Filtering WLANS from APs

Answered Question
Oct 10th, 2007
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Hello,


Is is possible to filter a WLAN from 1 or more APs? We have a requirement to add a open wlan to our network but don't want it available on all of our access points.

Correct Answer by Rob Huffman about 9 years 7 months ago

Hi Joseph,


There is an excellent feature that can help with this requirement;


Have a look at this info;


Enabling WLAN Override


By default, access points transmit all defined WLANs on the controller. However, you can use the WLAN Override option to select which WLANs are transmitted and which ones are not on a per access point basis. For example, you can use WLAN override to control where in the network the guest WLAN is transmitted or you can use it to disable a specific WLAN in a certain area of the network.


From this doc;


http://www.cisco.com/en/US/products/ps6366/products_configuration_guide_chapter09186a008076cbfd.html#wp1114777


Once you create a new WLAN, the WLAN > Edit page for the new WLAN appears. In this page you can define various parameters specific to this WLAN including General Policies, RADIUS Servers, Security Policies, and 802.1x Parameters.


**Check Admin Status under General Policies to enable the WLAN. If you want the AP to broadcast the SSID in its beacon frames, check Broadcast SSID.


Note: You can configure up to sixteen WLANs on the controller. The Cisco WLAN Solution can control up to sixteen WLANs for Lightweight APs. Each WLAN has a separate WLAN ID (1 through 16), a separate WLAN SSID (WLAN name), and can be assigned unique security policies. Lightweight APs broadcast all active Cisco WLAN Solution WLAN SSIDs and enforce the policies that you define for each WLAN.


From this good doc;


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a0080665d18.shtml#c3


Hope this helps!

Rob



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Correct Answer
Rob Huffman Wed, 10/10/2007 - 10:00
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Hi Joseph,


There is an excellent feature that can help with this requirement;


Have a look at this info;


Enabling WLAN Override


By default, access points transmit all defined WLANs on the controller. However, you can use the WLAN Override option to select which WLANs are transmitted and which ones are not on a per access point basis. For example, you can use WLAN override to control where in the network the guest WLAN is transmitted or you can use it to disable a specific WLAN in a certain area of the network.


From this doc;


http://www.cisco.com/en/US/products/ps6366/products_configuration_guide_chapter09186a008076cbfd.html#wp1114777


Once you create a new WLAN, the WLAN > Edit page for the new WLAN appears. In this page you can define various parameters specific to this WLAN including General Policies, RADIUS Servers, Security Policies, and 802.1x Parameters.


**Check Admin Status under General Policies to enable the WLAN. If you want the AP to broadcast the SSID in its beacon frames, check Broadcast SSID.


Note: You can configure up to sixteen WLANs on the controller. The Cisco WLAN Solution can control up to sixteen WLANs for Lightweight APs. Each WLAN has a separate WLAN ID (1 through 16), a separate WLAN SSID (WLAN name), and can be assigned unique security policies. Lightweight APs broadcast all active Cisco WLAN Solution WLAN SSIDs and enforce the policies that you define for each WLAN.


From this good doc;


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_configuration_example09186a0080665d18.shtml#c3


Hope this helps!

Rob



Robert Rowland III Wed, 10/10/2007 - 17:43
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yes,


modify the config of an ap one at a time or with templates. if you want to modify a number of APs templates are the best way.

select the radio - b/g or a

pick wlan override and select the wlans you want to offer.

It is a 2 step process- you have to enable wlan override first - reboot ap and then select the wlans you want.


if you do it with templates the wlan override is on the first page and then the AP selection is on the 4th tab. If you have not used templates send me a message and I will give you some screen shots.

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