Aironet 1242AG Ethernet error

Hi
Im having an issue with my 1242AG AP that i cant seem to find a solution for.
I was working away configuring RADIUS and it decided to reboot itself, strange enough but then once it started to reload i got the following:
Reset ethernet port 0...
then nothing. The status lights are:
Ethernet - RED
Radio - OFF
Status - Light Blue (near white?)
Ive checked the LED documentation and it say that its an Ethernet error.
My problem is that this is the 2nd one in as many days that has done this and i dont know how to get it going again.
Ive done the manual reset (as per manual)and it just sits there doing nothing aswell, always displays the flashfs[0] text then the reset ethernet port 0... then no further.
Other posts seem to get to the ap> prompt at least to be able to do some sort of config.
Anybody know of anything to get this going??
Any help would be appreciated.
Rob

Hi Steven
Thanks for your reply, the ethernet interface is down, when i connect a cross over cable (tried straight through too)from my laptop to the AP, my laptop says thats its interface is down, so that means that the AP interface is also down as there are no status lights at all and the lappy cant see anything at the far end.
Ive tried the manual reset (holding MODE for 30 sec while powering on, it takes the status light to pink and the radio light to red but still the same, nothing happens except the:
flashfs[0] checks then the RESET ETHERNET PORT 0....
It never comes back saying its reset the interface like most other errors ive found on the forum.
This is the 2nd one thats done this while ive been configuring it? I cant believe that a configuration statement will kill the AP like this?
Rob

Similar Messages

Aironet 1242ag no longer working after software installation

We killed an aironet 1242AG access point - someone installed the LWAPP software and it
either got corrupted or the software itself changes the way the device functions dramatically. In any
case we want to revert it back to the way it is supposed to be but the web browser interface no longer works and TFTP
doesn't seem to work either - We've tried a factory default reset but that doesn't do anything.
Here's an error we're seeing at boot:
Extracting files...
extracting info (283 bytes)
c1240-k9w7-mx.124-25d.JA/ (directory) 0 (bytes)
c1240-k9w7-mx.124-25d.JA/html/ (directory) 0 (bytes)
c1240-k9w7-mx.124-25d.JA/html/level/ (directory) 0 (bytes)
c1240-k9w7-mx.124-25d.JA/html/level/1/ (directory) 0 (bytes)
ERROR: Problem extracting files from archive.Loading "flash:/c1240-rcvk9w8-mx/c1
I can provide with a full config file if requested.
Thanks

It is doing this -
AP0016.47b2.1e60#debug capwap client no-reload
CAPWAP ignore internal reload debugging is on
AP0016.47b2.1e60#debug capwap console cli
This command is meant only for debugging/troubleshooting
Any configuration change may result in different
behavior from centralized configuration.
CAPWAP console CLI allow/disallow debugging is on
AP0016.47b2.1e60#config t
Enter configuration commands, one per line. End with CNTL/Z.
AP0016.47b2.1e60(config)#int fa 0
AP0016.47b2.1e60(config-if)#ip address 192.168.1.216 255.255.255.0
AP0016.47b2.1e60(config-if)#end
AP0016.47b2.1e60#
*Mar 1 00:06:18.015: %SYS-5-CONFIG_I: Configured from console by console
AP0016.47b2.1e60#
    package info:
    Version Suffix: k9w7-.124-25d.JA
    Image Name: c1240-k9w7-mx.124-25d.JA
    Version Directory: c1240-k9w7-mx.124-25d.JA
    Ios Image Size: 5007872
    Total Image Size: 5755392
    Image Feature: WIRELESS LAN
    Image Family: C1240
    Wireless Switch Management Version: 7.0.94.21
Extracting files...
c1240-k9w7-mx.124-25d.JA/ (directory) 0 (bytes)
c1240-k9w7-mx.124-25d.JA/html/ (directory) 0 (bytes)
c1240-k9w7-mx.124-25d.JA/html/level/ (directory) 0 (bytes)
c1240-k9w7-mx.124-25d.JA/html/level/1/ (directory) 0 (bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/appsui.js (557 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/back.shtml (506 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/cookies.js (5026 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/forms.js (17486 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/sitewide.js (16548 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/config.js (24933 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/stylesheet.css (3214 bytes)
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extracting c1240-k9w7-mx.124-25d.JA/html/level/1/filter.js.gz (1801 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/filter_vlan.js.gz (1461 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/filter_mac_ether.js.gz (1710 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/security.js.gz (957 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/vlan.js.gz (955 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ssid.js.gz (4098 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/dot1x.js.gz (982 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/network-if.js.gz (2080 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/stp.js.gz (952 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_assoc.shtml.gz (6087 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_event-log.shtml.gz (4398 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_home.shtml.gz (6949 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_network-if.shtml.gz (4063 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_network-map.shtml.gz (4356 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_services.shtml.gz (4185 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_system-sw.shtml.gz (3382 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/ap_contextmgr.shtml.gz (4187 bytes)
c1240-k9w7-mx.124-25d.JA/html/level/1/images/ (directory) 0 (bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/ap_title_appname.gif (2115 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button.gif (1211 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_1st.gif (1171 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_cbottom.gif (318 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_current.gif (1206 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_endcap.gif (878 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_encap_last.gif (333 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_last.gif (386 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_button_nth.gif (1177 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_leftnav_dkgreen.gif (869 bytes)
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extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_leftnav_upright.gif (64 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/apps_leftnav_yellow.gif (881 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/arrowdown_red.gif (108 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/arrowup_green.gif (108 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/corner_ur_7.gif (53 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/dkgreenmask11_up.gif (113 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/dkgreenmask28_upright.gif (110 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/grn_vertlines_bottom.gif (149 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/grn_vertlines_top.gif (141 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/hinav_plus.gif (56 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/left_bkg.gif (146 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/list_data.gif (122 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/logo.gif (29454 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/pixel.gif (49 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/sitewide_downleft.gif (53 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/sitewide_help_off.gif (934 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/sitewide_help_on.gif (934 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/sitewide_print_off.gif (111 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/sitewide_print_on.gif (111 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/spacer.gif (49 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/whitemask11_botleft.gif (62 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/whitemask11_upright.gif (61 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_alert.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_critical.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_debugging.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_emergency.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_error.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_information.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_notification.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/event_warning.gif (73 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/1/images/check_mark.gif (71 bytes)
c1240-k9w7-mx.124-25d.JA/html/level/15/ (directory) 0 (bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_assoc_adv.shtml.gz (4637 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_event-log_config-options.shtml.gz (6199 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_event-log_notif-options.shtml.gz (3187 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_express-setup.shtml.gz (11588 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_express-security.shtml.gz (13867 bytes)!
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/def_broadcast-ssid.shtml.gz (1259 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/def_no-security.shtml.gz (1578 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/def_eap-security.shtml.gz (1787 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/def_wep-security.shtml.gz (1593 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/def_wpa-security.shtml.gz (1849 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_network-if_ipaddress.shtml.gz (5075 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_network-if_802-11.shtml.gz (6896 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_network-if_802-11_b.shtml.gz (6832 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_network-if_802-11_c.shtml.gz (25249 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/dBm_mW_translation_table.shtml.gz (1509 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_network-if_802-11_d.shtml.gz (4546 bytes)
extracting c1240-k9w7-mx.124-25d.JA/html/level/15/ap_network-if_ethernet.shtml.gz (4888 bytes)
*Mar 1 00:07:20.944: %CAPWAP-5-STATIC_TO_DHCP_IP: Could not discover WLC using static IP. Forcing AP to use DHCP...
*Mar 1 00:07:30.596: %DHCP-6-ADDRESS_ASSIGN: Interface FastEthernet0 assigned DHCP address 192.168.1.165, mask 255.255.255.0, hostname AP0016.47b2.1e60
*Mar 1 00:07:30.970: %CAPWAP-3-ERRORLOG: Invalid event 29 & state 4 combination.
*Mar 1 00:07:30.970: %CAPWAP-3-ERRORLOG: SM handler: Failed to process timer message.
*Mar 1 00:07:30.970: %CAPWAP-3-ERRORLOG: Failed to handle timer message.
*Mar 1 00:07:30.970: %CAPWAP-3-ERRORLOG: Failed to process timer message.
*Mar 1 00:07:30.970: %CAPWAP-3-ERRORLOG: Discovery interval timer expiry handler failed..
Translating "CISCO-CAPWAP-CONTROLLER.xxxx.net"...domain server (xx.xyz.176.zzz)
Translating "CISCO-LWAPP-CONTROLLER.xxxx.net"...domain server (xx.xyz.176.zzz)
*Mar 1 00:07:35.473: %CAPWAP-5-CHANGED: CAPWAP changed state to DISCOVERY
*Mar 1 00:07:36.486: %CAPWAP-3-ERRORLOG: Did not get log server settings from DHCP.
*Mar 1 00:07:36.589: %CAPWAP-3-ERRORLOG: Could Not resolve CISCO-CAPWAP-CONTROLLER.xxxx.net
*Mar 1 00:07:36.690: %CAPWAP-3-ERRORLOG: Could Not resolve CISCO-LWAPP-CONTROLLER.xxxx.net [timed out]
Premature end of tar file
ERROR: Problem extracting files from archive.
archive download: takes 32 seconds
AP0016.47b2.1e60#

"Busiest Clients" report template on Cisco Prime & Aironet 1242AG

Yesterday I was trying to schedule a "Busiest Clients" report on our Cisco Prime physical appliance (PRIME-NCS-APL-K9, v2.1.0.0.87).
My goal was to monitor the busiest clients on a couple of old Aironet access-points. These APs have been installed in a branch office of our university that rely on 4 Mb/s SHDSL WAN connectivity and, as you might imagine, some saturation occurs when the classrooms are crowded.
Unfortunately, all the reports were empty ... there was only a "No data matches the specified criteria for the report” warning inside.
The Client Statistics task (Administration>Background Tasks) was enabled and I was able to run this report selecting a different floor area ... after a few tries I've discovered that this error occurs only when the old Aironet 1242AG APs are involved. If I select a floor area populated with the newer 1142 and 2602 models, the report template works as intended.
So, is there a way to fill a "Busiest Clients" report with data fetched from our old Aironet 1242AG APs?
Our WLC is a Cisco Wireless Services Module 2 Controller for Cisco Catalyst 6500 (WS-SVC-WISM2-K9).
(Sorry ... my English is a bit rusty)

Hi,
Kindly try to restart the Dameon manager with the command line of the server
1> net stop crmdmgtd
and then start the daemon manager --> net start crmdmgtd (wait for atleast 20-25 minutes before login back to LMS and also see if any file do exist at location CSCOps\Objects\dmgtd\ready folder).
Get the output of pdshow after waiting for 20 minutes and stdout.log and stderr.log from CSCOpx\MDC\tomcat\logs.
Many Thanks,
Gaganjeet

Need a Floorstand for a Cisco Aironet 1242AG WAP

Could you please advise us on a good floorstand for a Cisco Aironet 1242AG WAP?
We need to find a floorstand that would provide an effective mounting solution for our Wireless Access Point (Model Cisco Aironet 1242AG, images of the back and front are below). It should be at least 5 ft high (1.5 m) with pins/knobs or something to mount our WAP. Any ideas? Need answer asap.
Thank you for your help!!

Is the floor stand to do surveys or is it for a permanently mounting ? These normally are mounted to the celing tile.

Question on boot image aironet 1242ag

i am trying to change 5 aironet 1242ag's from LAP to autonomous. i have tftp'ed an image to the device but i am having a problem getting it to load the image, if someone has a minute to discuss i would very much appreciate it.
I can provide details as needed.. thanks

Converting a Lightweight Access Point Back to Autonomous Mode
You can convert an access point from lightweight mode back to autonomous mode by loading a Cisco IOS Release that supports autonomous mode (Cisco IOS release 12.3(7)JA or earlier). If the access point is associated to a controller, you can use the controller to load the Cisco IOS release. If the access point is not associated to a controller, you can load the Cisco IOS release using TFTP.
Note In some LWAPP deployments, the LWAPP controller resides between the access points and the rest of the network. In this topology, all traffic must cross over the controller before communication with network resources, such as a TFTP server, can occur. When converting back to non-LWAPP IOS with an access point that is no longer using the LWAPP protocol, traffic does not cross over the controller to reach the TFTP server.
https://learningnetwork.cisco.com/thread/14405

AP Aironet 1242ag with AIR-ANT1728 antenna , extend cable

Good day and thx in advance for any help.
I 'm administration an Aironet 1242ag, and we are currently buying an
AIR-ANT1728
as antenna. The standard cable for the antenna is 0.9m long, and It could be insufficient for my needs.
So a few questions:
Can i extend it ?
AIR-CAB050LL-R could fit?
The connectors should be 1 male, 1 female?
Thank you again
Francesco

You can extend it, but you will have some signal loss depending on the length of cable. These antennas have 'N' connectors and the cable will be fine since it has one female and one male 'N' connector. If this will be mounted outside make sure you use coax seal on the connector.
Sent from Cisco Technical Support iPhone App

DHCP on Aironet 1242AG

I configured dhcp server on the Aironet 1242AG. There are two SSID's on the Aironet how can I bind this dhcp server to one of the SSID's so all the clients authenticating to this SSID will get their IP from the DHCP server that I configured on the Aironet?

so long as the DHCP scope matches the network you want the client to get DHCP from,it should work. When the client attempts to get DHCP it will do a subnet broadcast looking for the DHCP server, and the AP should respond.

Minimum safe distance to a Aironet 1242AG

To whom it may concern,
I've been trying to conduct safety studies on RF systems I'm using on a project, one of which is the Cisco Aironet 1242AG. The FCC's OET states that for the 2.45GHz frequency range, an RF exposure of 1mw/(cm^2) is acceptable for non-controlled RF. I ran a few calculations for our Aironet coupled with a high gain antenna (15dBi) and determined the minimum safe distance was 4.2" away from the antenna. However, standard documentation in the Quick Start Guide for the Aironet 1240AG series access point claims the minimum safe distance is 7.9". I'm trying to figure out how that 7.9" figure was arrived at. The high gain antenna in use is omnidirectional with a beam height of + - 8 degrees.
The answer is important to me because we have our antenna mounted near a place where a human could sit. Part of me wonders if 7.9" was arrived at simply because the FCC OET Bulletin 65 Supplement C mentions devices with external omni-antenna being typically mounted 20cm away from where a human could be (pg.19).
Any insight would be great to this.
- jevans

I think the line "Proper installation of this radio according to the instructions found in this manual will result in user exposure that is substantially below the FCC recommended limits" clarifies the fact that FCC recommended and cisco recommendation is different taking human safety into account.

Aironet 1310 bridge: Ethernet error

I have a 1310 that is getting a
"system encounter an error initializing the ethernet port"
on startup.
It says to interrupt the boot seq and do a ether_init and then boot
I have done that but it still comes back with unable to initialize ethernet.
Is this bridge dead and need RMA'd or is there anything that can be done to revive the ethernet port.
From the power injector to a switch you get link, but never see the bridge in CDP from the switch.
thanks

I have seen this more than once. The bridge is toast. I have tried replacing the injector when this happens with no luck at all. The only fix was to replace the bridge. With that said, I would assume you have the coax on the outside properly sealed. Rain will get in the coax connections and cause you problems if you did not seal the coax terminations.
Randy

Aironet 1300 Ethernet seems down

Hi,
We've installed an Aironet 1300 (with external antenna) at the top of an 80 foot mast. Before installation we configured it with a static IP, setup its SSID etc etc. We also tested connecting to another WAP etc. All setup was done using its web interface.
However we cannot access it using the ethernet port on the power injector. If I connect using the console port I can see that it is running, however during initialization it says that it can't bring up the FastEthernet port.
If I do 'show ip interface brief' then it lists the IP address against BVI, but says the ethernet port is down. We've tried a different power injector with the same result.
Does anyone have any idea what we're doing wrong? We've had no similar problems with the other 20+ Aironet's we've installed.
Thanks
Richard Cronin

Hi Richard,
What I have observed is that if nothing is connected on the ethernet interface, while initializing it always throws this error.
As you mentioned that the you are not able to access the bridge ethernet connection is down and this seems to be the reason why you are getting this error.
Now coming to the point please crosscheck if the connection is done as -
1. Plug a Category-5 Ethernet cable into the port on the power injector labeled 10/100Base Tx to Device.
2. Plug the other end of the Ethernet cable into the Ethernet Port on the access point or bridge.
3. Plug a Category-5 Ethernet cable into the port on the power injector labeled 10/100 Base Tx to Network.
4. Plug the other end of the Ethernet cable into your 10/100 Ethernet switch, hub, or network.
5. Connect a suitable 48-VDC power source to the power receptacle labeled DC48V
I am sure that you must have done the connectivity as above but just to cross check. Just cjeck for TX to device/network
Also note that the overall span can not be more than 200mts. 100 per segment.
-> Sushil

Ethernet error after update

Hi, I am getting an error that says "/system/library/extensions/appleUSBethernethost.kext was installed improperly" after my last update a few days ago. (I had also installed Norton Antivirus about the same time as updating, and it will not download virus updates.) My ethernet has stopped working. This is on my 10.6.8 wireless laptop 2.4 GHz Intel Core 2 Duo. I had previously done a migration (a couple months ago) from my old PowerPC machine. Everything had worked fine including the Ethernet prior to the update. I tried installing the 10.6.8 combo update tonight, but it did not fix the problem. Please help! I need to get my Ethernet working again!

Uninstall NAV, it's not needed; then, reinstall the 10.6.8 v1.1 COMBO update. If that doesn't do the trick, reinstall SL from the install disc, then follow that with the COMBO update.

ABS Dual Ethernet -- Error writing configuration during hard reset mode

This has been a full day of troubleshooting this one. After downloading the Airport Admin Utility 4.2.5, I was finally able to see the old ABS Dual Ethernet via ethernet cable plugged into the LAN port from a Macbook running 10.5.2. We don't know the password to login into the base station and a soft reset hasn't stripped the password from the base station.
So.. I got ABS into hard reset mode with the middle LED blinking once every second as described in the Apple documentation, and was able to seethe ABS from the Airport Admin Utility. HOWEVER, when I try to configure the ABS, I enter my Admin username and password, am prompted to temporarily change TCP/IP settings for this computer and then "Writing configuration..." comes up.. but a few seconds later I get an error message "An error occurred while writing the configuration."
That's it. No other explanation.
No idea where to go from here.
My network settings are set in Manual mode to the following:
IP: 192.42.249.15
Subnet: 255.255.255.0
Router: 192.42.249.13
Any ideas with this one?

If I understand your post correctly, "when I try to configure the ABS" in the second paragraph refers to clicking the Configure button while trying to reload base station software (i.e., step 16 in Apple's document titled AirPort Base Station (Dual Ethernet) : How to reload software from Mac OS X).
I suggest that in order to reload the base station software, you make sure that AirPort is inactive on your computer and that the manual network settings you described are in the "Show: Built-in Ethernet" part of Network preferences.
Beyond that, I'd recommend re-doing the hard reset, possibly multiple times if it doesn't succeed the first time.
On the other hand, if you successfully reloaded the base station software and are indeed trying to configure the base station's settings, then quit AirPort Admin Utility, restore the computer's Network Ethernet settings to Using DHCP, and reopen AirPort Admin Utility (steps 18-20 of Apple's document).

Aironet 1400 Ethernet

Hello all,
Help please!
The led "uplink activity" in the cisco aironet 1400 -power injector lr- is off. I have checked coaxial and connectors, they are ok. I can not access the bridge by ethernet or telnet. I have reseted the bridge also, but the signal keep off. Is it a software/hardware problem?
Thanks

If you trun the AP backwards, what lights do you see. There are three lights down at the bottom and there is a sequence in which they blink. Please keep an eye on the blinking LED's.
http://www.cisco.com/en/US/docs/wireless/bridge/1400/12.2_15_JA/configuration/guide/p15trb.html
http://www.cisco.com/en/US/docs/wireless/bridge/1400/installation/guide/higch6.html
I had the same problem and I upgraded the IOS on the bridges to the latest one and that did the trick. If it doesnot then its a hardware replacement.
HTH,
-as

Aironet 1252 Boot Error

Hi Guys,
I need a help with an Aironet 1252 which is failing on boot. When power on the access-point shows the error below.
WARNING: A memory error occurred during the system start-up
self-test. The device must be serviced if the error persists.
The following commands can, optionally, be used to initialize
the flash file system and the TFTP file transfer system:
But when this happen, I can start the IOS manually doing flash_init and boot in ROMMON. After do this commands, the access-point starts and works normally.
How can I check and correct the memory and solve this issue? Anyone had an idea?
Thanks

Hi,
Yes, it looks like you will need to have the unit RMAd, if you like you could try the mode button procedure to reload the IOS to the AP and reset the AP to defaults as a last option.

Dynamic VLAN-Assignment from RADIUS with Aironet 1242AG doesn't work properly

Hello All,
our setting is to assign VLANs dynamically from RADIUS (freeradius) to Clients connected to the 1242 Access-Points with one SSID. We have Firmware
12.4(10b)JA/JDA on the Aironet 1242.
The clients should be connected to one of three VLANs - one for staff, one for students and one for guests. I use the Web-Interface of
the 1242, because I'm not very familiar with IOS cli.
After assigning the first VLAN to the SSID -> click Accept, assigning the second VLAN to the SSID (overwriting the previous one) -> click Accept,
assigning the third VLAN to SSID (overwriting again) -> click Accept, the assignment of VLANs works really fine,
(the only thing i change on the page is VLAN, the SSID is set to mandatory WPAv2)
BUT...
when the 1242 is rebooted (due a building power off or similar) it doesn't work anymore. Clients end up in an endless authentication loop.
After doing the procedure again from above - assigning all VLANs sequently once, it works fine again ! till next reboot...
All VLANs have same encryption, cypher, TKIP+AES CCM. On the Cisco-Site I found a command, which i also tried with no success:
'aaa authorization network default group radius'.
I also tried to save the working config and load it into the 1242 again, this also did not work.
It seems that i'm doing something wrong, but what ?
Thanks for some help,
Frank

All you really need to do is make sure the subinterfaces/vlans are created for each VLAN you need, then have radius push down IETF attributes 64, 65, and 81.

Aironet 1242AG Ethernet error

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