Cisco VPN client disconnects – Reason 422: Lost contact with the security gateway.

I was going crazy trying to figure out why my Cisco VPN connection was dropping on my Macbook Pro over a Sprint 3g EVDO connection.

I found a blog post here that said it was due to Parallels networking. I have both Virtualbox and Fusion installed but only Fusion had active network interfaces when i ran ifconfig.

It showed vmnet8 and vmnet10 as active when i ran ifconfig.

So after some poking around and trying a few scripts in /Library/Application Support/VMware Fusion/ I found the script vmnet-apps.sh  which did the trick, issuing the command sudo ./vmnet-apps.sh –stop

VMware Fusion$ sudo ./vmnet-apps.sh –stop### Stopping networking …Stopped DHCP service on vmnet1

Disabled host only virtual adapter on vmnet1

Stopped DHCP service on vmnet8

Stopped NAT service on vmnet8

Disabled hostonly virtual adapter on vmnet8

Stopped all configured services on all networks

==

after that I was able to maintain a VPN connection fine.

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