871 with 2 1100 Aironet Repeaters

I am having quite a bit of trouble with setting up a very simple network.
My objective is to cover a small warehouse with wireless coverage to allow for data collection from remote scales in fixed location.
To reach to the far corner of the warehouse I needed to repeaters as discovered by trial and error. The problem is that the second repeater disconnects somewhat randomly. The disconnect period can be from as little as 30 minutes to has long as 8 hours. When the second repeater disconnects it take roughyl two minutes for it to reconnect. I am attaching the event log in hopes that it means something to some one. Also I am having a somewhat annoying problem that when ever I power down any of the equipment certain parameters are not saved such as the time and on the 871 the DHCP address range resets. I am not sure if this problem is related but it is quite bother some.
1 Jun 15 14:25:30.583 R Information Interface Dot11Radio0, Station 0020.4a89.1d0a Associated KEY_MGMT[NONE]
2 Jun 15 14:25:28.551 R Warning Interface Dot11Radio0, Associated To AP Repeater1 0017.59e1.2334 [None]
3 Jun 15 14:25:28.549 R Error Interface Dot11Radio0, changed state to up
4 Jun 15 14:25:28.492 R Error Interface Dot11Radio0, changed state to down
5 Jun 15 14:25:28.491 R Information Interface Dot11Radio0, Deauthenticating Station 0020.4a89.1d0a Reason: Previous authentication no longer valid
6 Jun 15 14:25:28.490 R Warning Interface Dot11Radio0, parent lost: Received deauthenticate (2) not valid
7 Jun 15 14:24:45.796 R Information Interface Dot11Radio0, Station 0020.4a89.1d0a Associated KEY_MGMT[NONE]
8 Jun 15 14:24:00.769 R Warning Interface Dot11Radio0, Associated To AP Repeater1 0017.59e1.2334 [None]
9 Jun 15 14:24:00.767 R Error Interface Dot11Radio0, changed state to up
10 Jun 15 14:24:00.711 R Error Interface Dot11Radio0, changed state to down
11 Jun 15 14:24:00.710 R Information Interface Dot11Radio0, Deauthenticating Station 0020.4a89.1d0a Reason: Previous authentication no longer valid
12 Jun 15 14:24:00.675 R Warning Interface Dot11Radio0, parent lost: Received deauthenticate (2) not valid
13 Jun 15 14:24:00.598 R Information Interface Dot11Radio0, Station 0020.4a89.1d0a Associated KEY_MGMT[NONE]
14 Jun 15 14:23:51.606 R Warning Interface Dot11Radio0, Associated To AP Repeater1 0017.59e1.2334 [None]
15 Jun 15 14:23:51.604 R Error Interface Dot11Radio0, changed state to up
16 Jun 15 14:23:51.542 R Error Interface Dot11Radio0, changed state to down
17 Jun 15 14:23:51.541 R Information Interface Dot11Radio0, Deauthenticating Station 0020.4a89.1d0a Reason: Previous authentication no longer valid
18 Jun 15 14:23:51.539 R Warning Interface Dot11Radio0, parent lost: Received deauthenticate (2) not valid
19 Jun 15 14:23:15.811 R Information Interface Dot11Radio0, Station 0020.4a89.1d0a Associated KEY_MGMT[NONE]
20 Jun 15 14:22:48.593 R Warning Interface Dot11Radio0, Associated To AP Repeater1 0017.59e1.2334 [None]

Hi Roberto,
Hopefully the attached docs will answer your question:
Cisco Aironet 1100 Series
Using VLANs with Cisco Aironet Wireless Equipment
Deprecated versions of Cisco Aironet software permit binding multiple SSIDs to one VLAN. Current versions do not.
http://www.cisco.com/en/US/products/hw/wireless/ps4570/products_configuration_example09186a00801d0815.shtml#
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points, 12.2(15)JA
Configuring Multiple SSIDs
vlan vlan-id
(Optional) Assign the SSID to a VLAN on your network. Client devices that associate using the SSID are grouped into this VLAN. You can assign only one SSID to a VLAN.
http://www.cisco.com/en/US/products/hw/wireless/ps4570/products_configuration_guide_chapter09186a00802085c4.html
Hope this helps!
Rob
Please remember to rate helpful posts.......

Similar Messages

Server 2008 R2 RADIUS Server with a Cisco Aironet 1040 Wireless AP

I am trying to get Server 2008 R2 RADIUS Server to work with a Cisco Aironet 1040 Wireless AP. I have installed the RADIUS server by MS standards and performed some searches on Google to configure the Cisco Aironet. I see others using a Wireless LAN Controller, which I do not have. I found this post below:
https://supportforums.cisco.com/discussion/11546056/wlc-2504-radius-2008-r2-server
But I have yet to locate a good step by step document on how to set it up and I have found so many different ways that others have set it up, but none have yet to work. I am having authentication issues that I have know of and I do not see any errors in the Windows Event Viewer and I do not know where the Acess Point stores it logs for any sort of error. Keep in mind this is the first time I am doing this. I do not have a Wireless LAN Controller and all my network / domain services are on individually built servers and not on one single server as I have seen with most of the documentation they all say the same thing by putting the Certificate Services, Domain Services (AD / ADS, etc), and NPS. I do not want that configuration and my setup should not be any different, but something is not right. I know from reading that this is not rocket science, but from someone who has never done it before this is difficult as I keep reading on and so many people do it different ways including what I have been reading according to what Cisco says to configure in the environment. Does anyone know where I can find good step by step documentation along with where I can look for logs on either device? I find that all the documentation I see on Cisco's website and from searching that it is old and outdated and not been updated in a long time so it is hard to determine what works and what does not work. I am stumped here and have been doing this for several weeks now with no luck. Thank you in advance.

I did configure the Server 2008 R2 RADIUS Server using this video below:
https://www.youtube.com/watch?v=g-0MM_tK-Tk
I also referenced Technet to make sure it was configured correctly as well. I am still not sure if I am 100% setup correctly on the Windows Server side, but I for sure want to make sure I have the AP side setup correctly. Do you know of a better article for the Windows Server 2008 R2 setup? Does it matter that I do not have all the services installed on the same server? Instead I have them installed on multiple servers.
I have image number c1140-k9w7-tar.124.25d.JA1 on the AP. The part that confused me in that article, which I have seen before was the part about "Setting up access point must be configured in the authentication server as an AAA client." What is the AAA Client? I also am not aware of having Cisco Secure ACS anywhere built into the AP as that part through me off completely. Do I need to skip these steps? Thank you for help on this.

Using multiple SSID with AP 1100 (standalone mode).

Hi, need to configure 2 SSID on the same 1100 AP: open authentication and WPA2. It's possible to configure these 2 SSID without configuring VLAN's ?
On CCO I've read the following:
http://www.cisco.com/en/US/products/hw/wireless/ps430/products_qanda_item09186a008009483e.shtml
Q. How many service set identifiers (SSIDs) can you have per VLAN?
A. You can have only one SSID per VLAN. The use of multiple SSIDs over a single VLAN is not supported with Aironet APs.
It's also true with the latest IOS release ?

Hi Roberto,
Hopefully the attached docs will answer your question:
Cisco Aironet 1100 Series
Using VLANs with Cisco Aironet Wireless Equipment
Deprecated versions of Cisco Aironet software permit binding multiple SSIDs to one VLAN. Current versions do not.
http://www.cisco.com/en/US/products/hw/wireless/ps4570/products_configuration_example09186a00801d0815.shtml#
Cisco IOS Software Configuration Guide for Cisco Aironet Access Points, 12.2(15)JA
Configuring Multiple SSIDs
vlan vlan-id
(Optional) Assign the SSID to a VLAN on your network. Client devices that associate using the SSID are grouped into this VLAN. You can assign only one SSID to a VLAN.
http://www.cisco.com/en/US/products/hw/wireless/ps4570/products_configuration_guide_chapter09186a00802085c4.html
Hope this helps!
Rob
Please remember to rate helpful posts.......

Issues with cisco 1242 aironets

We are currently experiencing and issue with the 1242 AG Wireless Access Points. We have have them configured as 1 Root Access point and 3 Repeaters. The repeaters seem to be experiencing frequency interference issues. The Root AP is using antenna model 2506 and the repeaters 1728's.
What happens is when the repeaters are first started up, they see / communicate to the root access point fine, but within 5 minutes they stop communicating. If we manually set the channel to something different, they see each other for 5 - 10 minutes then eventually disappear and cannot be ping'd or seen with a sh cdp nei.
We have tried various combinations of settings so far. Have tried channel 1 - 13 and the least conjested frequency mode. It usually settles on channel 8 when we put it in that mode. But it is the same sceneario each time. All 3 repeaters show up almost instantly after a channel change, but slowly disappear in less than 10 minutes.
Here is our config:
Version
Cisco IOS Software, C1240 Software (C1240-K9W7-M), Version 12.4(21a)JA1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Wed 16-Sep-09 19:06 by prod_rel_team
ROM: Bootstrap program is C1240 boot loader
BOOTLDR: C1240 Boot Loader (C1240-BOOT-M) Version 12.3(7)JA1, RELEASE SOFTWARE (fc1)
ROOTAP uptime is 2 days, 3 hours, 14 minutes
System returned to ROM by power-on
System image file is "flash:/c1240-k9w7-mx.124-21a.JA1/c1240-k9w7-mx.124-21a.JA1"
cisco AIR-AP1242AG-E-K9    (PowerPCElvis) processor (revision A0) with 24566K/8192K bytes of memory.
Processor board ID FCZ112782K9
PowerPCElvis CPU at 262Mhz, revision number 0x0950
Last reset from power-on
1 FastEthernet interface
2 802.11 Radio(s)
32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:1C:58:B1:72:2E
Part Number                          : 73-10256-06
PCA Assembly Number                  : 800-26918-05
PCA Revision Number                  : A0
PCB Serial Number                    : FOC11262N5Z
Top Assembly Part Number             : 800-29233-01
Top Assembly Serial Number           : FCZ112782K9
Top Revision Number                  : A0
Product/Model Number                 : AIR-AP1242AG-E-K9
Configuration register is 0xF
Root AP Config
Current configuration : 1987 bytes
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
hostname ROOTAP
no aaa new-model
dot11 syslog
dot11 activity-timeout client maximum 120
dot11 activity-timeout repeater maximum 300
dot11 ssid WIRELESS
   authentication open
   authentication key-management wpa
   guest-mode
   infrastructure-ssid
username user privilege 15 secret 5 password
bridge irb
interface Dot11Radio0
no ip address
no ip route-cache
encryption mode ciphers tkip
ssid WIRELESS
antenna gain 5
parent timeout 10000
channel 2417
station-role root access-point
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
bridge-group 1 spanning-disabled
interface Dot11Radio1
no ip address
no ip route-cache
shutdown
no dfs band block
channel dfs
station-role root
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
bridge-group 1 spanning-disabled
interface FastEthernet0
no ip address
no ip route-cache
duplex auto
speed auto
bridge-group 1
no bridge-group 1 source-learning
bridge-group 1 spanning-disabled
interface BVI1
ip address 192.168.2.10 255.255.255.0
no ip route-cache
ip default-gateway 192.168.2.1
ip http server
ip http authentication local
no ip http secure-server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag
bridge 1 route ip
line con 0
privilege level 15
logging synchronous
login local
stopbits 1
line vty 0 4
privilege level 15
logging synchronous
login local
stopbits 1
line vty 5 15
privilege level 15
logging synchronous
login local
stopbits 1
end
Repeater Config
Current configuration : 1764 bytes
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
hostname REPEATER03
no aaa new-model
dot11 syslog
dot11 ssid WIRELESS
   authentication open
   authentication key-management wpa
   guest-mode
   infrastructure-ssid
username user privilege 15 secret 5 password
bridge irb
interface Dot11Radio0
no ip address
no ip route-cache
encryption mode ciphers tkip
ssid WIRELESS
antenna gain 5
parent timeout 10000
station-role repeater
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
bridge-group 1 spanning-disabled
interface Dot11Radio1
no ip address
no ip route-cache
shutdown
no dfs band block
channel dfs
station-role root
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
bridge-group 1 spanning-disabled
interface FastEthernet0
no ip address
no ip route-cache
duplex auto
speed auto
bridge-group 1
no bridge-group 1 source-learning
bridge-group 1 spanning-disabled
interface BVI1
ip address 192.168.2.13 255.255.255.0
no ip route-cache
ip default-gateway 192.168.2.1
ip http server
ip http authentication local
no ip http secure-server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag
bridge 1 route ip
line con 0
privilege level 15
logging synchronous
login local
stopbits 1
line vty 0 4
privilege level 15
logging synchronous
login local
stopbits 1
end
We are wondering if you have any tips to get around this.
Also, should these access points be able to handle ~200 clients? How close to the root access point should the repeaters be placed? I basically just go until my signal gets low and put a repeater within that range. Could vary from 30-60 meters away.
Thanks

Also, should these access points be able to handle ~200 clients?
APs, in theory, can handle >1,200 clients. In theory. In practice, Cisco recommends between 12-25 clients. Imagine if you have, say, 50 clients and they are trying to access the network on a 100 Mbps FastEthernet connection. That slows them down, right? But consider wireless as a broadcast. One talks and the rest listens.

Bridge with 2 x Aironet 2602e

Hi -
I'm trying to configure two Aironet 2602e (with external antennas) to form a bridge between two buildings. I can't figure out how to get them to run faster than 54 Mbit between them. Currently they just sit at my desk in a test-setup. I think, I should maybe set them up as Workgroup-bridges instead of root-to-non-root, but I don't get other speed options than those 54 Mbit. Also I think it should be done at 5 GHz radio.
Could it be something with encryption mode or is it only possible through CLI or...
Please help
Sincerly
Nicholas

That was a fast response!
My config (too much of it??):
dot11 syslog
dot11 ssid Gangbro3
   authentication open
   authentication key-management wpa version 2
   wpa-psk ascii 7 0100525750585400751842594900
crypto pki token default removal timeout 0
username administrator privilege 15 password xxxxxxxxxxxxxxxx
bridge irb
interface Dot11Radio0
no ip address
no ip route-cache
shutdown
encryption mode ciphers aes-ccm
antenna gain 0
speed basic-1.0 basic-2.0 basic-5.5 basic-11.0 basic-6.0 basic-9.0 basic-12.0 basic-18.0 basic-24.0 basic-36.0 basic-48.0 basic-54.0 m0. m1. m2. m3. m4. m5. m6. m7. m8. m9. m10. m11. m12. m13. m14. m15. m16. m17. m18. m19. m20. m21. m22. m23.
station-role root access-point
bridge-group 1
bridge-group 1 subscriber-loop-control
bridge-group 1 spanning-disabled
bridge-group 1 block-unknown-source
no bridge-group 1 source-learning
no bridge-group 1 unicast-flooding
interface Dot11Radio1
no ip address
no ip route-cache
encryption mode ciphers aes-ccm
ssid Gangbro3
antenna gain 0
no dfs band block
stbc
speed basic-6.0 basic-9.0 basic-12.0 basic-18.0 basic-24.0 basic-36.0 basic-48.0 basic-54.0 m0. m1. m2. m3. m4. m5. m6. m7. m8. m9. m10. m11. m12. m13. m14. m15. m16. m17. m18. m19. m20. m21. m22. m23.
channel dfs
station-role root bridge
bridge-group 1
bridge-group 1 spanning-disabled
interface GigabitEthernet0
no ip address
no ip route-cache
duplex auto
speed auto
bridge-group 1
bridge-group 1 spanning-disabled
interface BVI1
ip address dhcp client-id GigabitEthernet0
no ip route-cache
ip forward-protocol nd
ip http server
ip http authentication aaa
no ip http secure-server
ip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag
bridge 1 route ip
line con 0
line vty 0 4
transport input all
end

Problem associating 7920 phone with AP 1100

Hello ,
I have setup AP 1100 in the nw. data connectivity are working fine. Laptops are getting associated with AP. but when i m trying to associate the Wirelss phone 7920 its not getting associated. It gets authenticated.It shows association in progress. On AP it shows ip address 0.0.0.0 and it restart the whole process again. i couldn't manage to figure out the problem. Kindly help me on the same.
thanx
anand

Hi,
If the phone is not associating to the AP you need to verify that the configuration on the phone (check under "Network config" tab) is the same than in the AP.
Verify
-SSID is set to "specify" and the SSID1 value is the same that what is configured on the AP for that vlan.
-The "Authentication" selected is the same than in the AP. If it's LEAP verify as well the username/pwd configured. If it's Shared key, doublecheck the Web key under Encryption parameter (it's easy to mistype numbers from 1-3 as they are on same key than A-F).
If those two are properly configured you will see under "site survey"a list of AP matching SSID and authentication method.
Make sure as well that non supported features are unchecked on the AP for the vlan where your phones reside(TKIP/MIC,PMIP)

Barcode printing issues with Laserjet 1100 8.1 driver

Hi All,
I've ran into issues printing coupons to my Laserjet 1100 printer using Windows 8.1. This worked with no issues (and still does) in Windows 8. Looking at the driver versions, it appears that something was updated form 8 to 8.1.It seems this issue is related
to printing any barcodes. Has anyone else encounters this? Is there any way I can use the Windows 8 driver instead?

For anyone interested, the way I was able to fix this issue is with the
HP Universal Print Driver for Windows PCL6
http://h20566.www2.hp.com/portal/site/hpsc/public/psi/swdHome/?sp4ts.oid=4157320&ac.admitted=1399039456352.876444892.199480143
I selected Windows 8.1 x64, then downloaded the PCL5 driver and now the barcodes work.

Voltage Measuring error in Labview with scxi-1100/1300

I used the Daq wizard to setup my simple loop to measure 6 channels on my SCXI-1100 card with 1300 terminal. I actually measured the voltage on the terminal block and get 4.6 volts but labview reads from 1.1 to 0.8? I believe it is something I setup wrong in NI-MAX or my simple labview loop because we switched out the 1100 & 1300 cards - any suggestions on what to check next? Could my PCI card or SCXI Chassis be causing this problem?
thanks

Yes. I am sure it's something simple that I am not doing but I am stumped!
I have the following setup:
PCI-MIO16E-4
SCXI-1001
SCXI-1100/1300
When I open the test panel it reads the real voltage (that I confirmed on the terminal block with a voltmeter) but when I run the sample program or a simple Daq Assistant scan the numbers are completely different. I attached screen dumps - please take a look and see if you can catch what I have set wrong etc.
thanks again!
Attachments:
SCXI_1100_Settings_and_readings.zip ‏1844 KB

How to configure resistor network on BNC-2095 with SCXI-1100

The manuals are not entirely clear on this point. I have a BNC-2095 that is connected to a SCXI-1100, and will be reading voltage input signals from pressure transducers and other assorted sensors. The manual indicates that I should not use a ground-referenced input with the BNC-2095 and have the 10-ohm resistor networks in place, but it only discusses installing the 10-megaohm resistors for use with the SCXI-1102. What is the correct configuration for use with the SCXI-1100?
Thanks,
Tom

Hi Tom,
Using the 10 MOhm resistor network instead of the default 10 Ohm resistor network with the SCXI-1102 allows you to measure both floating and ground-referenced signals. According to page 7, Table 2 of the SCXI-1303 manual, this is not recommended with the SCXI-1100. I will verify with R&D that this is also the case when using the SCXI-1100 with the BNC-2095.
If you are certain that your signal is ground-referenced then you should remove the default 10 Ohm resistor network. The input impedance should be high enough to prevent any sort of ground loop. Check page 5, Table 1 of the BNC-2095 manual for the appropriate jumper settings when measuring ground-referenced signals
IMPORTANT NOTE: Do not attempt to measure a ground-referenced signal with the default 10 Ohm resistor network installed. This is well documented in both the BNC-2095 and the SCXI-1303 manuals that it may cause damage to your hardware.
Rod T.

Aironet 1100 with iPAQ 5450 and LEAP

Hi All,
I have a 5450 iPAQ with built in LEAP support. We use the 1100 Aironets on our WLAN. When I enable LEAP on the iPAQ the device never associates to the AP at all?
I have debugged for "dot11 aaa dot1x all" on the AP but never see any events coming through. It looks as if the device is not associating to the AP at all. The status on the device just sits on "Initialiasing".
I'm running 12.2(8)JA on the 1100. Is there a setting I'm missing to support non-cisco hardware from the AP because my Cisco LAN adapter works fine with LEAP from my laptop.
Has anyone else seen this or got it working?

Try resetting all WEP keys on both the AP and the client card. This can help confirm that an error in the key entry was not made, thereby precluding this as a possible source of the inability to complete an association.

Help! Syncmaster 1100 blurry when connected to Imac with Mini DVI to Vga

Hi,
I recently tried to use my Samsung SyncMaster 1100 (21") as a secondary display But when I connect it with the mini dvi to vga adapter to my imac the image looks blurry. Is there some compatibility isue with syncmaster 1100?
Please Help!, I tryed the imac with a different secondary monitor and it works fine. I tested my syncmaster with another pc and it works fine. I don't know what else to do.
Thanks in advance

Hi Josh,
To start, it is considered extremely impolite to type in all capital letters as you have done. Please use all lower case, or preferably properly capitalised text, in future.
With regards to the problem you're having.. the reason you only see the desktop background is due to screen spanning. If you want the external display to display the same thing as the internal display, go to the displays system preferences pane, and check the box that says "Mirroring"
The color problem is probably due to a loose connection somewhere, either between the iMac and its adaptor, the adaptor and the cable to the projector, or between the projector and the cable plugging into it. If you're still having problems, try different adaptor cables, or try plugging it into a different monitor to try to work out which one is causing a problem.
Good luck

Coverage distance for aironet with antenna

hi all,
what's the coverage distance for
Cisco Aironet 2602e Controller-based - wireless access point
with
antenna
Cisco Aironet High Gain Omnidirectional Ceiling Mount Antenna - antenna
thanks for any comment you may add.

1. You've posted this thread in the LAN/WAN section. So you won't get a lot of comments/responses.
2. What is the EXACT model of the antenna?
3. How is your antenna installed and the orientation of the clients?
4. What data rates do you have enabled?
Sent from Cisco Technical Support Nintendo App

1100 troubles with contacts

Hey,
I have no problems with my 1100 until I changed the SIM card. All contacts were stored at the old SIM card, so I've copied it to the new one.
Now the phone doesn't resolve incoming call number to the name. The number exists in the contacts. It have the name. I even saved it again ("Call registrar > Received calls > Save") to my contacts. No luck.
I've tried to switch the memory from sim to phone.
I've tried to save a contact to both -- sim and phone. Fail. I still see just a number when I get an incoming call.
I've tried to recall factory defaults but it asks of protection code which isn't documented in the manual. I'm pretty sure that I've never set the protection code. I've tried 0000, 1234, 1111 -- no match.
I do not want to buy another phone. I'm ok with 1100.
Please help. Thanks a lot!

A couple of things I can think of...
1) Does this happen with all numbers or just a few? If just a few, could it be that you have multiple contacts with the same number? If so, the phone doesn't know which name to display so just displays the number.
2) Does the number displayed match the number stored exactly (no extra spaces, both in the same national or international format)?
Was this post helpful? If so, please click on the white "Kudos!" star below. Thank you!

Emsdk-1100 error with OEM Console...

I've installed Oracle 8.1.7.0.0 on Windows 2000.
The OEM worked fine.
But after applying the 8.1.7.2.1 patchset,
I got the error 'Emsdk-1100:unable to etablish a secure
communication channel' every time I tried to bring up the console
(connected as SYSMAN).
Any help is highly appreciated.
Hoang Tran

The following fix from Metalink solved this problem for me.
Problem Description
1. When trying to start the OEM Console or one of the Management
Pack
utilities (e.g. DBA-Studio or one of the other Managers), you
get
the following error:
EMSDK-1100: Unable to establish a secure communication
channel.
and the program will not start. When starting the Management
Pack
utilities in the standalone mode, this error does not occur.
2. This problem occurs:
- after the installation of the 8.1.7.2.1 Patch Set on top of
either
8.1.7.0.0 or 8.1.7.1.x
- on the platform Microsoft Windows NT or Windows 2000
- when on the same machine, in the same %ORACLE_HOME%, the
Oracle Enterprise Manager (OEM) utilities release 2.2 are
installed
(e.g. the OEM Console and one or more Management Packs),
and
the Oracle Management Server (OMS) release 2.2.
Solution Description
1. Before applying the Patch Set 8.1.7.2.1, rename the file
%ORACLE_HOME%\bin\njssl8.dll
e.g. to:
%ORACLE_HOME%\bin\njssl8_old.dll
After applying the patch-set 8.1.7.2.1,
-> rename the new njssl8.dll (causing problem) to
njss8_new.dll
-> rename old njssl8_old.dll (good version) to njssl8.dll
Start the OMS (or reboot the machine and re-start the OMS).
2. When no backup of %ORACLE_HOME%\bin\njssl8.dll has been made
before
installing the 8.1.7.2.1 patch-set, obtain the latest earlier
version
of this DLL. This file can be found in the 8.1.7.1.1 patch-
set which
can be downloaded via MetaLink:
a. Run WinZip to open the 81711 patch-file:
p1711240_8171_WINNT.zip
b. Double-click on the file: WinNT-81711_patchset.exe
and choose "Run WinZip" in the "WinZIP Self-Extractor"
screen.
c. In the new WinZip screen, locate the file: lib.0.4.jar
Note: there exist 4 (four) files with the name lib.0.4.jar
Choose the one which will be extracted to the location:
81711\stage\Patches\oracle.options.ano.ssl\8.1.7.1.1\1
\DataFiles\
d. Extract this file to disk.
e. Locate the file lib.0.4.jar which was extracted to disk
f. Open this JAR file with WinZip.
g. The JAR file contains one file only: njssl8.dll
h. Extract this file to disk in a temporary directory.
i. Rename %ORACLE_HOME%\bin\njssl8.dll to %ORACLE_HOME%
\bin\njss8_new.dll
j. Copy the extracted file (see h.) to %ORACLE_HOME%
\bin\njssl8.dll
k. Start the OMS (or reboot the machine and re-start the OMS).
3. A fix for this problem is not implemented in the 8.1.7.2.x
patch-set.
Consult [BUG:1946984] in order to find out if a patch is
available.
Explanation
In the 8.1.7.2.1 Patch Set, one of the modified DLL's is:
%ORACLE_HOME%\bin\njssl8.dll
This DLL is also used during the startup of the OEM Console or
the
Management Pack utilities which login to the Oracle Management
Server
(i.e. which are using the OEM Repository).
The new version of this DLL, shipped with patch-set 8.1.7.2.1 on
the
Windows platform, causes a Secure Communication Error, resulting
in the:
EMSDK-1100: Unable to establish a secure communication
channel.
References
[BUG:1946984] "AFTER APPLYING 8.1.7.2.1 PATCH-SET, OEM UTILITIES
FAIL TO
START WITH EMSDK-1100"
Additional Search Words
WIN2000, WIN-2000, WINNT, WIN-NT, patchset, upgrade, 81721

Aironet 1240AG - cant use the web interface

I am trying to configure a new Aironet 1240AG. After it picked an ip address from the DHCP in my lan, I still can't log in using the web interface. I am using an Internet Explorer 6.0 on Win 2000. It keeps telling me cannot find server. please i need assistance

Hi Obinna,
Sorry about the link :( The problem here is the fact that 12.3.(11)JX is a Lightweight image. Have a look;
Warning: All Cisco Aironet Access Points receiving Cisco IOS Software Release 12.3(11)JX will only function in conjunction with a Cisco Wireless LAN Controller. They will no longer be able to function as Cisco Aironet Autonomous Access Points.
This product bulletin describes the content and delivery information for Cisco IOS Software Release 12.3(11)JX. This is a Cisco Lightweight Access Point Protocol (LWAPP) upgrade and recovery support software image supporting Cisco Aironet 1100, Aironet 1130, Aironet 1200, Aironet 1230 AG, Aironet 1240 AG, and Aironet 1300 Series Access Points.
http://www.cisco.com/en/US/products/ps5861/prod_bulletin0900aecd804b1a72.html
You can use this method to convert the AP back to Autonomous Mode (and access via Web);
Reverting the Access Point Back to Autonomous Mode
http://www.cisco.com/en/US/products/hw/wireless/ps430/prod_technical_reference09186a00804fc3dc.html#wp161272
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.
Using a TFTP Server to Return to a Previous Release
Follow these steps to revert from LWAPP mode to autonomous mode by loading a Cisco IOS release using a TFTP server:
Step 1 The static IP address of the PC on which your TFTP server software runs should be between 10.0.0.2 and 10.0.0.30.
Step 2 Make sure that the PC contains the access point image file (such as c1200-k9w7-tar.122-15.JA.tar for a 1200 series access point) in the TFTP server folder and that the TFTP server is activated.
Step 3 Rename the access point image file in the TFTP server folder to c1200-k9w7-tar.default for a 1200 series access point, c1130-k9w7-tar.default for an 1130 series access point, and c1240-k9w7-tar.default for a 1240 series access point.
Step 4 Connect the PC to the access point using a Category 5 (CAT5) Ethernet cable.
Step 5 Disconnect power from the access point.
Step 6 Press and hold MODE while you reconnect power to the access point.
Step 7 Hold the MODE button until the status LED turns red (approximately 20 to 30 seconds) and then release.
Step 8 Wait until the access point reboots, as indicated by all LEDs turning green followed by the Status LED blinking green.
Step 9 After the access point reboots, reconfigure it using the GUI or the CLI.
From this doc;
http://www.cisco.com/en/US/products/hw/wireless/ps430/prod_technical_reference09186a00804fc3dc.html#wp161272
Hope this helps!
Rob

871 with 2 1100 Aironet Repeaters

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