[ovs-discuss] 答复: icmp packet
Ben Pfaff
blp at nicira.com
Tue Mar 24 03:46:16 UTC 2015
On Tue, Mar 24, 2015 at 02:06:04AM +0000, Duankebo (Frank) wrote:
> Thank you Ben.
>
> Yes, we can packetIn the ping request packet to Openflow controller, which packet out a response then.
>
> But for every ping request packet, the controller have to packetIn/packetOut the packet, imaging large scale datacenter where there are many hosts
>
> which may send ping request to virtual address(means address don't exist physically and need Controller/switch to process the icmp request),
>
> the controller will become a choke point.
>
> So we are looking for better ways that the ping request can be responsed by the vSwitch.
It's a reasonable request, and this feature will be useful to other
software too (including the upcoming OVN), so we'd take a patch to
implement this.
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