newbie to wireless help reading aironet 1230G

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Mar 27th, 2008
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hi i am new to wireless . i have cisco aironet ap 1230G. i want to know does this ap support having dual radios by which i can use this as ap to clients as well use as a bridge talking to a another ap.


anyone on the same would be great.


regards


sushil

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Rob Huffman Thu, 03/27/2008 - 11:06
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Hi Sushil,


The AP you are referring to can be modified to add an "A" Radio. Then you could configure the two radios (B/G and A) to perform the differing functions;


Cisco Aironet 1200 Series Access Point Hardware Installation Guide,


Upgrading the 5-GHz Radio Module


http://www.cisco.com/en/US/docs/wireless/access_point/1200/installation/guide/120h_5.html


http://www.cisco.com/en/US/docs/wireless/access_point/1200/radio/upgrade/guide/12rupgrd.html


Link-Role Flexibility


Autonomous access points can function as an access point or bridge, whether set up as a single-band or dual-band platform, allowing each radio to be individually configured as an access point repeater, root bridge, non-root bridge, or workgroup bridge, enabling a broad array of applications.


http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps6108/product_data_sheet0900aecd801b9068.html


Hope this helps!

Rob

sushilmenon Thu, 03/27/2008 - 12:24
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hi mate thanks a lot for ur reply. u mean to sa i can do the thing i was asking right without buying any radio module for the same.


so i should configure one radio on b/g and other radio as a right . then i should be able to use it right.


pls confirm on the same.


regards


sushil

sushilmenon Thu, 03/27/2008 - 13:01
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hi mate i checked on my acces point. it;s a 1231 access point model.


and in the interface tab i can see the ethernet interface and the radio0 interface . and it also says radio 1 not installed.


does it mean i will have to buy a seperate radio1 for using both the functions of access-point and bridge at the same time.


can u pls help me on this.


waiting for ur reply.


regards


sushil

Rob Huffman Thu, 03/27/2008 - 13:14
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Hi Sushil,


Yes, sorry my first reference was not very clear. Your 1231 only has a b/g radio so the link I sent shows how to add the newly purchased "A" radio module (as nicely noted by Chris). Then you will be able to set things up the way you want :)


Hope this helps!

Rob

sushilmenon Thu, 03/27/2008 - 14:37
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hi rob can i just buy the radio seperately.


regards


sushil

Rob Huffman Thu, 03/27/2008 - 15:49
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Hi Sushil,


You can order the "A" Radio seperately. Here are the two part numbers. One is an Integrated Antenna and one has Dual connectors for use with External Antennas;


Integrated diversity antennas.


PART # AIR-RM21A-x-K9


Regulatory domains: (x = regulatory domain)


• A = FCC


• C = China


• E = ETSI


• I = Israel


• J = Japan


• K = Korea


• N = North America (excluding FCC)


• P = Japan2


• S = Singapore


• T = Taiwan



Dual RP-TNC connectors. Antennas sold separately.


PART # AIR-RM22A-x-K9


http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps430/product_data_sheet0900aecd801b91d4.html


Hope this helps!

Rob

sushilmenon Sat, 03/29/2008 - 13:13
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hi rob thanks for ur help and ur support mate.


mate i would like to ask u one thing.


i read in the cisco doc we can also use the access-point a root or non-root bridge with clients.


for using the access-point as above do i still need 2 radio;s on the access-point .


can u help me on this


thanks a lot mate.


regards


sushil

Rob Huffman Sat, 03/29/2008 - 16:09
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Hi Sushil,


You are most welcome :) If you wanted to setup a Root-Bridge with clients you would really want the two radios. For example you can use the A radio for Bridging and the b/g radio for client connections;


Set the Non-Root with this config ***Non-Root Bridge with Wireless clients***;


Q. What devices can associate with a bridge?


A. Root Bridge:


Accepts associations and communications with non-root bridge devices and clients.

Does not communicate with other root bridge devices.

Communicates with multiple non-root bridge devices.


Non-Root Bridge:


Can associate and communicate with root devices or clients.

Does not communicate with other non-root devices, unless the other non-root devices communicates with the root bridge.

Note: Both the root bridge and the non-root bridge will service clients only if the role in the radio network Root Bridge with Wireless Clients or ***Non-Root Bridge with Wireless clients*** is supported by the bridge and is enabled.


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a008015502c.shtml#q10


Nice Step by Step;


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a008058f53e.shtml#new1


Hope this helps!

Rob


sushilmenon Sat, 03/29/2008 - 16:18
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hi rob thanks a lot man for ur detailed explaination man.


mate can u pls tell me when we can have bridges support having clients connected to them is there any benfit of clients connecting to pure access-points.


i mean is there any different in that. or is that when the bridge is supporting clients one of it;s radio is working as a access-point and other as bridge.


pls help me understand this.


thanks a lot once again.


regards


sushil

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