Of late, I have been repeatedly getting an "Error 51" when starting up my VPN client on MacOS X Leopard. The complaint seems to be that the VPN subsystem can't bind to a network interface.
A quick Google search turned up this awesome blog entry, and from there, the workaround is pretty simple. Restart the VPN subsystem with:
Sadly, this does seem to be an annoyance with Cisco's VPN client under Leopard when interfaces are changing -- adding/dropping an Ethernet port, say. I agree with the aforementioned blog's opinion that, being that telecommuters are mostly the ones using this client, it's pretty sad that the client can't seem to deal with changes in the system's network configuration.
In any event, the fix works -- filing this away for future reference.
A quick Google search turned up this awesome blog entry, and from there, the workaround is pretty simple. Restart the VPN subsystem with:
sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart
Sadly, this does seem to be an annoyance with Cisco's VPN client under Leopard when interfaces are changing -- adding/dropping an Ethernet port, say. I agree with the aforementioned blog's opinion that, being that telecommuters are mostly the ones using this client, it's pretty sad that the client can't seem to deal with changes in the system's network configuration.
In any event, the fix works -- filing this away for future reference.
Update: Found another site with a pre-compiled AppleScript application you can just run from the dock/bar. Thanks so much for this!
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