[ovs-discuss] UFID - is flow ufid persistent ?
Darrell Ball
dball at vmware.com
Wed May 17 14:38:13 UTC 2017
ufid is derived from a hash of the flow key, so the value of ufid is “consistent”
On 5/17/17, 1:33 AM, "ovs-discuss-bounces at openvswitch.org on behalf of Avi Cohen (A)" <ovs-discuss-bounces at openvswitch.org on behalf of avi.cohen at huawei.com> wrote:
TWIMC - Solved - the answer is yes.
Just add flow in open-flow and make it installed in dp , then evicted , then reinstalled - the ufid is the same.
> -----Original Message-----
> From: Avi Cohen (A)
> Sent: Wednesday, 17 May, 2017 9:41 AM
> To: 'ovs-discuss at openvswitch.org'
> Subject: UFID - is flow ufid persistent ?
>
> Hello,
> Please can you help with this short question:
> Is the unique flow identifier (ufid) persistent ?
> i.e. flow-a is in dp-cache with ufid = 1000, then the flow is evicted from dp-
> cache , and after 5 minutes the same flow-a is reinstalled in dp-cache. The
> question - is flow-a is being assigned ufid = 1000 again ?
> Best Regards
> avi
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