Cookie is enough, I just think two field matches can avoid false del-flows.
-----邮件原件----- 发件人: Ben Pfaff [mailto:b...@ovn.org] 发送时间: 2019年7月18日 11:34 收件人: Yi Yang (杨燚)-云服务集团 <yangy...@inspur.com> 抄送: ovs-discuss@openvswitch.org; ovs-...@openvswitch.org 主题: Re: 答复: 答复: [ovs-discuss] How can I delete flows which match a given cookie value? Hmm. I can see how that would be inconvenient. If you have control over the cookies, and enough space in them, then you could encode the (16-bit) priority as part of the (64-bit) cookie. On Thu, Jul 18, 2019 at 12:18:55AM +0000, Yi Yang (杨燚)-云服务集团 wrote: > 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:b...@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 <yangy...@inspur.com> > 抄送: ovs-discuss@openvswitch.org; ovs-...@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@localhost ~]$ sudo ovs-ofctl -Oopenflow10 add-flow br-int > > "table=0,cookie=0x1234,priority=10000,icmp,actions=drop" > > [yangyi@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@localhost ~]$ sudo > > ovs-ofctl -Oopenflow10 --strict del-flows br-int > > "table=0,cookie=0x1234/-1,priority=10000" > > [yangyi@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@localhost ~]$ > > > > -----邮件原件----- > > 发件人: Ben Pfaff [mailto:b...@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 <yangy...@inspur.com> > > 抄送: ovs-discuss@openvswitch.org; ovs-...@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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