Additional static address and default gateway.

[Christoph Bartoschek <bartoschek or uni-bonn de>]

Hi,

I have one ethernet network where a DHCP server gives the standard data 
but I also have a static address and a different default gateway using 
the static address.

How can I configure network manager to add the static address and change 
the default gateway each time I am in the given network?

Thanks
Christoph