05-07-2010 08:31 AM - edited 07-03-2021 06:47 PM
We are using WCS ver 6.0.170.0 and WLC ver 4.2.207.0.
What is the best method to use for limiting SSID propagation ie WLAN override or AP Groups?
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05-07-2010 08:44 AM
Hi Andrew,
With WLC 4.2 .x.x you would be using WLAN override I believe
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/docs/wireless/controller/4.0/configuration/guide/c40wlan.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;
In 5.x and 6.x versions you will use AP Groups, because in WLC 5.x versions, WLAN Override has been replaced with the "AP Groups" feature;
Creating Access Point Groups
After all access points have joined the controller, you can create up to 150 access point groups and assign up to 16 WLANs to each group. Each access point advertises only the enabled WLANs that belong to its access point group. The access point does not advertise disabled WLANs in its access point group or WLANs that belong to another group.
http://www.cisco.com/en/US/docs/wireless/controller/5.2/configuration/guide/c52wlan.html#wp1128591
To learn more about AP Groups check out George's excellent video
http://www.my80211.com/cisco-labs/2009/3/22/cisco-ap-group-nugget.html
Hope this helps!
Rob
05-07-2010 08:44 AM
Hi Andrew,
With WLC 4.2 .x.x you would be using WLAN override I believe
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/docs/wireless/controller/4.0/configuration/guide/c40wlan.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;
In 5.x and 6.x versions you will use AP Groups, because in WLC 5.x versions, WLAN Override has been replaced with the "AP Groups" feature;
Creating Access Point Groups
After all access points have joined the controller, you can create up to 150 access point groups and assign up to 16 WLANs to each group. Each access point advertises only the enabled WLANs that belong to its access point group. The access point does not advertise disabled WLANs in its access point group or WLANs that belong to another group.
http://www.cisco.com/en/US/docs/wireless/controller/5.2/configuration/guide/c52wlan.html#wp1128591
To learn more about AP Groups check out George's excellent video
http://www.my80211.com/cisco-labs/2009/3/22/cisco-ap-group-nugget.html
Hope this helps!
Rob
05-07-2010 05:07 PM
Thanks Rob for the shout out ...
05-11-2010 03:53 AM
We are using Wlan override and occasionally we notice that the WLAN IDs and WLAN profiles get mixed up.
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