RF aggregation

Answered Question
Jun 6th, 2007
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Hello,


Can an AP1100 function as a WDS capable of RF aggregation ?


Thanks.


Correct Answer by Rob Huffman about 10 years 1 month ago

Hi Navid,


The 1100 Series AP can be set up for WDS. Have a look at how the WDS AP participates in RM Management;


The WDS provides control path technologies that must be active on an AP in each AP subnet; a backup WDS can also be defined in each AP subnet. The WDS provides:


Fast, secure layer-2 wireless client roaming The WDS acts as an 802.1x authenticator for wireless clients within the layer-2 network.


Radio Management (RM) data aggregation The WLSE provides intelligent processing of aggregated data collected by the WDS access points from other wireless clients in the network. The WLSE can manage multiple subnets, so it can receive radio data from many APs running WDS.


There is no RM data aggregation without a WDS.


From this doc;


http://www.cisco.com/en/US/products/sw/cscowork/ps3915/products_user_guide_chapter09186a0080527f1f.html#wp1617750


What is the role of the WDS device in the wireless LAN (WLAN) network?


The WDS device performs these tasks on your WLAN:


Advertises WDS capability and participates in an election of the best WDS device for your WLAN. When you configure your WLAN for WDS, you set up one device as the main WDS candidate and one or more additional devices as backup WDS candidates. If the main WDS device goes offline, one of the backup WDS devices takes the place of the main device.


Authenticates all APs in the subnetwork and establishes a secure communication channel with each of the APs

Collects radio data from APs in the subnetwork, aggregates the data, and forwards the data to the Wireless LAN Solution Engine (WLSE) device on your network.


Registers all client devices in the subnetwork, establishes session keys for the client devices, and caches the client security credentials. When a client roams to another AP, the WDS device forwards the client security credentials to the new AP.


From this doc;


Wireless Domain Services FAQ


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a00804d4421.shtml#qa6


1100 Series AP - Configuring WDS, Fast Secure Roaming, and Radio Management


http://www.cisco.com/en/US/docs/wireless/access_point/12.3_2_JA/configuration/guide/s32roamg.html


Hope this helps!

Rob

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Correct Answer
Rob Huffman Thu, 06/07/2007 - 05:58
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Hi Navid,


The 1100 Series AP can be set up for WDS. Have a look at how the WDS AP participates in RM Management;


The WDS provides control path technologies that must be active on an AP in each AP subnet; a backup WDS can also be defined in each AP subnet. The WDS provides:


Fast, secure layer-2 wireless client roaming The WDS acts as an 802.1x authenticator for wireless clients within the layer-2 network.


Radio Management (RM) data aggregation The WLSE provides intelligent processing of aggregated data collected by the WDS access points from other wireless clients in the network. The WLSE can manage multiple subnets, so it can receive radio data from many APs running WDS.


There is no RM data aggregation without a WDS.


From this doc;


http://www.cisco.com/en/US/products/sw/cscowork/ps3915/products_user_guide_chapter09186a0080527f1f.html#wp1617750


What is the role of the WDS device in the wireless LAN (WLAN) network?


The WDS device performs these tasks on your WLAN:


Advertises WDS capability and participates in an election of the best WDS device for your WLAN. When you configure your WLAN for WDS, you set up one device as the main WDS candidate and one or more additional devices as backup WDS candidates. If the main WDS device goes offline, one of the backup WDS devices takes the place of the main device.


Authenticates all APs in the subnetwork and establishes a secure communication channel with each of the APs

Collects radio data from APs in the subnetwork, aggregates the data, and forwards the data to the Wireless LAN Solution Engine (WLSE) device on your network.


Registers all client devices in the subnetwork, establishes session keys for the client devices, and caches the client security credentials. When a client roams to another AP, the WDS device forwards the client security credentials to the new AP.


From this doc;


Wireless Domain Services FAQ


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_q_and_a_item09186a00804d4421.shtml#qa6


1100 Series AP - Configuring WDS, Fast Secure Roaming, and Radio Management


http://www.cisco.com/en/US/docs/wireless/access_point/12.3_2_JA/configuration/guide/s32roamg.html


Hope this helps!

Rob

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