The switch is the one disconnected here? I assume the log is from NOX which is complaining the peer disconnected. A tcpdump of the control traffic might help here.
Regards KK On 14 July 2011 13:57, Rob Sherwood <[email protected]> wrote: > Usually this is the case with NOX (and AFAICT, only nox) when you have > two switches with the same DPID. Nox has a rule that says "if I see > two openflow connections with the same DPID, kill the older connection > (assuming that it's stale)". The problem is if there is a network > misconfiguration and two switches have the same DPID, this cycle > continues endlessly: > > switch 1 connects, > switch 2 connects, disconnecting switch 1 > switch 1 reconnects, disconnecting switch 2 > > Fwiw, this might also be the source of your FV memory leak (separate > thread, fwiw). > > - Rob > . > > > > On Thu, Jul 14, 2011 at 1:33 PM, Aaron Rosen <[email protected]> wrote: >> Hello >> >> I was wondering if anyone had an ideas why this one switch seems to >> be flapping on its connection. This switch is on our local network so >> the connection shouldn't really be getting disconnected. The switch is >> an HP procure and points at our FV here (running v0.8.0) . When I >> use this same HP switch on a different VLAN without FV I don't seem to >> get this flapping behavior ( using the same network for control >> traffic which is nonOF). >> >> >> This flapping starts at 00047. >> >> Thanks, >> >> Aaron >> >> >> >> 00003|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00004|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00005|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00006|discovery|WARN:new link detected (06:d6:00:24:a8:c4:b9:00 p:71 >> -> 06:d6:00:12:e2:b8:a5:d0 p:20) >> 00007|discovery|WARN:new link detected (06:d6:00:12:e2:b8:a5:d0 p:20 >> -> 06:d6:00:24:a8:c4:b9:00 p:71) >> 00008|discovery|WARN:new link detected (00:00:0e:83:40:39:19:96 p:1 -> >> 00:00:0e:83:40:39:18:58 p:2) >> 00009|discovery|WARN:new link detected (00:00:0e:83:40:39:1a:57 p:2 -> >> 00:00:0e:83:40:39:19:96 p:2) >> 00010|discovery|WARN:new link detected (00:00:0e:83:40:39:18:58 p:2 -> >> 00:00:0e:83:40:39:19:96 p:1) >> 00011|discovery|WARN:new link detected (00:00:0e:83:40:39:1b:93 p:2 -> >> 00:00:0e:83:40:39:18:1b p:2) >> 00012|discovery|WARN:new link detected (0e:84:00:23:47:c8:bc:00 p:20 >> -> 06:d6:00:21:f7:be:8d:00 p:53) >> 00013|discovery|WARN:new link detected (0e:84:00:23:47:ca:bc:40 p:49 >> -> 00:00:00:12:e2:78:31:f5 p:10) >> 00014|discovery|WARN:new link detected (06:d6:00:23:47:c8:8c:40 p:20 >> -> 0e:84:00:24:a8:d2:48:00 p:49) >> 00015|discovery|WARN:new link detected (0e:84:00:26:f1:40:a8:00 p:51 >> -> 0e:84:00:24:a8:d2:48:00 p:51) >> 00016|discovery|WARN:new link detected (0e:84:00:24:a8:d2:48:00 p:50 >> -> 0e:84:00:23:47:ca:bc:40 p:51) >> 00017|discovery|WARN:new link detected (0e:84:00:23:47:ca:bc:40 p:51 >> -> 0e:84:00:24:a8:d2:48:00 p:50) >> 00018|discovery|WARN:new link detected (0e:84:00:24:a8:d2:b8:40 p:51 >> -> 0e:84:00:23:47:ca:bc:40 p:50) >> 00019|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:41 >> -> 0e:84:00:24:a8:d2:b8:40 p:20) >> 00020|discovery|WARN:new link detected (0e:84:00:23:47:c8:bc:00 p:49 >> -> 06:d6:00:12:e2:b8:a5:d0 p:5) >> 00021|discovery|WARN:new link detected (06:d6:00:12:e2:b8:a5:d0 p:5 -> >> 0e:84:00:23:47:c8:bc:00 p:49) >> 00022|discovery|WARN:new link detected (0e:84:00:26:f1:40:a8:00 p:50 >> -> 0e:84:00:23:47:c8:bc:00 p:51) >> 00023|discovery|WARN:new link detected (0e:84:00:23:47:c8:bc:00 p:51 >> -> 0e:84:00:26:f1:40:a8:00 p:50) >> 00024|discovery|WARN:new link detected (0e:84:00:24:a8:d2:48:00 p:51 >> -> 0e:84:00:26:f1:40:a8:00 p:51) >> 00025|discovery|WARN:new link detected (0e:84:00:24:a8:d2:b8:40 p:20 >> -> 06:d6:00:26:f1:3f:e4:80 p:41) >> 00026|discovery|WARN:new link detected (0e:84:00:23:47:ca:bc:40 p:50 >> -> 0e:84:00:24:a8:d2:b8:40 p:51) >> 00027|discovery|WARN:new link detected (00:00:00:00:00:00:00:92 p:2 -> >> 00:00:00:12:e2:b8:f3:d2 p:27) >> 00028|discovery|WARN:new link detected (00:00:00:12:e2:b8:f3:d0 p:1 -> >> 03:85:00:23:47:4e:2e:c0 p:3) >> 00029|discovery|WARN:new link detected (00:00:00:12:e2:b8:f3:d0 p:15 >> -> 00:00:00:12:e2:b8:f3:d2 p:16) >> 00030|discovery|WARN:new link detected (00:00:00:12:e2:b8:f3:d2 p:16 >> -> 00:00:00:12:e2:b8:f3:d0 p:15) >> 00031|discovery|WARN:new link detected (0e:84:00:24:a8:d2:48:00 p:49 >> -> 06:d6:00:23:47:c8:8c:40 p:20) >> 00032|discovery|WARN:new link detected (06:d6:00:21:f7:be:8d:00 p:53 >> -> 0e:84:00:23:47:c8:bc:00 p:20) >> 00033|discovery|WARN:new link detected (06:d0:00:21:f7:be:8d:00 p:3 -> >> 06:d0:00:23:47:cc:44:00 p:1) >> 00034|discovery|WARN:new link detected (00:00:0e:83:40:39:18:1b p:2 -> >> 00:00:0e:83:40:39:1b:93 p:2) >> 00035|discovery|WARN:new link detected (00:00:0e:83:40:39:18:1b p:1 -> >> 06:d6:00:12:e2:b8:a5:d0 p:9) >> 00036|discovery|WARN:new link detected (00:00:00:00:00:00:00:95 p:1 -> >> 06:d0:00:23:47:cc:44:00 p:22) >> 00037|discovery|WARN:new link detected (00:00:00:12:e2:78:31:f5 p:10 >> -> 0e:84:00:23:47:ca:bc:40 p:49) >> 00038|discovery|WARN:new link detected (06:d0:00:23:47:cc:44:00 p:1 -> >> 06:d0:00:21:f7:be:8d:00 p:3) >> 00039|discovery|WARN:new link detected (06:d6:00:21:f7:be:8d:00 p:64 >> -> 06:d0:00:21:f7:be:8d:00 p:63) >> 00040|discovery|WARN:new link detected (06:d0:00:21:f7:be:8d:00 p:63 >> -> 06:d6:00:21:f7:be:8d:00 p:64) >> 00041|discovery|WARN:new link detected (00:00:0e:83:40:39:19:96 p:2 -> >> 00:00:0e:83:40:39:1a:57 p:2) >> 00042|discovery|WARN:new link detected (00:00:0e:83:40:39:1a:57 p:3 -> >> 00:00:0e:83:40:39:1b:93 p:1) >> 00043|discovery|WARN:new link detected (00:00:0e:83:40:39:1b:93 p:1 -> >> 00:00:0e:83:40:39:1a:57 p:3) >> 00044|discovery|WARN:new link detected (03:85:00:23:47:4e:2e:c0 p:3 -> >> 00:00:00:12:e2:b8:f3:d0 p:1) >> 00045|discovery|WARN:new link detected (03:85:00:23:47:4e:2e:c0 p:8 -> >> 00:00:00:12:e2:78:31:f5 p:2) >> 00046|discovery|WARN:new link detected (00:00:00:12:e2:78:31:f5 p:2 -> >> 03:85:00:23:47:4e:2e:c0 p:8) >> 00047|openflow|WARN:stream: connection closed by peer >> 00048|nox|WARN:stream: connection closed by peer >> 00049|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00050|openflow|WARN:stream: receive error: Connection reset by peer >> 00051|nox|WARN:Error sending features request: Connection reset by peer >> 00052|nox|WARN:Received unsupported message type during handshake (11) >> 00053|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00054|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00055|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00056|openflow|WARN:stream: connection closed by peer >> 00057|nox|WARN:stream: connection closed by peer >> 00058|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00059|nox|WARN:Received unsupported message type during handshake (11) >> 00060|nox|WARN:Received unsupported message type during handshake (11) >> 00061|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00062|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00063|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00064|openflow|WARN:stream: connection closed by peer >> 00065|nox|WARN:stream: connection closed by peer >> 00066|openflow|WARN:stream: connection closed by peer >> 00067|nox|WARN:stream: connection closed by peer >> 00068|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00069|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00070|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00071|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in sending features request state >> 00072|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in sending features request state >> 00073|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in sending features request state >> 00074|nox|WARN:Ignoring features reply received while in state >> 'receiving ofmp capability reply' >> 00075|discovery|WARN:new link detected (0e:84:00:24:a8:d2:b8:40 p:20 >> -> 06:d6:00:26:f1:3f:e4:80 p:41) >> 00076|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00077|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:41 >> -> 0e:84:00:24:a8:d2:b8:40 p:20) >> 00078|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00079|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00080|discovery|WARN:link timeout (06:d6:00:26:f1:3f:e4:80 p:41 -> >> 0e:84:00:24:a8:d2:b8:40p:20) >> 00081|discovery|WARN:link timeout (0e:84:00:24:a8:d2:b8:40 p:20 -> >> 06:d6:00:26:f1:3f:e4:80p:41) >> 00082|discovery|WARN:link timeout (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80p:39) >> 00083|discovery|WARN:link timeout (06:d6:00:26:f1:3f:e4:80 p:20 -> >> 06:d0:00:26:f1:3f:e4:80p:14) >> 00084|discovery|WARN:link timeout (06:d0:00:26:f1:3f:e4:80 p:14 -> >> 06:d6:00:26:f1:3f:e4:80p:20) >> 00085|openflow|WARN:stream: no response to inactivity probe after 15 >> seconds, disconnecting >> 00086|nox|WARN:stream: disconnected (Protocol error) >> 00087|openflow|WARN:stream: no response to inactivity probe after 15 >> seconds, disconnecting >> 00088|nox|WARN:stream: disconnected (Protocol error) >> 00089|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in sending features request state >> 00090|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00091|nox|WARN:Received unsupported message type during handshake (11) >> 00092|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00093|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00094|nox|WARN:Received unsupported message type during handshake (11) >> 00095|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00096|nox|WARN:Ignoring features reply received while in state >> 'receiving ofmp capability reply' >> 00097|nox|WARN:Received unsupported message type during handshake (11) >> 00098|nox|WARN:Received unsupported message type during handshake (11) >> 00099|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving ofmp capability reply state >> 00100|nox|WARN:Received unsupported message type during handshake (11) >> 00101|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:41 >> -> 0e:84:00:24:a8:d2:b8:40 p:20) >> 00102|openflow-event|ERR:ignoring additional features reply event from >> 6d60026f13fe480 >> 00103|discovery|WARN:new link detected (0e:84:00:24:a8:d2:b8:40 p:20 >> -> 06:d6:00:26:f1:3f:e4:80 p:41) >> 00104|openflow-event|ERR:received Openflow error packet from >> dpid=6d60026f13fe480: type=1, code=4, 24 bytes of data >> 00105|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00106|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00107|openflow|WARN:stream: connection closed by peer >> 00108|nox|WARN:stream: connection closed by peer >> 00109|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00110|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in sending features request state >> 00111|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00112|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00113|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00114|openflow|WARN:stream: connection closed by peer >> 00115|nox|WARN:stream: connection closed by peer >> 00116|openflow|WARN:stream: connection closed by peer >> 00117|nox|WARN:stream: connection closed by peer >> 00118|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00119|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00120|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00121|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:41 >> -> 0e:84:00:24:a8:d2:b8:40 p:20) >> 00122|discovery|WARN:new link detected (0e:84:00:24:a8:d2:b8:40 p:20 >> -> 06:d6:00:26:f1:3f:e4:80 p:41) >> 00123|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00124|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00125|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> 00126|openflow|WARN:stream: connection closed by peer >> 00127|nox|WARN:stream: connection closed by peer >> 00128|openflow|WARN:stream: connection closed by peer >> 00129|nox|WARN:stream: connection closed by peer >> 00130|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00131|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in receiving features reply state >> 00132|nox|WARN:stream: closing connection due to timeout after 5 >> seconds in sending features request state >> 00133|discovery|WARN:new link detected (0e:84:00:24:a8:d2:b8:40 p:20 >> -> 06:d6:00:26:f1:3f:e4:80 p:41) >> 00134|discovery|WARN:new link detected (06:d0:00:26:f1:3f:e4:80 p:14 >> -> 06:d6:00:26:f1:3f:e4:80 p:20) >> 00135|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:41 >> -> 0e:84:00:24:a8:d2:b8:40 p:20) >> 00136|discovery|WARN:new link detected (00:00:00:00:00:00:01:04 p:1 -> >> 06:d0:00:26:f1:3f:e4:80 p:39) >> 00137|discovery|WARN:new link detected (06:d6:00:26:f1:3f:e4:80 p:20 >> -> 06:d0:00:26:f1:3f:e4:80 p:14) >> >> >> -- >> Aaron O. Rosen >> Masters Student - Network Communication >> 306B Fluor Daniel >> _______________________________________________ >> openflow-discuss mailing list >> [email protected] >> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >> > _______________________________________________ > openflow-discuss mailing list > [email protected] > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss > _______________________________________________ openflow-discuss mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
