> But I can't remove it, viz.. > [midget 22:27] ~ >sudo ifconfig fxp0 delete 2002:792d:8527::1:1/64 > ifconfig: 2002:792d:8527::1:1/64: bad value Try ifconfig fxp0 inet6 delete 2002:792d:8527::1:1 I think you need the address family in there and no netmask on the end. That certainly stops the error for me here. -pete.