+grml dns=8.8.8.8,8.8.4.4 Set DNS resolvers during boot and for live system.
+grml ip=... Standard Linux kernel ip= boot option. Arguments:
+ clientip:nfsserverip:gwip:netmask:hostname:device:autoconf
+ Valid values for autoconf: off, on, dhcp, bootp, rarp, both.
+ Almost everything is optional. Most common form: ip=dhcp