Additional details: The call to
sudo ovs-ofctl monitor switch1 65534 watch: --protocols=OpenFlow13 produces as first output the following everytime: OFPT_ERROR (xid=0x9): OFPBRC_BAD_VERSION NXST_FLOW_MONITOR request (xid=0x9): id=0 flags=initial,add,delete,modify,actions,own Until now I could observe only packets from types like the following OFPT_ECHO_REQUEST (OF1.3) (xid=0x0): 0 bytes of payload NXT_PACKET_IN2 (OF1.3) (xid=0x0): cookie=0xa total_len=70 in_port="s1-eth1" (via no_match) data_len=70 (unbuffered) icmp6,vlan_tci=0x0000,dl_src=f6:2d:5c:f7:bd:5e,dl_dst=33:33:00:00:00:02,ipv6_src=fe80::f42d:5cff:fef7:bd5e,ipv6_dst=ff02::2,ipv6_label=0x00000,nw_tos=0,nw_ecn=0,nw_ttl=255,icmp_type=133,icmp_code=0 icmp6_csum:5e26 OFPT_ECHO_REQUEST (OF1.3) (xid=0x0): 0 bytes of payload NXT_PACKET_IN2 (OF1.3) (xid=0x0): cookie=0xa total_len=70 in_port="s1-eth2" (via no_match) data_len=70 (unbuffered) icmp6,vlan_tci=0x0000,dl_src=16:a8:ee:4f:df:42,dl_dst=33:33:00:00:00:02,ipv6_src=fe80::14a8:eeff:fe4f:df42,ipv6_dst=ff02::2,ipv6_label=0x00000,nw_tos=0,nw_ecn=0,nw_ttl=255,icmp_type=133,icmp_code=0 icmp6_csum:b6b8 OFPT_ECHO_REQUEST (OF1.3) (xid=0x0): 0 bytes of payload >-----Ursprüngliche Nachricht----- >Von: discuss <ovs-discuss-boun...@openvswitch.org> Im Auftrag von >Mansuroglu, Zekeriya via discuss >Gesendet: Mittwoch, 24. Januar 2024 14:24 >An: Adrian Moreno <amore...@redhat.com>; ovs-discuss@openvswitch.org >Cc: Ilya Maximets <i.maxim...@ovn.org> >Betreff: Re: [ovs-discuss] Flow not registered in OVSDB flow table > >Hi Adrian, >thank you for your reply. Your suggestion is the same as Ilya's. > >I used the following command to monitor the OpenFlow commands modifying >the flow table: > >sudo ovs-ofctl monitor switch1 65534 watch: --protocols=OpenFlow13 > >But the client doesn't receive any packets even I add and delete some entries >in >the flow table and the changes can be verified with dump-flows command. Only >packets like the following are received: > >OFPT_ECHO_REQUEST (OF1.3) (xid=0x0): 0 bytes of payload > >Extensions of the protocols with al the versions other than OpenFlow13 doesn't >help either. > >Can you see if the usage of the client with the command above is correct. > >Regards, >Zekeriya > >>-----Ursprüngliche Nachricht----- >>Von: Adrian Moreno <amore...@redhat.com> >>Gesendet: Freitag, 19. Januar 2024 13:16 >>An: Mansuroglu, Zekeriya <zekeriya.mansuro...@iis.fraunhofer.de>; ovs- >>disc...@openvswitch.org >>Betreff: Re: [ovs-discuss] Flow not registered in OVSDB flow table >> >> >> >>On 1/18/24 11:00, Mansuroglu, Zekeriya via discuss wrote: >>> Hi all, >>> >>> I’m using ovs through mininet with OpendayLight. The ovs version is 2.13.8 >and >>> the mininet version is 2.3.0.dev6. I create a network with a single switch >>> and >>> two hosts. After that I create a flow through the nortboubd interface of >>> opendaylight that works fine. I can also verify with ovs-ofctl that the >>> flow is >>> accepted by the switch. I expected that the flow is also registered in a >>> table >>> in ovsdb, but when I dump the database the flow doesn’t appear anywhere in >>the >>> datastore. >>> >>> Shouldn’t the flow be registered in one of the table Flow_Table, sFlow or >>NetFlow? >>> >> >>OpenFlow flows are not stored in the OVSDB. Only configuration is stored >there. >> >>> I aimed to use the ovsdb-client to monitor for changes of the flow table >>> configurations. As I understood ovsdb-client’s monitor command this should >>be >>> doable when changes of the flow configurations lead to changes in ovsdb. Is >>this >>> approach realistic? >>> >> >>If you want to monitor the changes in the OpenFlow tables you can use "ovs- >>ofctl >>monitor". >> >>> Thanks, >>> >>> Zekeriya >>> >>> >>> _______________________________________________ >>> discuss mailing list >>> disc...@openvswitch.org >>> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >> >>-- >>Adrián Moreno > >_______________________________________________ >discuss mailing list >disc...@openvswitch.org >https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
