[ovs-dev] 答复: 答复: [ovs-discuss] How can I delete flows which match a given cookie value?

Yi Yang (杨燚)-云服务集团 yangyi01 at inspur.com
Thu Jul 18 00:18:55 UTC 2019


Got it, thanks Ben, I want to use cookie and priority to del-flows, but only --strict option can handle priority. So I only can use cookie to del-flows in batch, --strict only can delete one flow.

sudo ovs-ofctl -Oopenflow13 del-flows br-int "cookie=0x01/-1,priority=1"
ovs-ofctl: unknown keyword priority

-----邮件原件-----
发件人: Ben Pfaff [mailto:blp at ovn.org] 
发送时间: 2019年7月18日 2:02
收件人: Yi Yang (杨燚)-云服务集团 <yangyi01 at inspur.com>
抄送: ovs-discuss at openvswitch.org; ovs-dev at openvswitch.org
主题: Re: 答复: [ovs-discuss] How can I delete flows which match a given cookie value?

--strict means that only exact matches are deleted, so add 'icmp' to your del-flows command to delete the flow.

On Wed, Jul 17, 2019 at 03:35:09AM +0000, Yi Yang (杨燚)-云服务集团 wrote:
> Ben, I found del-flows ran successfully but the flows aren't deleted, what's wrong?
> 
> [yangyi at localhost ~]$ sudo ovs-ofctl -Oopenflow10 add-flow br-int "table=0,cookie=0x1234,priority=10000,icmp,actions=drop"
> [yangyi at localhost ~]$ sudo ovs-ofctl -Oopenflow10 dump-flows br-int                 
> NXST_FLOW reply (xid=0x4):
>  cookie=0x1234, duration=3.994s, table=0, n_packets=0, n_bytes=0, 
> idle_age=3, priority=10000,icmp actions=drop [yangyi at localhost ~]$ sudo ovs-ofctl -Oopenflow10 --strict del-flows br-int "table=0,cookie=0x1234/-1,priority=10000"
> [yangyi at localhost ~]$ sudo ovs-ofctl -Oopenflow10 dump-flows br-int                 
> NXST_FLOW reply (xid=0x4):
>  cookie=0x1234, duration=49.866s, table=0, n_packets=0, n_bytes=0, 
> idle_age=49, priority=10000,icmp actions=drop [yangyi at localhost ~]$
> 
> -----邮件原件-----
> 发件人: Ben Pfaff [mailto:blp at ovn.org]
> 发送时间: 2019年7月17日 1:04
> 收件人: Yi Yang (杨燚)-云服务集团 <yangyi01 at inspur.com>
> 抄送: ovs-discuss at openvswitch.org; ovs-dev at openvswitch.org
> 主题: Re: [ovs-discuss] How can I delete flows which match a given cookie value?
> 
> On Tue, Jul 16, 2019 at 09:35:06AM +0000, Yi Yang (杨燚)-云服务集团 wrote:
> > I need to add and delete flows according to user operations, I know 
> > openflowplugin in Opendaylight can do this, but it seems “ovs-ofctl 
> > del-flows” can’t do this way, why can’t cookie value be used to do 
> > this for “ovs-ofctl del-flows”?
> > 
> >  
> > 
> > sudo ovs-ofctl -Oopenflow13 --strict del-flows br-int "table=2,cookie=12345"
> 
> To match on a cookie, specify a mask, e.g. cookie=12345/-1.




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