software upgrade

Jorge Hernandez — Mon, 05 Jul 2021 09:22:38 GMT

Hey guys,

I updated the software (to version 8.0.110) of our WLC 2500 series (2504) today, it worked fine for about 1 hour then it crashed, it's blinking amber and green the SYS light and I can't ping it.

What can I do?

We need it to have version 8 so it can take new SSL certificates (new algorithm) so I cannot bring it back to 7.6

Thanks.

It's dead and you may need to

Leo Laohoo — Thu, 29 Jan 2015 21:41:03 GMT

It's dead and you may need to RMA the controller.

Let me tell you a special deal or a promo just released. Google the SKU of:

AIR-AP3702I-UX-WLC
AIR-AP2702I-UX-WLC
AIR-AP1702I-UX-WLC

These promo code is a bundle which contains two (2) controller-based access points (either 1702I, 2702I or 3702I) and the WLC-CT2504-25 is FREE.

Notice the regulatory domain of the APs is the new "-UX"?

The app for the iPhone can be found HERE.

For Android, it’s found HERE.

Cisco Aironet Universal AP Priming and Cisco AirProvision User Guide

Nope, I restarted it and re

Jorge Hernandez — Thu, 29 Jan 2015 21:43:26 GMT

Nope, I restarted it and re-applied the upgrade and it has been working fine, let's see how it does through the night.

Never mind, it crashed again,

Jorge Hernandez — Fri, 30 Jan 2015 18:30:11 GMT

Never mind, it crashed again, the weird part is that it doesn't crash when the WLANs are disabled, once I enable one of them, it crashes.

In other words, after upgrade and WLANs are disabled, it works just fine, might this be some configuration problem that 8.0.110.0 doesn't recognize?

Thanks.

If the WLC crashes, then you

Leo Laohoo — Sat, 31 Jan 2015 01:33:22 GMT

If the WLC crashes, then you can pull the crashinfo file. Can you post it here?

The problem it was having was

Jorge Hernandez — Fri, 13 Feb 2015 19:20:56 GMT

The problem it was having was that the Logs were getting too big and it ran out of memory, fixed the cause of the errors in the log and it's working like a charm.

Hello Jorge,It seems that I

marek.golha — Wed, 04 Mar 2015 19:53:13 GMT

Hello Jorge,

It seems that I have the same issue.... Generated your WLC a crashinfo? Because in my case the situation is that the WLC is working fine and then after a random time it reboots 😞 I replaced the hardware, power supply and cable but nothing helps. I wanted also try to downgrade the WLC code to 7.6 (or 7.4) but I need to stay in 8.0 release because we have 1700 APs.

What do you think could it be the same as in your case? (according what I described...)

Tommorow morning I will try to take a look on the logs.

Thank you.

Marek

My issue was the NTP Server

Jorge Hernandez — Wed, 04 Mar 2015 19:58:28 GMT

My issue was the NTP Server setting, it had no server and the log was filling with this issue, I setup one of the global ones and it stopped logging that, fixing the problem.

Thanks for your reply. Ok

marek.golha — Wed, 04 Mar 2015 20:06:46 GMT

Thanks for your reply. Ok then if I understand it correctly than the reason because your WLC unexpectedly rebooted was that the logs we killing your WLC?

If this is the case, then it could be the same problem in my case. Becasue during weekend and end of friday everything worked ok - then in monday when many clients connected (and also can be that more logs were generated) the WLC started to randomly reboot. Sometimes after one hour and another time after five hours....

I wiil give it a try - have nothing to loose.

Marek

Hi. I have some problem. I

IvanZluva — Wed, 04 Mar 2015 23:36:41 GMT

Hi.

I have some problem. I have 4 WLAN's. I use WPA key's for 3 WLAN's. Next one Wlan I have with web authentication. When I disable this Wlan WLC work corectly. I must use FW 8.0.110 (now is 8.0.115 I have not time to experiment with this FW). I have mix of AP's: 1142, 1602 and 1702. I must use FW 8.0.xxx for detection AP 1702.

Ivan

Explain what you mean by work

Scott Fella — Thu, 05 Mar 2015 03:53:03 GMT

Explain what you mean by work correctly? I have a 2504 running 8.0.110.0 with no issues.

-Scott

Interesting... We have 3

marek.golha — Thu, 05 Mar 2015 06:38:50 GMT

Interesting... We have 3 WLANs - one Radius authenticated, one WPA2-PSK and the last one is Web-Auth. The hardware (except 1142 - we have only 1600 and 1700) and software is the same. Ok the I will take a look first on the logs and then I will play with the Web-Auth WLAN.

Thanks.

Marek

Disabling web

marek.golha — Tue, 10 Mar 2015 22:16:54 GMT

Disabling web authententication on the guest wlan solved it also for me - it is strange but after disabling the web authentication it is stable for about a week. Now I am trying to replicate the problem in lab.

Thank you!

Marek

I had a TAC case opened about

scrosier1 — Fri, 15 May 2015 16:42:53 GMT

I had a TAC case opened about this issue where I had two controllers both running 8.0.110 where one ran perfectly fine no issues but the other would randomly reboot due to crashes.

The TAC engineer told me to downgrade back to 7.6 because 8.0 is still unstable despite not being a demo release.

I downgraded both to 7.6 and now neither controller reboots due to crashes.

I finally got mine not

Jorge Hernandez — Fri, 15 May 2015 16:48:10 GMT

I finally got mine not crashing by configuring NTP, I am now wondering if version 8.0.115 fixed all those issues?

I have not tested it, but I sincerely hope so.

The TAC esc image v8.0.110.11

Scott Fella — Fri, 15 May 2015 17:05:15 GMT

The TAC esc image v8.0.110.11 has a few more fixes than v8.0.115.0. On v8.0.115.0, the controller was still crashing when WebAuth was enabled along with ACL's.

-Scott

Good to know, but I just went

Jorge Hernandez — Fri, 15 May 2015 17:08:02 GMT

Good to know, but I just went to downloads and found that there is now a version 8.1.102 for it too.

Latest isn't the greatest:)

Scott Fella — Fri, 15 May 2015 17:15:47 GMT

Latest isn't the greatest:)

-Scott

I know, look at MS Windows as

Jorge Hernandez — Fri, 15 May 2015 17:18:13 GMT

I know, look at MS Windows as an example.

Hi Scott,

moin.meer — Fri, 11 Mar 2016 18:31:51 GMT

Hi Scott,

I started a new thread asking the following questions, but no one responded. I though to share here if you could help?

I'm working on a wireless solution where we have 2504 WLC, 1700i and 2700i APs.

Software Version 8.1.102.0

I have following 2 questions if someone could assist me on these?

Question 1:

I could see 4 QoS profiles (Platinum, Gold, Silver, Bronze), but the problem is I am unable to edit any of them. (Even after disabling the radios)

Neither can I create a new custom profile where I could limit the data rate for each QoS Profile.

Question 2:

On local policies, I have created a policy for Mobile users, where I'm restricting them to use 1Mbps data rate. The policy works fine until a user came and told me they have a server hosted in local network which is not accessible from Mobile device. (192.168.64.83:10080)

I changed few things and observed that when I'm restricting the Mobile users to 1Mbps (or any higher data rate), they are unable to access the server. Whereas, when I keep these data rate fields blank, they could access the server. This solves the problem, but they get the full bandwidth which I would like to restrict.

P.S. The server is hosted on the same subnet as the mobile users.

Thanks.