Hot Standby with AP1240AG

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Mar 29th, 2006
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Hello,

I have to configure an AP1242AG to working in a Hot Standby mode. The monitored AP is also an AP1242. However I am not using the Radio A interface so I disabled it but when the monitoring AP check the monitored AP, it detects the Radio A is down and so becomes active. Is it posssible to disable the monitoring of the Radio A ?

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Rob Huffman Thu, 03/30/2006 - 06:32
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Hi Georges,


Just a guess here, but perhaps you have the mac-address of the A radio entered on the Hot Standby? Check this out:


Access points using Cisco IOS software can be configured to support Hot Standby mode using the 2.4-GHz and 5-GHz radio interfaces.



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Note If your access point supports only one radio interface, provide the MAC address for that interface only.


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iapp standby mac-address

Puts the access point into standby mode and specifies the MAC address of radio on the monitored access point.


Note When you configure a 1200 Series access point with two radios to monitor a 1200 Series access point with two radios, you must enter the MAC addresses of both the monitored 2.4-GHz and 5-GHz radios. Enter the 2.4-GHz radio MAC address first, followed by the 5-GHz radio MAC address


http://www.cisco.com/en/US/products/hw/wireless/ps430/products_configuration_guide_chapter09186a00804e7cf6.html#wp1037487


Hope this helps!

Rob


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georgesmaes Mon, 04/03/2006 - 09:36
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Hi Rob,


Thank you for answering me.

Unfortunately, we must fill two mac adresses (one for the Radio G and one for the radio A) into the iapp standby "mac-address" command.


Georges.

Rob Huffman Mon, 04/03/2006 - 09:59
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Hi Georges,


No worries! In your first post you mentioned that you are not using the A radio. I think that you should delete the mac assigned to the A radio and the Hot standby will work properly. It is monotoring the A radio because of the iapp stadby mac-address that you are assigning to the A radio.Just assign the mac for the G radio.


Boy that sounds confusing!


Hope this helps!

Rob


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georgesmaes Tue, 04/04/2006 - 01:00
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Hi Rob,


In the monitored AP, the Radio A is shutdown.

In the monitoring AP, the Radio A is shutdown too.

On the monitoring AP, when I type the command: iapp standby @MAC_Radio_G_of_monitored_AP then the system answers me: incomplete command because it is waiting for the second Mac address.

If you think I am wrong, can you send me the command you think good.


Thanks a lot,


Georges.

Rob Huffman Wed, 04/05/2006 - 06:46
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Hi Georges,


Sorry for the delay in getting back to you. I have read a number of documents on this subject since my last post and have come to see that there are some differences depending on which doc you read.Here is the example:


Note: If your access point supports only one radio interface, provide the MAC address for that interface only.


From this older doc:


http://www.cisco.com/univercd/cc/td/doc/product/wireless/airo1200/accsspts/tool3ios/mt_c2.htm#wp1036865


iapp standby mac-address

Puts the access point into standby mode and specifies the MAC address of radio on the monitored access point.


Note When you configure a 1200 Series access point with two radios to monitor a 1200 Series access point with two radios, you must enter the MAC addresses of both the monitored 2.4-GHz and 5-GHz radios. Enter the 2.4-GHz radio MAC address first, followed by the 5-GHz radio MAC address.


From this newer doc for 12.3(7)JA:


http://www.cisco.com/en/US/products/ps5861/products_configuration_guide_chapter09186a00804ed72a.html#wp1055446


I think I would go with the newer doc. Can you try entering the macs for both A and G radios, enabling the A radios but only setting the Data rates for the G radio. Maybe this would work. I'm at a loss for anything beyond this, and the documentation has left me with more questions than answers.


Hope this helps! Let me know how you make out.

Thanks Rob

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