[Engine-devel] Monitor host's Default Gateway

avi tal atal at redhat.com
Wed Mar 28 16:17:10 UTC 2012


Hi,
Detach host's interface that holds the Default Gateway would be very 
dangerous. there for Engine must start monitor who holds the default 
gateway.
It is true, a static IP interface can never add gateway (other than 
mgmt) due to CanDoAction but what about DHCP?

If a non-mgmt interface with DHCP got the gateway, Engine must know 
about it in order to protect connectivity to the host.

BTW, VDSM send these details in getCapabilities.

Bottom line, we should not limit other interfaces from holding gateway, 
not by statically or dhcp configuration. there is a reason why someone 
would like to have his gateway on a different interface than the mgmt. 
But non-mgmt interface that holds the gateway should be treated as mgmt 
interface when trying to remove or edit it.

Thanks





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