This object allows user to enable or disable
Symmetric mobility tunneling for the controller.
The controller provides inter-subnet mobility
for clients roaming from one AP to another within
a Wireless LAN. This mobility is asymmetric in
nature where the client traffic to the wired
network is routed out directly via the 'foreign'
controller. See the diagram above. This mechanism
breaks when an upstream router has RPF enabled.
In this case the client traffic will be dropped
at the router because the RPF check ensures that
the path back to the source address matches the
path the packet is coming from.
This attribute is aimed at addressing this issue.
It will allow enabling 'Symmetric Mobility
Tunneling' or 'Bi-directional Tunneling'
for mobile clients such that all the client
traffic is sent to the 'anchor' controller and
go successfully through RPF check.
When set to 'true', Symmetric Mobility Tunneling
will be enabled on the Controller on next reset.
When set to 'false', Symmetric Mobility Tunneling
will be disabled on the Controller on next reset.
After setting this attribute to the desired value,
user should reset the Controller for the change to
take effect.