On Tue, Oct 15, 2019 at 04:11:16PM -0700, Gregory Rose wrote: > > On 10/15/2019 3:18 PM, PATEL Harsh wrote: > > Hey Ben, > > Thanks for your response. I am using Linux 4.1.52 os. And can you please > > tell me what happens when this Normal flows drops packet I mean which > > part is responsible for this failure. Because for some traffics like > > ipv4 unicast and ipv6 unicast this flow works. Just for icmpv6 it drops > > the packet. > > > > Could be your kernel - I'd try a newer one.
Do you have a reason to believe that? How OVS translates flows isn't too kernel version dependent. > > ------------------------------------------------------------------------ > > *From:* Ben Pfaff <[email protected]> > > *Sent:* Tuesday, October 15, 2019 1:30 PM > > *To:* PATEL Harsh <[email protected]> > > *Cc:* [email protected] <[email protected]> > > *Subject:* Re: [ovs-discuss] OVS drops icmpv6 packets for actions:NORMAL > > On Tue, Oct 15, 2019 at 07:22:11PM +0000, PATEL Harsh wrote: > > > Hi, > > > I have been using openvswitch version 2.8.2. And I haven't added any > > > flows to forward traffic. Just the default one that is as followed. > > With > > > this flow seems like my bridge BR_LAN drops incoming icmpv6 traffice > > > from LAN client. There is also detailed flow as follows in that it says > > > datapath actions: drop. I don't know why this is happening can you > > > please help me with that? > > > > > > ovs-ofctl dump-flows BR_LAN > > > cookie=0x0, duration=7210.426s, table=0, n_packets=117886, > > > n_bytes=85217235, priority=0 actions=NORMAL > > > > > > > > > Detailed flow for LAN client: > > > > > > ovs-appctl ofproto/trace BR_LAN dl_src=00:00:00:04:eb:d0,dl_dst= > > > 33:33:00:00:00:fb,dl_type=0x86dd > > > Flow: > > > ipv6,in_port=ANY,vlan_tci=0x0000,dl_src=00:00:00:04:eb:d0,dl_dst=33:33:00:00:00:fb,ipv6_src=::,ipv6_dst=::,ipv6_label=0x00000,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0 > > > > > > bridge("BR_LAN") > > > ---------------- > > > 0. priority 0 > > > NORMAL > > > > > > Final flow: unchanged > > > Megaflow: > > > recirc_id=0,eth,ipv6,in_port=ANY,vlan_tci=0x0000/0x1fff,dl_src=00:00:00:04:eb:d0,dl_dst=33:33:00:00:00:fb,ipv6_dst=::,nw_proto=0,nw_frag=no > > > Datapath actions: drop > > > > With recent OVS, I'm not seeing this problem: > > > > [bpfaff@sigfpe tutorial]$ ovs-vsctl add-br BR_LAN > > [bpfaff@sigfpe tutorial]$ ovs-vsctl add-port BR_LAN p0 > > [bpfaff@sigfpe tutorial]$ ovs-vsctl add-port BR_LAN p1 > > [bpfaff@sigfpe tutorial]$ ovs-vsctl add-port BR_LAN p2 > > [bpfaff@sigfpe tutorial]$ ovs-appctl ofproto/trace BR_LAN > > dl_src=00:00:00:04:eb:d0,dl_dst=33:33:00:00:00:fb,dl_type=0x86dd > > Flow: > > ipv6,in_port=ANY,vlan_tci=0x0000,dl_src=00:00:00:04:eb:d0,dl_dst=33:33:00:00:00:fb,ipv6_src=::,ipv6_dst=::,ipv6_label=0x00000,nw_proto=0,nw_tos=0,nw_ecn=0,nw_ttl=0 > > > > bridge("BR_LAN") > > ---------------- > > 0. priority 0 > > NORMAL > > -> no learned MAC for destination, flooding > > > > Final flow: unchanged > > Megaflow: > > recirc_id=0,eth,ipv6,in_port=ANY,dl_src=00:00:00:04:eb:d0,dl_dst=33:33:00:00:00:fb,nw_frag=no > > Datapath actions: 1,2,3,4 > > [bpfaff@sigfpe tutorial]$ > > > > I also don't see the problem when I go back to the latest 2.8.x. > > > > I wonder what's different about your setup. > > ------------------------------------------------------------------------ > > Ce courriel et les documents qui lui sont joints sont, sauf mention > > contraire, présumés de nature confidentielle et destinées à l'usage > > exclusif du ou des destinataire(s) mentionné(s). Si vous n'êtes pas le > > ou les destinataire(s), vous êtes informé(e) que toute divulgation, > > reproduction, distribution, toute autre diffusion ou utilisation de > > cette communication ou de tout ou partie de ces informations est > > strictement interdite, sauf accord préalable de l’expéditeur. Si ce > > message vous a été transmis par erreur, merci d’immédiatement en > > informer l'expéditeur et supprimer de votre système informatique ce > > courriel ainsi que tous les documents qui y sont attachés. En vous > > remerciant de votre coopération. > > > > This email and any attached documents are, unless otherwise stated, > > presumed to be confidential and intended for the exclusive use of the > > recipient(s) mentioned. If you are not the recipient(s), you are > > informed that any disclosure, reproduction, distribution, any other > > dissemination or use of this communication or all or part of this > > information is strictly prohibited, unless agreed beforehand by the > > sender. If you have received this e-mail in error, please immediately > > advise the sender and delete this e-mail and all the attached documents > > from your computer system. Thanking you for your cooperation. > > > > _______________________________________________ > > discuss mailing list > > [email protected] > > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > _______________________________________________ discuss mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
