[Openswan Users] Hi a problem about disconnection

[Spacelee]

my system : xl2tp + openswan + ppp + freeradius + mysql

I set simultaneous-use = 1 for a test account in freeradius to limit the
online of one account at the same time.
my problem is when my WiFi or Mac OS shutdown suddenly, there is no time for
client to send disconnect signal to the server, so that server will still
think the client is online, when the account try to log in next time, it
will meet authentication problem, as server thought it's already online.

in OpenVPN, there is an ping-restart 10 (client side) variable, which tell
server to ping the client every 10 seconds, and when server detect that
client is no longer there, openvpn server will tell freeradius this
information, so won't have authentication problem.

My question is in openswan or xl2tp, is there any configuration could reach
this same effect?

Thanks for your help.


-- 
*Space Lee*
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