User's Manual

Using the Mobility Services Menu

Installation and User Guide: Airgo Access Point 231

Figure 168: Layer-3 Roaming Using VLANs

Layer-3 Mobility Using Tunneling

To use the tunneling approach for Layer-3 Mobility, it is necessary to have a network with multiple

subnets in wireless proximity. When a client in a subnet moves to another subnet, a handshake

takes place and a tunnel is created between the two APs (Figure 169).

A0060

User-Dir

IP Routerw/DHCP Relay Agent

VLAN Switch

Example: Cisco 3600 Router/Switch

L3 Roaming

STA2: 192.168.90.200/24STA2: 192.168.90.200/24

L3 Roaming

STA1: 192.168.88.100/24

MGMT-VLANCORP-VLAN

192.168.88.0/24

CORP-VLANCORP-VLAN

192.168.90.0/24

MGMT-VLANCORP-VLAN

RADIUS Server

(EAP-TLS or

EAP-PEAP)

DHCP Server

(Serving both

IP subnets)

Admin

Network

Corp

Network

NOC