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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-29225-01
Chapter 14 Configuring VLANs
Configuring VLANs
Configuring a VLAN
Note When you configure VLANs on access points, the native VLAN must be VLAN1. In a single
architecture, client traffic received by the access point is tunneled through an IP-GRE tunnel, which is
established on the access point’s Ethernet interface native VLAN. Because of the IP-GRE tunnel, some
users may configure another switch port as VLAN1. This misconfiguration causes errors on the switch
port.
Configuring your access point to support VLANs is a three-step process:
1. Enable the VLAN on the radio and Ethernet ports.
2. Assign SSIDs to VLANs.
3. Assign authentication settings to SSIDs.
This section describes how to assign SSIDs to VLANs and how to enable a VLAN on the access point
radio and Ethernet ports. For detailed instructions on assigning authentication types to SSIDs, see
Chapter 11, “Configuring Authentication Types.” For instructions on assigning other settings to SSIDs,
see Chapter 7, “Configuring Multiple SSIDs.”
You can configure up to 16 SSIDs on the access point, so you can support up to 16 VLANs that are
configured on your LAN.
Beginning in privileged EXEC mode, follow these steps to assign an SSID to a VLAN and enable the
VLAN on the access point radio and Ethernet ports:
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface dot11radio 0 | 1 Enter interface configuration mode for the radio interface.
The 2.4-GHz radio and the 2.4-GHz 802.11n radio is 0.
The 5-GHz radio and the 5-GHz 802.11n radio is 1.