Using the CentOS 7 package of QEMU 2.0.0 ( package name = qemu-system-x86-2.0.0-1.el7.5.x86_64 ) and it's generally working fine. However, when I tried to use it with GNS3 (networking device emulation package) with a certain QEMU VM definition, it formed a directive in the QEMU command of the form of:
To which I'm getting the QEMU error:
Invalid parameter 'udp'
This syntax used to work in earlier versions of QEMU; it looks like the "-net udp,..." construct was added into QEMU back in early 2012 specifically to support the way GNS3 forms inter-VM network links. Can anyone here confirm that it has (or has not) been removed from QEMU as of version 2.0.0?
(BTW, I know the "-net ..." construct is marked as "legacy" now - see http://wiki.qemu.org/Documentation/Networking#The_legacy_-net_option
- but in my case, I have to use it due to the way that the VM operation was designed [for more details, see: http://docs.cumulusnetworks.com/display/VX/Using+GNS3+with+QEMU+and+KVM+Virtual+Machines