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Your software release may not support all the features documented in this module. For the latest feature information and caveats, see the release notes for your platform and software release. To find information about the features documented in this module, and to see a list of the releases in which each feature is supported, see the Feature Information Table at the end of this document.
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After you create up to 512 WLANs on the switch, you can selectively publish them (using access point groups) to different access points to better manage your wireless network. In a typical deployment, all users on a WLAN are mapped to a single interface on the switch. Therefore, all users that are associated with that WLAN are on the same subnet or VLAN. However, you can choose to distribute the load among several interfaces or to a group of users based on specific criteria such as individual departments (such as Marketing) by creating access point groups. Additionally, these access point groups can be configured in separate VLANs to simplify network administration.
In the figure, three configured dynamic interfaces are mapped to three different VLANs (VLAN 61, VLAN 62, and VLAN 63). Three access point groups are defined, and each is a member of a different VLAN, but all are members of the same SSID. A client within the wireless SSID is assigned an IP address from the VLAN subnet on which its access point is a member. For example, any user that associates with an access point that is a member of access point group VLAN 61 is assigned an IP address from that subnet.
In the figure, the switch internally treats roaming between access points as a Layer 3 roaming event. In this way, WLAN clients maintain their original IP addresses.
After all access points have joined the switch, you can create 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.
How to Configure Access Point Groups
You must have administrator privileges to perform this operation.
1. configure terminal
2. ap group ap-group-name
3. wlan wlan-name
4. (Optional) vlan vlan-name
5. end
This example shows how to create an AP group:
Switch# configure terminal Switch(config-apgroup)# ap group test-ap-group-16 Switch(config-wlan-apgroup)# wlan test-ap-group-16 Switch(config-wlan-apgroup)# vlan VLAN1300
You must have administrator privileges to perform this operation.
1. ap name ap-name ap-group-name ap-group
You must have administrator privileges to perform this operation.
1. show ap groups [extended ]
Related Topic | Document Title |
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WLAN commands | WLAN Command Reference, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) |
Lightweight Access Point configuration | Lightweight Access Point Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) |
Lightweight Access Point commands | Lightweight Access Point Command Reference, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) |
Description | Link |
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To help you research and resolve system error messages in this release, use the Error Message Decoder tool. |
https://www.cisco.com/cgi-bin/Support/Errordecoder/index.cgi |
MIB | MIBs Link |
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All supported MIBs for this release. | To locate and download MIBs for selected platforms, Cisco IOS releases, and feature sets, use Cisco MIB Locator found at the following URL: |
Description | Link |
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This table lists the features in this modules and provides links to specific configuration information.
Feature Name | Release | Feature Information |
---|---|---|
AP Groups | Cisco IOS XE 3.2SE | This feature was introduced. |