Parameter Description
Foreign Agent
lifetime Requested lifetime, in seconds, as per RFC 3344, IP Mobility Support for IPv4.
Range: 10-65534 seconds
Default: 180 seconds
Max. Visitors Allowed Set a maximum allowed number of active visitors.
Range: 0-5000 visitors
Default: 5000 visitors
Registration Requests
Retransmits
Maximum number of times the foreign agent attempts mobile IP registration
message exchanges before giving up.
Range: 0-5 attempts
Default: 3 attempts
Registration Requests
Interval
Retransmission interval, in milliseconds.
Range: 100-10000 milliseconds
Default: 1000 milliseconds
Home Agent
Replay Time difference, in seconds, for timestamp-based replay protection, as described
by RFC 3344, IP Mobility Support for IPv4. 0 disables replay.
Range: 0-5000 seconds
Default: 5000 seconds.
Max. Binding Allowed Maximum number of mobile IP bindings. Note that there is a license-based limit
on the number of users and a one user per binding limit in addition to unrelated
users. This option is an additional limitation to control the maximum number of
roaming users. When the limit is reached, registration requests from the foreign
agent fail which causes a mobile client to set a new session on the visited switch,
which will become its home switch.
Range: 0-300 seconds
Default: 7 seconds
Proxy Mobile IP
Trigger Mobility on
Station Association
If enabled, mobility move detection is performed when the client associates with
the switch instead of when the client sends packets.
This option is enabled by default. Mobility on association can speed up roaming
and improve connectivity for devices that do not send many uplink packets out to
trigger mobility. The downside to this option is lowered security. An association
alone triggers mobility; however, this is irrelevant unless layer-2 security is
enforced.
Mobility Trail Logging Enables logging at the notification level for mobile client moves.
Roaming for
Authenticated Stations
Only
Allows a client to roam only if has been authenticated. If a client has not been
authenticated, no mobility service is offered if it roams to a different VLAN or
switch.
AOS-W 6.5.3.x | User Guide IP Mobility | 671
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