Cisco Wireless :: 1141n AP Radio Interface Resets After 2 Hours?
Jul 10, 2011
I have a couple of 114n APs in my network and the CAPWAP uptime and AP uptime are almost the same. But there is one which always resets after some time. I have moved across to another switch port but the issue persists. I have other 1141 and 1131's on this switch and no problems. The keep alives between the AP and Controller is regular. I can't get more info from the traps as the reason code is always;
" AP associated to Controller is UP. Reason: Radio interface reset due to Init"
"AP associated to Controller is down. Reason: Radio interface reset"
"AP associated to Controller is UP. Reason: Radio interface reset"
####Only 2ice was the reason code "Operator changed 11g mode". I have seen some posts about similar problems but there hasn't been any concrete solution provided.
note that RLDP is disabled, Primary discovery timer is 120sec, and the version is 7.098
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Feb 24, 2013
Running vwlc 7.3.101 and encountered a smaller issue.When you enable / disable a SSID, all AP's reset their radio interfaces... causing everyone to drop their connection.
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Jan 6, 2013
I am getting many radio resets on 1252AG access point on Wism1. The warning in WLC shows as : AP's Interface:0(802.11b) Operation State Up: Base Radio MAC:c4:71:fe:5c:xxxx Cause=Reset on transmit completion. Status:NA cause = reset on transmit completion.I have fixed RRM to freeze and still same result.
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Jun 13, 2013
AP radio resets when the AP Multicast Mode IP is set 0.0.0.0 under the General Tab?
I rebuilt my lab controller and moved the management interface to a new subnet. Somehow, the AP Multicase Mode IP under the General Settings was removed. Afterwards, my AP's radios would reset every 2-3 minutes. After comparing my lab config to production, I noticed the IP was missing from that field. Setting the Multicast IP to 239.232.78.1 fixed the issue.
WLC 2504
AP 3502i
Code Version: 7.3.101.0
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Apr 5, 2011
We have Cisco 2811 router with Hwic-3g-HSPA card. When I configure the system everything was fine. Around two weeks 3g interface works, got IP address ,everyting was fine.Yesterday I check the sytem and I saw that cellular interface become reseting itself, without stoping.We have 2 g.shdls and one 3G connection on the same router. dialer 0 ansd dialer 1 for g.shdls, and dilaer 3 for 3G connection. [code]
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Sep 2, 2012
I am facing a problem with my access point AIR-LAP1141N-E-K9, which was converted from LWAPP to autonomous, radio Interface Dot11Radio0 is going to reset down state very frequently.AP is connected to WS-C3560G-24PS (POE) switch. [code]
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May 31, 2013
I am wondering if anyone has seen this before. We have about 50 AIR-LAP1242AG-E-K9 access points connected to a WLC5508 running 7.4.100.0. These were all being used as autonomous APs previously and were converted when the controller was installed. About 12 of these have a lovely feature where their radio interface goes down at random. The radio is still in enable mode but the opertational status is DOWN. It seems to happen particularly when there has been a power outage and the AP rejoins the controller. All of the other 1242s are fine and never sees this problem. The APs are all on power injectors.
Once the radio is down, the only way I can get the to come back online is by doing the following:
1. Set the radio admin status to "disable" and apply
2. Turn off CDP
3. Reboot the AP Wait until the AP is back online and registered on the controller
4. Enable the radio admin status and CDP.
If I do not remove the CDP setting I cannot bring the radio back to "UP". I know we had previous issues with autonomous 1242 APs that did not like CDP being enabled. Have I perhaps got a bunch that are like that? Despite these having operated as autonomous APs they are AIR-LAP1242 from the factory.
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Apr 23, 2013
Region : UnitedStates
Model : TL-WR940N
Hardware Version : V1
Firmware Version : TL-WR940N_v1_120201
ISP :
Just bought a TL-WR940N and it was always loosing connection and freezing / locking up. I upgraded to the latest FW from the link below URL but it still freezes and loses connection to devices after 8-12 hours, keeps hanging up and pages sometime don't load.
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Mar 20, 2005
I am troubleshooting interface resets on a 3660 connected to a 3550 over Fast Ethernet. I have hard coded both sides for full duplex and 100Mbit. The 3660 is incrementing interface resetes about 4-6 times a day and the 3550 is clean. I have noticed this in other similar configurations as well.
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Dec 19, 2009
We are facing an issue with a customer where a Cisco 4400 Series controller is blocking the 802.11a/n Radio Interface of a 1250 AP. The radio shows as down on the controller GUI. The error message on the GUI is that the 'Regulatory Domain' is not supported. This can be seen from the attached screenshot. Also relevant parts of the WLC configs are attached. WLC: Cisco 4402 WirelessWLC Country: SADevice: Cisco Lightweight Access Point 1250 (LAP) is controlled through the 4402 Cisco Wireless LAN Controller (WLC)The operating system version of the LAP: c1250-k9w8-mx.124-18a.JA version of the WLC: Software Version 5.2.178.0 The problem is that the controller shows that the 802.11a/n Radio Interface in Radio Slot # 1 is always down , the customer tried to manually 'no shut' the AP interface from the console and it worked , but obviously this solution would not work as the configuration cannot be saved (LW AP).
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Feb 20, 2012
Here is an example of what each switch logs when a server drops offline. Sample logs taken between 5:32am and 5:35am on Feb 20. This particular one was having problems all weekend. Switch #1 encountered over 2000 interface resets. The corresponding VPC port on Switch #2 only had 13 resets.
NEXUS SWITCH #1
2012 Feb 20 05:32:09 q91-sw01-5010 %ETH_PORT_CHANNEL-5-FOP_CHANGED: port-channel10: first operational port changed
from Ethernet1/10 to none
2012 Feb 20 05:32:09 q91-sw01-5010 %ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel10: Ethernet1/10 is down
2012 Feb 20 05:32:09 q91-sw01-5010 %ETH_PORT_CHANNEL-5-PORT_DOWN: port-channel10: port-channel10 is down
2012 Feb 20 05:32:09 q91-sw01-5010 %ETHPORT-5-IF_DOWN_PORT_CHANNEL_MEMBERS_DOWN: Interface port-channel10 is down (
No operational members)
[code].....
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Jul 4, 2011
I converted a Cisco Aironet 1142 Lightweight access point to Autonomous and at first it works properly but every some days the dot11Radio0 interface is down (similar case than the cisco support community case "Autonomous 1142 AP shuts down 2.4 radio interface" The 802.11g radio shows as “Dot11Radio0 is reset, line protocol is down” while the 802.11a radio appears to be up and running, I have to reload the device so that the Dot11Radio0 is up again.
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Jul 4, 2011
I converted a Cisco Aironet 1142 Lightweight access point to Autonomous and at first it works properly but every some days the dot11Radio0 interface is down (similar case than the cisco support community case "Autonomous 1142 AP shuts down 2.4 radio interface"
The 802.11g radio shows as “Dot11Radio0 is reset, line protocol is down” while the 802.11a radio appears to be up and running,
I have to reload the device so that the Dot11Radio0 is up again,
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Mar 25, 2012
we're facing a weird issue lately with a Cisco 2821.An interface stops responding after a few hours.The only way to bring it 'up' again is:
Hardcode: duplex or speed
or
shutdown -> no shutdown
there are no errors in the "sho interface" and no errors or entries in the log.
FastEthernet0/0/0 is up, line protocol is up
Hardware is Fast Ethernet, -
Description: Infopoint
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
[code]....
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Aug 22, 2012
I'm probably overlooking something very simple but is there a command to show the uptime of a router interface in days,hours,minutes?
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Apr 30, 2012
My co-workers and I have been trying to diagnose a problem that recently started occuring on our AP1141N and AP1142N units. I have found a handful of posts that talk about this issue, but none with a solid solution. It seems that as often as every 24 hours, the radio interfaces change state to down, for seemingly no reason. Once this occurs, the only way to bring the radio interface back up is to reboot the AP. As far as we know, this wasn't happening until recently, when we enabled the "N" speeds. Things were working correctly for a year or two while the APs were configured just for b/g operation. The following is the only seeminlg-relevant thing that shows up in the logs:
*Nov 12 00:53:02.508: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
*Nov 12 00:53:03.507: %LINEPROTO-5-UPDOWN: Line protocol on Interface Dot11Radio0, changed state to down
Some additional info:
- All of the APs are connected to PoE Cisco c2960 switches
- We have tried both hard-coded radio channels, and non hard-coded
- We have tried various ways setting power inline negotiation
- We are not using a WLC
- System Software Version: 12.4(21a)JA1
- Bootloader Version: 12.4(18a)JA3
I have attached output of sh run, sh log and sh controlers dot11Radio0. (Another oddiy - the line %DOT11-2-RESET_RADIO hasn't shown up in the other logs I have viewed after this issue occurs...)
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Mar 6, 2012
LAP join process: 70:ca:9b:25:5b:9d -> AP MAC10.10.1.30 -> DNS
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Sep 28, 2010
I currently have DCHP server set up on my new 1141N. Everything works great, but I wanted to know if it were possible to make the DHCP server only hand out ip addresses on the wireless connection? Currently the AP is giving out ip addresses from the pool to wired and wireless pc's.
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Feb 24, 2013
i have a wlc 5508 and 40 access point 1141n there are 1500 users connected with this controller 5508. but when i ping at my gateway ,there is a disturbance in the temp response. [code]
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Nov 13, 2012
I would like the know if there is a way to know which wireless clients are connected under N mode. There is any kind of command where can show me that ?. I don´t have a wireless controller. My AP is AP-1141N-A-K9
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Jun 26, 2012
I would like to ask some thing for configuration on AP (AIR-LAP1141N-A-K9) but now i chnage IOS to stand along mean and i want to configure QOS on this AP? Any command how to configure QOS?
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Sep 13, 2011
In one customer other company has put a lot of APs to get coberture in one office enviroment. Each 10 meter (more or less) they've put an AP.
The AP is the model 1141N.Do you think may be any problem?We have to go to certify the installation despite not having made the study of wireless network coverage.
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Apr 28, 2011
I have a 2Wire 2701HG-B modem/router provided to me by AT&T for my DSL service. I have one issue and a seperate question sort of related to it.The issue I'm having is that whenever a laptop gets online with wireless internet the modem will randomly reset connection.Some times it will do it every 30 seconds, some times it will be once an hour or even more.It works perfectly fine on any laptop when plugged in with Ethernet cable but only with wireless it will glitch out. It does this whether it is the only computer online on the network, and also when there are a few others online so it's just the simple fact of the wireless resetting it somehow.I've done lots of google searching and some people say changing the line pair settings fixed it for them. Some say changing from b/g mode to just g mode fixed it. I've tried every thing that I've come across and nothing has worked so far. Apparently this is a very common problem for this model I just can not find the right solution that has worked for other people, to work for me as well.
if I were to want to make this modem/router just a modem and hook up my own router for N wireless would this be possible? I know I've read ways about putting combos in DMZ mode or something but I don't really know what I'm looking for because everything is worded different in this modem's settings.Can any one provide any insight as to if this is possible, and if it's even worth it to do so? Mainly worried about the first thing I mentioned though, this is just a side note.
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Oct 12, 2012
I have two 1252s on ports 1 and 2 off a Catalyst 3550. No other device on the switch except the fiber uplink.
Initially 1252 #2 (on port 2) resets for no reason at no specific time. We did not have a problem with 1252 #1.
The show ver on #2 does indicate that equipment resets due to power. I figured the 3550 is having problems powering two 1252s so had this AP on PWRINJ4 (validated its not drawing power via show power inline).
Today, #2 does not reset. However, now #1, which is the only device using inline power is now resetting. Same thing, reset due to power. Same weird behavior, at no particular time.
I've also have "no cdp enable" out off each port as i understand CDP sometime cause device to not boot up (15w versus 15.4w issue).
Both AP btw are Standalone IOS.
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Apr 27, 2012
WCG200G ver.2 resets everytime i use wireless
Firmware Version: 2.0.3.6.12-0608
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Dec 1, 2011
My router automatically sets the wireless network settings to the original default. Sometimes after 1 hour sometimes after a week. It resets to automatic instead of the manulal settings I use for configuration. Changes the SSID to Linksys and disables wireless security.
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Jan 25, 2013
I have 3 WAP321, all set to uk time zone, all the settings restore apart from the time, on reboot that defaults back to 1999 despite NTP server listed, interestingly have to manually reset time to present before NTP will update it.
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Jan 27, 2013
I have to go back into settings and deactivate the IPV6 tunnel daily to keep access to youtube. My provider does not support IPV6. Saving changes has no effectIs there a way to ensure that the IPV6 tunnel remains deactivated?I have firmware version 1.0.30 build 126544 2011-12-24. Firmware update function says I got the latest version.
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Feb 27, 2010
I just got a linksys after years of using a single netgear, this is the second we've gotten in the last month... But each time we have the same problem, the thing resets constantly while doing streaming from netflix, over wifi, and resets the entire router. I've updated to the latest firmware but i'm ready to just throw this out and put our old netgear back up.
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Mar 18, 2012
I've had my WRT54GL for a couple of months now, and it keeps wiping my saved settings and reverting back to the default. It works fine with all devices for a week or so after the initial set-up, then will only work on the system that is wired.
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Sep 26, 2012
I have two WAP4410N wireless access points powered using Power-Over-Ethernet. Both are running the latest available firmware version (2.0.5.3)They are both connected to the same LAN and broadcasting the same SSID with a WPA2 password.
One is using channel 1, while the other is using channel 11.There is coverage overlap where the signal from both access points hover around -75db to -85db while standing in the same physical location.DHCP is disabled, and is being provided by another network device.
Every day or so, devices can connect and authenticate to the access points, but are not granted an IP address (and subsequently are unable access to the LAN or Internet). For devices that had already retrieved an IP address prior to the issue exhibiting itself, the devices simply stop communicating with LAN and Internet.
However, I can still access each access point's web admin interface from the LAN.
If I reboot both devices, the problem vanishes and devices are once again able to get an IP address and connect to the LAN and Internet.Are these symptoms of signal interference between the two WAPs or is this a completely different issue?
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Jan 8, 2012
For some reason my wireless drops to local only every 1-2 hours roughly, I can fix it by disconnect and reconnect but this is really annoying, especially if I am playing any games.
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Jan 8, 2012
For some reason my wireless drops to local only every 1-2 hours roughly, I can fix it by disconnect and reconnect?
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