[pve-devel] qemu nat mode and rate limiting ?

Dietmar Maurer dietmar at proxmox.com
Tue Mar 5 09:53:28 CET 2013


> > Hostside: Allow IPv4 forwarding and add route to client (could be put
> > in a script - route has to be added after the client has started):
> >
> > sysctl -w net.ipv4.ip_forward=1                 # allow forwarding of IPv4
> > route add -host <ip-of-client> dev <tap-device> # add route to the
> > client
> >
> > Clientside: Default GW of the client is of course then the host
> > (<ip-of-host> has to be in same subnet as <ip-of-client> ...):
> >
> > route add default gw <ip-of-host>
> > "
> > Because I don't see ip address on tap, but only a route
> 
> Sure, we just need to add a correct route.
> 
> Not sure how to handle that when we migrate a VM.

AFAIK, the openvz networks scripts does some ARP tricks to make that work.



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