Disabling security groups

Hello, Is there any way to disable security groups in an advanced zone so we can adda L2 Network? Thanks

Re: VM's are slow

NFS (over the network) + HDD = slow as expected. In Linux, during some IO work (yum update or similar), try to observe the IO waiting time (top / wa parameter) - if high enough it will confirm CPU waiting for IO to complete = slow storage. Anyway, with inside VM tools, try to see WHAT is the probl