Brocade Communications Systems RFS6000 System Reference Manual page 322

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2. Select the Peer Statistics tab.
3. Refer to the following information within the Peer Statistics tab:
Peer IP Displays the IP addresses of the peer switches within the mobility domain. Each peer can support up to 500 Clients.
JOIN Events Displays the number of JOIN messages sent and received. JOIN messages advertise the presence of Clients entering
sent/rcvd the mobility domain for the first time. When a client (currently not present in the client database) associates with a
switch, it immediately sends a JOIN message to the host switch with MAC, VLAN and IP information (both current and
home switch IP info). The home switch forwards the JOIN to all its peers (except the one from which it received the
original message). JOIN messages are always originated by the current switch. JOIN messages are also used during
the home switch selection phase to inform a candidate home switch about a client. The current switch selects the
home switch (based on its local selection mechanism) and sends a JOIN message to the home switch that is
forwarded it to all its peers.
LEAVE Events Displays the number of LEAVE messages sent and received. LEAVE messages are sent when the switch decides a
sent/rcvd client originally present in the client database is no longer present in the mobility domain. The criterion to determine
the client has actually left the network is implementation specific. The current switch sends the LEAVE message with
the client's MAC address information to the home switch, which eventually forwards the message to each mobility
peer.
L2-ROAMs Displays the number of Layer 2 ROAM messages sent and received. When a client roams to a new switch on a
sent/rcvd different layer 3 network (client is mapped to a different VLAN ID), it sends a L3-ROAM message to the home switch
with the new IP information for the current switch it is associated with. The L3-ROAM message is then forwarded by
the home switch to each peer.
L3-ROAMs Displays the number of Layer 3 ROAM messages sent and received. When a client roams to a new current switch (on
sent/rcvd the same layer 3 subnet as the old current switch), it sends a L2-ROAM message to the old home switch with the
new home switch-IP and current switch-IP information. This L2-ROAM message is then forwarded by the old home
switch to each peer.
4. Click the Clear Statistics button to remove the data displayed for the selected peer IP address.
310 Brocade Mobility RFS4000, RFS6000, and RFS7000 System Reference Guide
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