Hi Frank, Could you send the output of "ovs-vsctl list Interface" and "ip link"? What are the names of your other interfaces in OVS and in your system? Before and after you create your "test" GRE interface.
On Wed, Jan 19, 2011 at 3:59 AM, Frank <[email protected]> wrote: > Thanks Romain. That's a typo, with type "gre" it will be still failed. And > the log complains "File exists" > > [root@xenserver-frank1 ~]# ovs create interface name=test > options:"remote_ip=192.168.152.22 key=2" type=gre > e0f8369c-bd5c-41b9-8e22-8d6b58e11429 > > [root@xenserver-frank1 ~]# ovs create port name=test > interfaces=[e0f8369c-bd5c-41b9-8e22-8d6b58e11429] > 13abaf54-155c-4954-951f-4e7da1f48b8e > > [root@xenserver-frank1 ~]# ovs add bridge xapi7 ports > 13abaf54-155c-4954-951f-4e7da1f48b8e > > The log says: > > Jan 18 10:57:23|11332|bridge|INFO|created port test on bridge xapi7 > Jan 18 10:57:23|11333|bridge|WARN|could not create iface test: File exists > Jan 18 10:57:23|11334|bridge|WARN|bridge xapi7: port test has no > interfaces, dropping > > > > > On 01/16/2011 04:25 PM, Romain Lenglet wrote: > > Hi Frank, > > You don't create the GRE ports correctly. > The options and type are incorrect. See below. > > On Fri, Jan 14, 2011 at 7:22 AM, Frank <[email protected]> wrote: > >> On 01/04/2011 02:34 PM, Jesse Gross wrote: >> >>> On Thu, Dec 30, 2010 at 6:00 PM, Frank<[email protected]> wrote: >>> >>>> Hi guys: >>>> I just try to create two GRE tunnels between two hosts, the result is >>>> I >>>> can't do this. >>>> vswitch complains "could not create iface test: File exists" when >>>> creating second tunnel. >>>> I did set different GRE keys for tunnels. >>>> >>>> I google and get some articles said it's possible to create multiple >>>> GRE >>>> tunnels with same src/dst. >>>> I am curious what technical barrier prevents our doing since GRE key >>>> is >>>> an natural tag to distinguish different tunnels. >>>> >>> You can have multiple tunnels between the same endpoints if they are >>> distinguished by key. Please post your interface config. >>> >>> >> I am sorry for late reply. I create tunnels as below (ovs is alias of >> ovs-vsctl): >> >> [root@xenserver-frank4 ~]# ovs list interface 1-2 >> _uuid : ebc0d114-d258-4670-9965-8a5a0491b0b9 >> external_ids : {} >> ingress_policing_burst: 0 >> ingress_policing_rate: 0 >> mac : [] >> name : "1-2" >> ofport : 8 >> options : {remote_ip="192.168.152.22 key=1"} >> > > Those options should read {remote_ip="192.168.152.22", key="1"}. > > >> statistics : {collisions=0, rx_bytes=894703, rx_crc_err=0, >> rx_dropped=0, rx_errors=0, rx_frame_err=0, rx_over_err=0, rx_packets=12083, >> tx_bytes=28882506, tx_dropped=0, tx_errors=0, tx_packets=21760} >> status : {} >> type : gre >> [root@xenserver-frank4 ~]# ovs create interface name=test >> options:"remote_ip=192.168.152.22 key=2" >> > > So I suggest trying something like: > ovs create interface name=test 'options:remote_ip="192.168.152.22", > key="2"' > to create the interface with correct options. > > >> 74c1e2e3-da43-4ae4-86e7-048de205f974 >> >> [root@xenserver-frank4 ~]# ovs create port name=test >> interfaces=[74c1e2e3-da43-4ae4-86e7-048de205f974] >> 3dc08a5c-102c-45c6-9891-9692d2d4a8e3 >> >> [root@xenserver-frank4 ~]# ovs add bridge xapi7 ports >> 3dc08a5c-102c-45c6-9891-9692d2d4a8e3 >> >> [root@xenserver-frank4 ~]# ovs list interface test >> _uuid : 74c1e2e3-da43-4ae4-86e7-048de205f974 >> external_ids : {} >> ingress_policing_burst: 0 >> ingress_policing_rate: 0 >> mac : [] >> name : test >> ofport : [] >> options : {remote_ip="192.168.152.22 key=2"} >> statistics : {} >> status : {} >> type : "" >> > > This type is wrong. It should be "gre" for a GRE port. > You have to pass the correct type when creating the interface above. > > >> >> >> Actually I already had a tunnel to "192.168.152.22" with key = 1. we can >> see the secondary creation was failed even I set the key=2. >> In ovs-vswitchd.log, here are: >> >> Jan 13 14:18:31|02259|netdev|WARN|failed to get flags for network device >> test: No such device >> Jan 13 14:18:31|02260|bridge|WARN|could not create iface test: No such >> device >> Jan 13 14:18:31|02261|bridge|WARN|bridge xapi7: port test has no >> interfaces, dropping >> >> >> >> >> >> _______________________________________________ >> discuss mailing list >> [email protected] >> http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org >> > > >
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