Brocade Communications Systems RFS6000 System Reference Manual page 319

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NOTE
When using Layer 3 Mobility ensure that TCP traffic on port 58788 is allowed on the network(s)
where mobile units will be roaming from and to.
To configure Layer 3 Mobility for the switch:
1. Select Services > Layer 3 Mobility from the main menu tree.
2. Select the Use Default Management Interface checkbox to use the switch's default
3. If wanting to use a local IP addresses (non switch management interface) for Clients roaming
4. Use the Roam Interval to define maximum length of time Clients within selected WLAN are
5. Refer to the table of WLANs and select the checkboxes of those WLANs you wish to enable
Brocade Mobility RFS4000, RFS6000, and RFS7000 System Reference Guide
53-1002515-01
Data traffic for roamed Clients is tunneled between switches by encapsulating the entire Layer
2 packet inside GRE with a proprietary code-point.
When Clients roam within the same VLAN (Layer 2 Roaming), the behavior is retained by
re-homing the client to the new switch so extra hops are avoided while forwarding data traffic.
Clients can be assigned IP addresses statically or dynamically.
Forward and reverse data paths for traffic originating from and destined to Clients that have
roamed from one Layer 3 subnet to another are symmetric.
The Layer 3 Mobility screen appears with the Configuration tab displayed.
management interface IP address for Clients roaming amongst different Layer 3 subnets. The
IP address displayed to the right of the checkbox is used by Layer 3 client traffic.
amongst different Layer 3 subnets, select the Use this Local Address checkbox and enter an IP
address.
allowed to roam amongst different subnets.
Layer 3 mobility for.
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