Cisco :: Autonomous 1142 AP Shuts Down Radio Interface
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 26, 2012
Recently installed a 1262N AP in autonomous mode. Have both 2.4 and 5Ghz radios running- Both on separate SSID and VLAN. I think I have 5Ghz channels using 40Mhz bands (bonded) but when I do iperf throughput test I only get about 25Mb throughput. I am sitting within 10 feet of the AP. When I switch to 2.4 I get around 60Mb and that's not bonded. I have tried multiple interfaces on my client side laptop I'm testing with since I thought maybe it was a quirky card or driver but I get same results. Am I doing something wrong here? My laptop shows a 300Mb connection to 5Ghz and 144Mb on 2.4Ghz but I know that's not true thorughput so that's why I was testing this to see what I was really getting and now I'm confused.
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Mar 28, 2012
I have an 1142 running capwap c1140-k9w8-tar.124-23c.JA4 that I am wanting to convert to an Autonomous AP.However, the AP does not seem to have an archive exec command to tftp downoad an new IOS.Is there another procedure that should be used ?
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Mar 26, 2012
I am trying to provision three 1142 AP's so they broadcast multiple SSIDs. I have set the following commands, but I am not able to get more than one SSID to broadcast. As you can see I added the "guest-mode" command to one of the SSIDs which took it without problems. That other SSID does not accept the command.
dot11 ssid Test
vlan 2
authentication open
[Code].....
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Jun 6, 2013
I recently installed a cisco 2901 router. The router is connected to hosts using a SG 200-50 50-Port Gigabit Smart Switch
Problem is the router internal interface keeps shutting down without notice and randomly. At that time I cannot ping the interrface from a LAN PC even though I can ping other hosts on the LAN. The ISP link is okay since I can put a static IP on my computer and access the net.
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Jun 20, 2012
I have a wireless install using several standalone 1142 Access Points. Yes, I know it would be better to use a WLC, but there isn't one and no funds to install one, so I have to work with what's there...
I'd like to configure the 1142's for wireless N connectivity. Yes, I know I need to ensure WPA/PSK is the security used as WPA/AES, the default option in the CLI won't be happy with wireless N.Currently I am running them in B/G only and they work just fine with WPA/AES. No issues are reported by the users, but of course I'd like to get them running N for the increased throughput so I need to kniow the CLI steps required.
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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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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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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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Jul 31, 2012
I have several remotes sites connected to "home" with Cisco 891 routers at each remote site."Home" actually consites of two different data center sites, each with a Cisco 3845 router terminating the IPSec tunnels there. One home site provides VOIP phone service, the 2nd home site provides PC Data.Each 891 router has two IPSec over GRE tunnels configured, one tunnel goes to the VOIP home site's 3845 router, the 2nd tunnel goes to the DATA home site's 3945 router.All of my pre-existing 891 routers are still running IOS 12.4(22)YB5, and are working fine.My newest 891 router, purchased recently for a new remote site, shipped with IOS ver 15.0(1)M4, and when I have both tunnels configured similarly to the others, both tunnels come up and everything seems to work fine, but if I disable the VOIP tunnel with the "shutdown" command on the tunnel interface for VOIP, then the data tunnel will not come up at all, with full verbose crypto logging turned on, I never even see an attempt to bring the data tunnel up, and when I issue a "no shut" on the VOIP tunnel, both tunnels come right up. This behavior is not seen on the original 891 routers still running 12.4. I can shutdown the VOIP tunnel and the DATA tunnel will come up, stay up just fine.I really do not need the VOIP tunnel at this new remote site for the immediate future, but would like to keep the configs in place for the future, and also to keep all my 891s configured identically (different ip numbers of course) for consistancy's sake and easy of management.Do I need to install 12.4 on this 891? I'd rather keep the IOS on it that it shipped with.
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Feb 5, 2013
This has been going on for a few months now, but I'm just finally getting around to finding out the issue. So basically, this is what's happening; I'm randomly browsing some pages just fine, then I try to go to another page, and I can't load the page. I try to open a new page after that, it won't load. My internet still says it's at full bar internet access. I can somehow still use pages that are open (Such as a chat program, I can still chat in there, but I can't load any pages) for as long as a few hours after the internet supposedly shuts off. Everybody else in my household doesn't, and hasn't ever had this problem before, so I seriously doubt it's the modem. I've tried moving my laptop into those places to see if it's a problem with reception in the area I'm at, though it doesn't. The only thing that will turn the internet back on again, is a computer restart. After a fresh restart, the internet will last anywhere between 4 hours to a couple of days before doing that.?
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Jun 5, 2011
My pc has been running perfectly fine. My only problem is that it suddenly shuts down whenever my internet disconnects at random. i am totally clueless of what's happening with my machine. it worries me a lot for I think improper pc shut downs may cause damage to the hard drive. I use internet thru DSL service. My pc specs are as follows; AMD 64x2 dual core processor 5200+, 2.71 Ghz,120G seagate sata hd, 1Gig RAM,Nvidia Geforce 6150SE.
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Feb 23, 2011
I have a Cisco C3560G-24TS Switch that has twice now just shut down and the only way to get it back to life is to pull the power and let it boot back up again.
Are there any logs I can check for poss clues as to why this is happening or any other things I can try?
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Apr 25, 2011
for no reason my dell comp.shuts itself down with no warning..goes into power save maybe
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May 30, 2012
I'm currently using a MI424WR Rev F router, with a Motorola SURFboard SB5120 cable modem.If I connect directly with the cable modem to the PC, the internet works perfectly fine. But the issue is I have 3 connections, (2 wireless, 1 wired)Okay when I connect my modem to the router (Ethernet into WAN, blah blah) the modem suddenly loses signals. I've noticed this on the modem's status page. (192.168.100.1)The downstream power level would constantly change, and the modem will lose the Known CPE MAC Address. (When connected to the router)In order to fix the problem, I would need to connect directly to the modem and reset to the factory settings and wait out the 30 minutes.
here's my current status:
2 Coax Splitters
Comcast Cable Provider
A Verizon Router (Capable until this point)
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Feb 8, 2012
My problem lies with my router shutting off when my computer goes to sleep or is shut off in any way. I even tried unplugging it, which is not good at all for it. I use my router for several other wireless devices so this is bad. I use a Motorola modem that fits to a D-Link router. The modem appears to stay on when I'm having trouble. the route5r is a "DIR-655 Xtreme N Gigabit Router"
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Aug 27, 2011
Every time I boot my computer, the internet is working fine and shows no signs of anything wrong, but after loading so much (several minutes of a YouTube video, or just idle data coming in from other sites I'm on) it just comes to a halt and nothing can get through. At first, I thought that this was my school's internet being bad since I had just moved back into the dorms today. The problem with that is that I seem to be the only one having a problem like this. After so much time, depending on how much bandwidth I'm using (I think, this is just based on observation), it just drops the internet completely and won't start again until I reboot.What I've found so far is that I can't seem to get an IP address after the service stops, but I don't know how I could connect that to anything.
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Aug 27, 2011
I am ignorant with networking. The most I know is /ipconfig.I am stationed in Japan and have a fiber modem going into my DIR-655. For about two years everything has been fine...no problems ever.About a month ago, I started getting timeouts and page not found errors when surfing the web, but my online games (EVE, WoW, etc) and our Xbox360/PS3 work fine. The only thing I could think was to unplug and plug back the DIR-655. Sometimes that works for a day or a week, but ultimately it always comes back. Is there a setting on the router I can change to avoid this, or a software command I can issue from the computer to clear something?
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Jun 4, 2012
Every few hours, the WAN just shuts off. If you were connected to it when this happens, you cannot reconnect until you have reset the router; you can't even find the SSID. If you were not connected when this happens, you can connect just fine. This happens with all devices in the house, my laptop, my DAP-1522, my cell phone, and my brother's Mac (SMH, sometimes I think we aren't related...). I am running version 2.00NA on B1 firmware.
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Dec 28, 2012
i have a dell inspiron n5050. i bought it 2 months ago. when i bought it i could connect to any wireless i wanted. 2 or 3 weeks later i restored the system to previus date because i had installed a couple of games which when i unistalled, i noticed that my computer was toooo slow.. after that when i try to connect to ONE specific network my laptop crashes the router and whoever is connected to it gets off. i don't have this problem with any other wireless. i have contacted the internet service and we fegured out it isn't a router problem.. by the way (and i don;t know if this is of any significance) this ONE specific network is the first network i entered when i restored my system. i run win7. for any more details ask.
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Feb 21, 2013
I have just configured a new RV016. Everything works well for about an hour then it shuts off. Cycling the power will cause the system led to light breifly, but then it shuts off again. After 15 minutes unplugged, I am able to restart it and it will run fine for about an hour.
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Jan 12, 2013
I put my laptop in safe mode w/ networking and started to run Microsoft safety scanner, then when the scan is almost finished the whole thing shuts down.
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Nov 10, 2011
I have the Dlink DIR 615 router, windows 7, and this morning, it suddenly started to shutdown and restart, over and over. I unplugged all ethernet connections, shut down, etc. and slowly added the PC, then the phone, until when I plugged in the Western Digital 2TB My Book live, it would begin the same restart process. I can now repeat the issue by unplugging, and replugging the drive. I have had the network drive for about 3 months, and this started today.
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Sep 3, 2008
I have a 892 router configured on fa0 with vlan1 and a catalist 3560. On catalist all ports are in access mode and vlan1. When I'm connecting port fa0 from router to catalist, the catalist port is shuted down What should I do on router on catalist to make the connection working ?
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Oct 21, 2012
How I can shutdown a module when I am running vsl.I can use the following command #hw-module module 2 shutdown.As I have modules in both switch 1 and switch 2 how can I ensure I only shut down module 2 in switch 1.
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Mar 9, 2012
My wifi network adapter (Atheros AR5007EG wirelss network adapter) works just fine for about 50 minutes and then it shuts down and disappears as if it's not installed on the computer. To make it work, I have to shut down the computer and turn it on again.
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Mar 1, 2013
I have DSL service through Verizon, using the wireless modem Westell 7500. At least 1-2 days a week the power light goes out on the modem. I typically reboot the modem and it takes 1-2 minutes to restart but sometimes I have to reboot a second time in order to get the power light to go on.
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Jun 20, 2011
It is a 2wire with 4 Ethernet ports and wireless capability. I have a pc and xbox connected via Ethernet and a laptop and smartphone connected wirelessly. The problem is that my router randomly completely shuts off/resets itself causing me to lose connection. This happens both when things are in use and not in use.
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Nov 4, 2011
Firmware version is V1.0.01 b001 my WRT54GH has recently started to shuts off periodicaly without any reason. Will stay off for couple of minutes, then will turn ON again. In this period, On/OFF button has no effect.
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Mar 23, 2013
WAN link plugs into a 2821 Router with an switch module in it. About 8 clients are plugged in to the 2821.2821 connects to super cheap netgear switch (I'm 99% sure it's stripping dot1q headers) via one of the ports in the switch module. About 4 people are connected to the netgear.Now, I sent a catalyst 3560g to the branch because they wanted to extend into a new building. Someone decided to run a single cable from the netgear to the 3560. On the 3560, I have about 5 clients and a couple of APs.
So it goes 2821 -> Netgear -> 3560. All of these are single connections.When the 3560 gets plugged in, all clients on the netgear lose their connection, and nothing on the 3560 works. It happens almost instantly. I can't figure out why connections are dropping. The APs have about 4 VLANs onn them, and the PCs are on their own VLAN (the native VLAN).
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Aug 23, 2011
I recently upgraded my WRT610N to Firmware Version: 2.00.01 and now the unit powers down on its own after a few hours. Are there any known issues with this firmware?Is there any way to roll back to the previous version of the firmware?
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