Rafael please update to 4.0.1 and report me if it works Thanks Luca
On Aug 20, 2010, at 7:51 PM, Rafael Sarres de Almeida wrote: > Hi all; > I have a problem on my fresh ntop 4.0 installation: Only one packet is > processed. I am using sFlow plugin (no interface capture: “-i none” option) > and it reports to be receiving a lot of sFlow packets, ntop receives them but > only processes one packet. I ran some tests and discovered that, no matter > the source (internal NIC or flow), just one packet gets processed and all > others are kept queued. I have downgraded ntop to 3.3.10, the last stable > before 3.4, and everything looks to be working fine. > Changelog for 3.4 informs: “a partially rewritten ntop processing engine to > address reliability and performance.” Maybe this change in the processing > engine have caused a bug in my setup, as the behavior that I see is that > almost all the packets (besides the first), no matter the source (internal > NIC or flow), is queued and never gets processed. Maybe that new processing > engine is getting stuck somehow. I do not think it is a loop because my CPU > does not get busy, ntop seems to run idle. > > Some info from info.html: > Packets > Received 1,895 > Processed Immediately 1 (0.1 %) > Queued 1,894 (99.9 %) > Current Queue (none) 0 > Maximum Queue (none) 0 (Limit 2048) > Current Queue (sFlow-device.2) 1894 > Maximum Queue (sFlow-device.2) 1894 (Limit 2048) > > > > Ntop statistics for the sFlow device: > Traffic Report for 'sFlow-device.2' [switch] > Packets > Dropped (ntop) 0.0% 0 > Total Received (ntop) 1,606 > Total Packets Processed 1 > Unicast 100.0% 1 > Broadcast 0.0% 0 > Multicast 0.0% 0 > > Here are the statistics from sFlow plugin: > Flow Statistics > Received Flows > Flow Senders 172.17.205.39 [2,362 pkts] > > Number of sFlow Packets Rcvd 2,362 > Number of sFlow Packets with Bad Version 0 > Number of sFlow Packets Processed 2,362 > Number of v2 Flows Rcvd 0 > Number of v4 Flows Rcvd 0 > Number of v5 Flows Rcvd 2,362 > > Discarded Flows > Number of Flows with Bad Data 0 > Total Number of Flows Processed 0 > > Flow Analisys > Number of sFlow Samples Rcvd 1,615 > Number of sFlow Counter Updates Rcvd 1,734 > > Thanks. > > <image001.gif> > Rafael Sarres de Almeida > Analista > Departamento de Tecnologia da Informação > Divisão de Administração de Redes > Tel.:+55 (61) 3414-4148 > E-mail: [email protected] > _______________________________________________ > Ntop-dev mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-dev --- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it. - Brian W. Kernighan _______________________________________________ Ntop-dev mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-dev
