670| IP Mobility AOS-W 6.5.3.x| User Guide
In the WebUI
1. Navigate to the Monitoring > switch > Clients page.
2. Click Status. The mobility state section contains information about the user locations.
In the CLI
show ip mobile trail <ip-address>|<mac-address>
HA Discovery on Association
In normal circumstances, a switch performs an HA discovery only when it is aware of the client’s IP address
which it learns through the ARP or any L3 packet from the client. This limitation of learning the client’s IP and
then performing the HA discovery is not effective when the client performs an inter switch move silently (does
not send any data packet when in power save mode). This behavior is commonly seen with various handheld
devices, Wi-Fi phones and so on. This delays HA discovery and eventually results in any loss of downstream
traffic that is meant for the mobile client.
When HA discovery on association is triggered, the foreign agent switch to which the client is associated, sends
a unicast request to all switches within the mobility domain to find if any one of the switches has the IP
mobility state information of the client.
With HA discovery on association, a switch can perform a HA discovery as soon as the client is associated. This
feature is enabled by default. This option will also poll for all potential HAs.
In the CLI
To configure the mobility association:
wlan virtual-ap default ha-disc-onassoc
Configuring Advanced Mobility Functions
You can configure various parameters that pertain to mobility functions on a switch in a mobility domain using
either the WebUI or the CLI.
In the WebUI
1. Navigate to the Configuration > Advanced Services > IP Mobility page.
2. Select the Global Parameters tab.
3. Configure your desired IP mobility settings. Table 150 describes the parameters you can configure on the
Global Parameters tab.
Parameter Description
General
Encapsulation
Supported
This parameter shows the type of encapsulation currently supported on the
switch.
Clear Trail Entries Clear the station location trail table. You can view entries in this table using the
show ip mobile trail command.
Clear Mobility Counters Clear counters for IP mobility statistics.
Table 150: IP Mobility Configuration Parameters
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