On 4/15/2019 2:38 AM, pei Jikui wrote:
hi,

During the initialization of ovs, lots of interfaces such as gre_sys,genev_sys,vxlan_sys will be created and could be shown by "ip a".

My question is , why does ovs create these interfaces and how it uses them in which kinds of scenarios?

The Linux kernel has "fully backed" devices for net name spaces. These are those devices.

- Greg


Much thanks.



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