On 25 September 2015 at 12:48, Willard Dennis <willard.den...@gmail.com> wrote: > Hi all, > > 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: > > -net udp,vlan=1,name=gns3-1,sport=10000,dport=10001,daddr=192.168.1.165 > > 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?
A bit of googling suggests that '-net udp' has never been supported in mainline QEMU -- it seems to be a local patch provided by the GNS3 folks. I suggest asking in whatever support forum they provide. thanks -- PMM