Dear Ben, thanks for the support!
I receive the error on two servers C & D, below the command outputs: [root@C ~]# ovs-dpctl show system@ovs-system: lookups: hit:283639 missed:348 lost:0 flows: 14 masks: hit:1027059 total:3 hit/pkt:3.62 port 0: ovs-system (internal) port 1: ovsbr0 (internal) port 2: enp4s0 port 3: tep0 (internal) port 4: vxlan_sys_4789 (vxlan: packet_type=ptap) [root@D ~]# ovs-dpctl show system@ovs-system: lookups: hit:230545 missed:378 lost:0 flows: 12 masks: hit:707437 total:2 hit/pkt:3.06 port 0: ovs-system (internal) port 1: ovsbr0 (internal) port 2: enp4s0 port 3: tep0 (internal) port 4: vxlan_sys_4789 (vxlan: packet_type=ptap) Thanks in advance, Cheers, Woz On 7 March 2018 at 21:02, Ben Pfaff <[email protected]> wrote: > On Wed, Mar 07, 2018 at 11:47:48AM +0100, woz woz wrote: > > Dear support, > > I’m testing OpenVSwitch version 2.9. on my infrastructure using CentOS7, > > but I’m having any problem, below my config: > > I have 4 servers with the public IP address, e.g. > > A-> 1.1.1.1 > > B-> 2.2.2.2 > > C-> 3.3.3.3 > > D-> 4.4.4.4 > > between these servers I've configured a VXLAN tunnel, in this way : > > the server named A has a VXLAN tunnel with C and D > > the server named B has a VXLAN tunnel with C and D > > the servers named C and D obviously have a tunnel with A and B > > I executed this kind of configuration because I would like to have a > > redundancy between the servers A and B , e.g if A goes down I migrate all > > the services on B and the servers C and D can continue to work without > any > > problem. > > But I have the following messages on the /var/log/message : > > "kernel: openvswitch: ovs: recursion limit reached on datapath > ovs-system, > > probable configuration error” > > > > I 've read articles related to this kind of problem and I played also > with > > the STP protocol in order to avoid a possible loop but I don't understand > > if I can use this configuration or I have to find another solution. > > This message wouldn't be caused by a loop among servers but some kind of > configuration problem on an individual server. When you see this > message, what is in the kernel flow table ("ovs-dpctl dump-flows") and > what ports are configured ("ovs-dpctl show")? >
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