Our VPN works perfect from any wired location in the world. It just seems to happen when my users go wireless. If they're wireless they connect fine and run programs like Lotus Notes. After a few minutes they just drop. Again we have determined this is anywhere using any wireless connection. One of my users actually thought he had it narrowed down to Starbucks :)
We have all flavors of wireless users (laptop, desktop, DSL, cable) so we have narrowed this down to a wireless only issue.
I am experiencing the same thing..We are running L2TP/IPSec for Microsoft VPN Wireless Laptops and the Controller is Cisco WLC 4100.The L2TP tunnel breaks after two hours.The session timeout on the Wireless SSID is 0(permanent) and setup for 3DES Encryption, HMAC-MD5, SA 57600.
I have tried upgrading the Controller Firmware, but the new firmware does not support L2TP and IPSec is the only option for Layer3 Security.
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
Go to Help > About and check the current version:
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...