On 9/4/12 11:27 PM, "Mice Xia" <[email protected]> wrote:
>Hi, all > >I noticed when 'conserve mode' is not checked for a network offering, the >guest network created from this offering cannot do port forwarding and >load balance if sourceNat is enabled. >After checking network.js and wiki [1], I realized it was by design and >much complicated than document said: > 'Conserve mode. Indicate whether to use conserve mode. In this mode, >network resources are allocated only when the first virtual machine >starts in the network.' > >Can someone explain why 'conserve mode' behave this way? Thanks. > >[1] http://wiki.cloudstack.org/display/QA/Network+Offering > >Regards >Mice > Mice, this description is wrong, the documentation has to be fixed. Adding Jessica to the thread. Conserve mode ON means that all public ip addresses associated with this network, can be used for multiple purposes at the same time (PF/LB). When the mode is off, the ip can serve only one purpose at a time. For static nat it's quite different though. Doesn't matter if conserve mode is on or off, when static nat is enabled, no PF/LB rule can be created for the IP. Only Firewall rules can be added using createFirewallRule command. -Alena.
