I am in centos7 with RDO put it inside a virtual machine, installed after I change the default routing gateway to virtual machine centos gateway, for instance the floating IP, security group also allows the icmp
But the instance is the ping of the virtual machine or my physical machine, the virtual machine also can't instance, between two instances can ping
I see online said it is not the same as the gateway, I this has changed as, steps, too, with a book to solve how to modify
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