Which is the same as the 25MB/s mentioned. The ACS VF can easily pass 3gpbs of traffic, but you need to change the network offering.
Regards Alex -----Original Message----- From: Wei ZHOU <ustcweiz...@gmail.com> Sent: 27 September 2021 20:16 To: users <users@cloudstack.apache.org> Subject: Re: Slow VirtualRouter/NAT (25MB/s) Hi Nathan, If you use the default network offering 'Offering for Isolated networks with Source Nat service enabled', the Network Rate (Mb/s) is 200. -Wei On Mon, 27 Sept 2021 at 19:15, Nathan McGarvey <nathanmcgar...@gmail.com> wrote: > All, > Has anyone had issues with throughput on a NATed topology being > limited to almost exactly 25MB/s? (ACS 4.15.0.0 on KVM RHEL/CentOS > 8.X) > > E.g. > VM on hypervisor -> Virtual Router NAT -> public > > > I get 25MB/s when doing a /dev/shm/ file copy to a /dev/null over SCP > on a 1G network. (E.g. scp /dev/shm/bigfile publichost:/dev/null) > > It isn't CPU pegged, and operates the same among VMs with different > resources (RAM/CPU) available. > > The same copy from the underlying hypervisor is 112MB/s (which is > fairly ideal/normal on an unloaded 1G network.) > > The same copy from the systemvm itself is also significantly slower > (40MB/s or less) > > > The compute offerings have no known bandwidth restrictions. > > > Just wondering if folks actually have achieved gigabit (or preferably > more for supporting 10G throughput.) speed from a NATed VM. > > > Thanks, > -Nathan McGarvey >
