Cisco Wireless :: LAP1142 Looses Configuration After Power Cycle
Aug 27, 2012
We have some 1242 LAPs in a two 5508 controller setup working fine. All LAP are configured to obtain address from DHCP. After first join we usually change some configs like HOSTNAME, AP GROUP, PRIMARY AND SECONDARY WLC. After a software restart or a complete power off/power on the LAPs joins the primary controller and all configuration still there. We now add a 1142 LAP and is does not retain the configuration after a power off/power on cycle, but after a software restart there is no problem. The only way to retain the config is setting the AP with a static IP address.
We use WLC 7.0.116 and we see no errors in the LAP console.
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Jan 24, 2013
I have a Cisco 1841 Router with ADVANCE IPSERVICE IOS .The said router does not safe config, even after saving the config? As soon as the power cycled all the config will be lost? what can be done to correct this ?
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Apr 17, 2011
I have the following equipment
1 x AIR-WLC-2106-K9 (IOS = 6.0.199.4)
4 x AIR-LAP1131G-E-K9 (IOS = 12.4(21a)JHB1)
All configued ok with 2 SSID's associated to 2 VLANS all operates as expected.However every few 2 to 12 hours the WLC crashes, locks up.Unabale to contact via telnet or browser, will not respond to ping.The LAPs remain up but the WLANS go off air etcOnly a physical restart of the WLC will bring it back.
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Nov 14, 2012
I'm having a little issue with some Cisco Aironet1242ag WAP's. I receive a call at least twice a month stating that some of the WAP's are not giving out internet connection. What I always do is go to my patch panel and disconnect those WAP's not working and connect them back again so they can power cycle. These WAP's are connected to a Cisco3750g. Once the WAP's boot up, the users can connect to the WAP and connect to the internet.
I don't know if these WAP's are filling up with some information that causes the access points to not connect to the WAN.
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Jun 11, 2012
I've just bought a pair of WAP121 for testing and validation. I've set it up properly (user/password, IP, management vlan, NTP, SNMP, 802.1x, etc). So far, so good, everything worked as expected. I've downloaded the configuration to my PC, and also saved it to startup-config. I've powered off the unit, went for a coffee, and powered it back. All my settings were lost.
Tried to restore settings from the file downloaded to my PC, but no luck. After reboot, it was factory clean, no trace from settings in the backup file. I've set it up again by hand, power cycled it, and the **** thing reloaded to default settings.
Faulty unit, I thought, so I opened the other one I have, and repeated the whole thing, but same results. Test were made using the power adapter supplied but also tried with a catalyst 2960 with PoE.
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Jan 19, 2013
I have an E1200 and if a device - such as my tablet or laptop - is left unused for a period of time - say for 4 or 5 hours - they won't reconnect to the router unless I do a power cycle/reset on the router.
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Aug 15, 2012
We have a Model WRT54GLWireless-G router. At least once a day it loses it's internet connection. All computers that are wired to the switch that is connected to it lose their internet as well as any wireless devices. I have to manually power-cycle the router to get internet back.
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Jun 13, 2012
recently bought a new Linksys EA3500 that is connected to my SB5120 cable modem. For two weeks it's been running smoothly but when my cable modem is in need of a power cycle.I power cycle both the router and modem but my connection is lost. it's after countless hours of messing with the two I'll get the connection back but I'm afraid it'll lose connection again, that and I fear I may have enabled bad options.
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Nov 27, 2011
I have access controls setup on my DIR-825 which work fine until there is a power outage and my router comes back up.I am using Automatic Time Configuration and have the NTP server set to ntp1 [URL]When the router comes back up I checked to make sure the NTP server option is still enabled, and it is, however the current time is totally wrong.To fix this I had to go to the pull-down, select 'ntp1.dlink.com' and then save the settings. After this the time is correct again.This is as bad as not having the Automatic Time Configuration option at all, since I can't guarantee that the power won't go out. I do not have a UPS hooked up to back up the router, nor do I see why I should need one if the Automatic Time Configuration actually worked.know if there is a way of making the Automatic Time Configuration reliable so the time on my router is automatically corrected when the power comes back up?
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Aug 1, 2011
It seems there's no way to reboot this device from the browser interface. You have to actually go and recycle the power by physically pressing the button.Plus, to setup Port Forwarding you have to reboot the modem.This is a major problem because it means you have to be on the premises to change things like the port forwarding. You setup it up, but have to reboot for it to take effect.
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Apr 15, 2013
Cisco 2800, 12.4(23b) router has two VPN tunnels to other Cisco devices.
Authentication uses certificates from a PKI CA server. Under normal circumstances all works fine, both crypto sessions up.
After a power cycle (having first saved configs) however, the crypto sessions are stuck in DOWN-NEGOTIATING.
The certificate on the router still looks valid.
The only way to get the sessions back up is to renew the certificate, which seems strange as the existing one appeared to be still valid.
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Jan 20, 2011
I've setted the unit in BRIDGE MODE, and attached on it 3 LAN devices, 1 PC Desktop, 1 NAS WDBE and 1 HP printer ... OK all config process was right and all my units talk togheter via AP Netgear DNG2000, and so i can use for instance the printer with my laptop too connected in WI-FI N. Now usually, In the night I turn off all my devices (DAP included), and when in the morning I need only the printer used by my laptop, obviously I turn on ROUTER - BRIDGE - PRINTER - LAPTOP but NOT the DESKTOP ... and so the DAP can't reconnect automatically to the router (both the lights AP/BRIDGE are on and fixed) ... I turn on the PC and the BRIDGE reconnect to the world .... BUT I DON'T WANT turn on everytime the desktop !
1) all gears has fixed IPs
2) DHCP server deactivated on the AP main router (DNG2000)
3) no WPS used, only WPA2-PSK (AES) personal keys on all gears
once that DAP-1522 is connected to the router .... all work fine (also when I turn off the DESKTOP).so the workaround is never turn-off the DAP ? I can't believe ... and who will save the energy planet
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Dec 9, 2012
When our DSL modem drops its connection, even momentarily, the RV220W requires a power cycle before the computers on the LAN can browse again. When I connect to the router, the WAN Information displays the word Connecting, rather than Connected.
We have a DSL modem connected to the router, the router connected to an ethernet switch, and our small business pc's connected to the switch.
Firmware on the router is 1.0.4.17
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Jan 2, 2013
Something strange is happening to my Cisco 1941W. Every time I reboot the router i loose the running configuration of the service-module (Access Point module). The weird thing is that the router's configuration remain the same. I made sure i save the configuration by issuing the wr command on the service module console but still happens. My router's current IOS version is 15.0(1)M1 and my AP's is 12.4(21a)JA1.
I also did another test by making sure the startup-configuration was identical to the running configuration and when I reload the router still happens.
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Oct 1, 2012
I have a decent sized wireless network (120 1142 access points on a 5500 WLC) and any tips for maximizing the coverage. I know the only REAL way to fill true holes is to deploy more hardware, but I'm not sure if my WLC is configured properly to maximize the hardware already deployed. We have having a lot of issues with low signal in areas I feel are close enough to the AP that they should be good if not excellent signals. Our initial walkthrough and testing of the areas indicated that the APs we deployed SHOULD have been more than enough, but in real-world conditions it seems like it's not cutting the mustard.
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Apr 2, 2013
I'd WLC 2100 series and 9 access point LAP1142N .8 LAP1142N can work fine and join a capwap controller is ok but only one LAP1142 is can not . Part of LAP is AIR-LAP1142N-A-K9
Apr 2 10:52:42.284: LWAPP_CLIENT_EVENT: spamResolveStaticGateway - gateway found
*Apr 2 10:52:42.284: LWAPP_CLIENT_EVENT: spamResolveStaticGateway - gateway found
*Apr 2 10:52:42.284: LWAPP_CLIENT_EVENT: Dropping discovery in LWAPP. This AP model is not supported by LWAPP WLC.
*Apr 2 10:52:42.284: status of voice_diag_test from WLC is false
*Apr 2 10:52:52.284: %CAPWAP-3-ERRORLOG: Go join a capwap controller
[code]....
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Apr 4, 2013
I have a customer that has an air-lap1142. He says that it boot to Rommon, and he has to issue the boot command to get it to boot. What is the rommon command to have the ap boot to the image automatically?
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Dec 21, 2011
I'm trying to remember what the command is to find the controller IP on a LAP1142 running 7.0.220.0 code.
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Aug 29, 2011
I have a Cisco 2125 Wireless Lan Controller and I have problem with hold coverage errors and I had tri different solutions with different antenna, the resume is:The antena gain 10*0,5 Dbi(Using a 5 Dbi antenna or 10 Dbi antenna) with Tx power 1 and the antenna gain 20*0,5 Dbi (using 10Dbi antenna) with Tx power 3 the coverage is the same.
If I try the configuration 20*0,5 gain antenna and Tx power 1 the controller show me one error and the controller don't permit this configuration. Why don't permit this configuration?
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Sep 8, 2011
Is it possible for end user to repalce the System Battary with new on, The Server is 4 Years old.
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Jan 2, 2013
My WRT320N loses the configuration every time there is a power outage, the unit is unplugged or the reset button is pressed.
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Sep 2, 2012
A day ago, I was having trouble with my apartment modem, and due to a busy schedule, was only able to do a quick "Unplug and reset" which seemed to work at first, but eventually it stopped working all together. Today, I traveled from my apartment to my "home" home, where the wireless network is set at a "Home" security level. However, my wireless now will not connect at all. It continues to cycle through "Identifying" yet cannot make the connection. It works through a LAN connection however.So far, I've attempted the follow:
- run>ipconfig/all, ipconfig/reset, etc
- winsock reset
- system restore
My computer is a Samsung RC512, running windows 7. Here's the paste from my ipconfig/all:
Windows IP Configuration
Host Name . . . . . . . . . . . . : PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : hsd1.pa.comcast.net.
Wireless LAN adapter Wireless Network Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : DC-A9-71-93-16-52[code]....
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Jun 30, 2012
I have a wireless router which is connect to a DSL modem. Everything was working fine but now the wireless router looses connection often and if i remove the RJ45 check from my wireless router and plug it in after few minutes it works but again it looses connection.
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Apr 27, 2011
Newly purchased DSC-930L connected to DIR-625. Firmware is 1.0 for DCS-930L and A1-1.09 for DIR-625.Camera works fine when connected with cable. Wireless enabled, fixed IP address.Unplug cable and camera still works fine for a while: can access the view page and view picture that does change. F5 refreshes page no problems. After a while (about 5 minutes) web page no longer reachable by browser. Reconnect cable and works fine, unplug and repeat the cycle same thing happens.Also tried: unplug ethernet cable, unplug power cable, wait 10 seconds, connect power cable, try to browse to camera - cannot reach camera.
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Sep 17, 2011
the only change that survived power cycling is the change of default password that it forced me to do.
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May 14, 2013
I have a DIR-655 Rev B1, FW 2.01 (I will probably upgrade the FW tonight to the latest.)
I have at least 20 items that connect wirelessly to this router (2 PCs, 2 Laptops, 2 Tivo Box, 3 Game Consoles, 3 Cell Phones, 2 Tablets, 2 TVs, Printer, AP Gateway, and some other projects) It's been a solid connection to everything for the past couple of years.
I bought a new Dell Inspiron 15r SE laptop (uses the Intel Centrion Wireless-N 2230 Wifi Solution.) After anywhere from 2 - 10 mins of browsing/watching a video/downloading files the access out to the internet simply stops.
At this point I'm still connected wirelessly to the router, and if I go to the router address I still have access and can login and see the router settings. I check and there's plenty of time left on the lease (days.) Still not getting internet access. Eventually my Laptop will disconnect and reconnect (or I do it manually.) I've performed hard resets of the router, I've had my laptop Forget the network and then reconnect, etc. Nothing has resolved it.
I thought it may be my laptop, but I've taken it to Starbuck, Work, Neighbors WiFi, etc and I don't have any problems staying connected on their networks.
I've had Dell on the line, we connected hardwired, and there solution was to force forget and reconnect to the router, which worked for the 10min he was on the line with me, but then failed soon after, and back in the same connectivity hell
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Mar 1, 2013
Region : UnitedStates
Model : TL-WR1043ND
Hardware Version : V1
Firmware Version : 3.13.12 Build 120405 Rel.33996n
ISP : AT&T
Every 5 to 7 days my router loses connection with WAN (ISP modem) but connection over LAN is fine. It seems that 1043ND tries to connect to DSL modem from AT&T by username and password (that does not exists) instead of doing Dynamic IP. I understand that AT&T modem is of type of PPPoE but there is not a password or user id and connection must be dynamic. Page 192.168.0.1/logininfo of modem complains that I was trying to login with incorrect user id password. Every time I have to
1- connect the modem directly to my computer so the modem resets.
2- I have to reset 1043ND to factory default, reboot, and connect cables back how they were, Then go to WAN page do a release and renew to get connected to WAN again.
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Sep 8, 2011
i have a WUSBF54G that will connect to my router just fine. Right when the device is first plugged in there aren't any problems. I can ping my router, I can ping google.com. The browsers all work correctly, etc. But after a while, maybe 30 minutes (it varies) I lose the connection to the internet. I can still ping the router. I can ping other devices on my network. But I cannot ping any websites by DNS name or by IP address and any browser I use won't display any websites. I have other wired and wireless connections on this network that don't have any problems. I even unplugged this adapter and plugged it into a different computer and had similar results. The device is relatively new (maybe a month old, but only used a few times within that month, and the use that it did get is mostly from trying to troubleshoot this issue.) Both computers I have installed the device on are running Windows 7 Ultimate. Both computers have the latest drivers installed from this site:
[URL]
I have a netopia 3000 router and I have checked to see if the problem could be caused by this router but there is nothing out of the ordinary there. All of my troubleshooting has been using the Win 7 "network and sharing center" to connect. I couldn't get the linksys connection tool to work and actually, I noticed after reading this forum that the linksys wifi connection tool doesn't work with win 7 after all so I don't think using the built in win 7 wifi tools would cause the issue. Also, just to clarify, in an attempt to resolve the issue I have tried dynamically assigning an IP address for this connection and also a static IP address. Either method seemed to yield no results. It is a frustrating problem to say the least. I don't want to believe that the adaptor is faulty. As I said it is relatively new. Also, as I mentioned, when I first plug it in it will work correctly for about the first half hour or so before it will stop reaching the internet. I then have to physically unplug the device and plug it back in in order to correct the issue. I was thinking of creating some kind of script that will automatically disable the adapter every 30 minutes and then enable the adapter. I ran into another issue here though. If I disable the adaptor (either from device manager or from "Network Connections) the device will change status from "Not Connected" to "Disabled." So far so good. But then, when I go to enable the adaptor again the adaptor disappears from the list. It's as if it isn't plugged in any more. The only way to get it back is to physically unplug the device and physically plug it back in. How to "Enable" the device without it disappearing from the network adapter list.
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Sep 10, 2012
I would like to know if the power the Nexus 7K allocates per module is configurable?For example, we are only using the 8 didicated ports on our N7K-M132XP-12 card. The Nexus budgets 750W for the module, but given that we will only ever use 8 of the 32 ports we would like to allocate the remaining power elsewhere.
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Oct 26, 2011
Any issues are reported while configuring power stack ? We did several times with 12.2.58SE1 and SE2, sometimes the power stack is created automatically, sometimes needs to be configured manually. Looks like the behavior is not the same. Maybe it depends on the number/type of switches and number/type of power supplies.
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Mar 17, 2013
I have an e4200 with the latest firmware 2.1.39. I just upgraded the firmware due to connection issues with my DSL. I now have the same issues with disconnects but I believe they are being caused by a different issue. When I try and log into my router through the IP address it wont let me, it says it can't find the router. Eventually after getting in the first time by using the default password, I have twice found out that all my settings are gone. This has happened twice this week and only happened after upgrading the firmware but I can not tell if firmware is causing it or if it is hardware related. I now reboot and restore saved firmware but that is a hassle and am pretty sure that is not the way it was designed to work.
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May 7, 2011
I have a problem with my laptop...i have a Packard Bell laptop connected to my wireless router WAG 320n and it has been working fine until yesterday when it didnt connect automaticly as it have been doing before because i have my ssid network saved on my laptop!
I logged on to the router page and changed from standard channel to wide channel and also tried different channels at the same time that i tried connecting with the laptop but i get the same message everytime "Unable to connect!
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Aug 1, 2011
I am now on my second E4200... But still the same failure.. It looses the internet connection 5-6 times a day, and then I have to switch it off and on to get connection again.
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