Hello, I have changed UDP port and now it works.... thank you for your help
Regards, Cesar ----------------------------------------------- > From: [EMAIL PROTECTED] > To: [email protected] > Subject: RE: Re: [Ntop] Can not monitor more than one netflow device > Date: Fri, 21 Apr 2006 10:53:15 -0500 > > Yup. You can't use the source ip to distinguish things - there doesn't have > to be (and frequently isn't) any connection between the subnet being routed > by the device and the private network used for backhauling monitoring traffic. > All ntop does is open the socket on the port you gave it to listen. So if > they have the same port #s, it won't work. > -----Burton > ----------------------------------------------- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Cesar Hernando > Sent: Friday, April 21, 2006 5:50 AM > To: [email protected] > Subject: RE: Re: [Ntop] Can not monitor more than one netflow device > Thanks for your reply > When I added the Cisco router I clicked in "Add Netflow Device", telling ntop > to use port 2055 and Cisco's LAN subnet as the virtual netflow interface. > After that, I added the PacketShaper, clicking again in "Add netflow device", > again port 2055 and using PacketShaper's LAN subnet as the virtual netflow > interface. > I thought that if I wanted to monitor several devices I only needed to switch > NIC, and that I could use the same port: I thought ntop would receive all > traffic through port 2055 and would distinguish devices checking source IP > address (thanks to virtual netflow interface). > After your replies, if I have understood properly, I need to use different > UDP ports if I want to monitor these 2 devices as separated NICs, since I am > interested in getting totally separated graphs/statistics for each device. Am > I right? > I'll give it a try and will tell you if it works... > Regards, > Cesar > ----------------------------------------------- > > From: [EMAIL PROTECTED] > > To: [email protected] > > Subject: RE: Re: [Ntop] Can not monitor more than one netflow device > > Date: Thu, 20 Apr 2006 16:46:22 -0500 > > > > Yes. If you want separate virtual interfaces, they need to use unique port > > #s. > > > > I suspect that the code doesn't actually test if the inbound port # is > > reused, but it won't work properly. > > > > -----Burton > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Gary > > Gatten > > Sent: Thursday, April 20, 2006 3:59 PM > > To: [EMAIL PROTECTED]; [email protected] > > Subject: RE: Re: [Ntop] Can not monitor more than one netflow device > > > > It's been awhile since I looked at this, but I recall having to use a unique > > port for each virtual interface? I could be wrong, it's just what I recall > > and my memory seems a little broken these days. I'll take a closer look > > tomorrow as well. > > > > Gary > > > > > > >>> [EMAIL PROTECTED] 4/20/2006 3:53:21 PM >>> > > Thanks for your quick reply... > > > > I am already using different netflow virtual interfaces, that way ntop > > should distinguish between traffic from Cisco and PacketShaper. > > > > I have checked FAQ but found nothing about using different udp ports for > > each provider. I'll give a try tomorrow, meanwhile more ideas are welcomed > > :) > > > > Regards, > > > > Cesar > > > > > > ---------------------------------------- > > > Date: Thu, 20 Apr 2006 15:40:32 -0500 > > > From: [EMAIL PROTECTED] > > > To: [EMAIL PROTECTED]; [email protected] > > > Subject: Re: [Ntop] Can not monitor more than one netflow device > > > > > > I *think* you have to configure a different netflow virtual > > interface > > > (and udp port) for each netflow provider. Check the FAQ and man > > pages > > > to be certain. > > > > > > Gary > > > > > > > > > >>> [EMAIL PROTECTED] 4/20/2006 3:30:58 PM >>> > > > Hello, > > > > > > I've got ntop installed on a Red Hat Enterprise AS 3. ntop version > > is > > > 3.2, compiled from tgz file from sourceforge, only one interface > > eth0. > > > > > > I have started it with /usr/local/bin/ntop -L -u ntop -d, and we > > want > > > to monitor 2 netflow devices (Cisco 3845 and PacketShaper 6500, both > > > netflow v5). > > > > > > I added firstly the Cisco 3845, and ntop started to collect data and > > > draw nice graphs and statistics. > > > > > > However, after adding the second device (PacketShaper, both with the > > > same destination port udp/2055, only difference is local subnet) I > > have > > > noticed that ntop will not display any more info about Cisco. ntop > > now > > > only displays info and graphs about PacketShaper. > > > > > > Am I doing something wrong? Any misconfiguration? Any idea of what > > > might be happening? Any help will be appreciated :) > > > > > > Regards, > > > > > > Cesar > > > _________________________________________________________________ > > > Descarga gratis la Barra de Herramientas de MSN > > > > > http://www.msn.es/usuario/busqueda/barra?XAPID=2031&DI=1055&SU=http%3A//www. > > hotmail.com&HL=LINKTAG1OPENINGTEXT_MSNBH____________________________________ > > ___________ > > > > > > > > Ntop mailing list > > > [email protected] > > > http://listgateway.unipi.it/mailman/listinfo/ntop > > > > > > > > > > _________________________________________________________________ > > Descarga gratis la Barra de Herramientas de MSN > > http://www.msn.es/usuario/busqueda/barra?XAPID=2031&DI=1055&SU=http%3A//www. > > hotmail.com&HL=LINKTAG1OPENINGTEXT_MSNBH____________________________________ > > ___________ > > > > Ntop mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop > > > > > > _______________________________________________ > > Ntop mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop > > > > _______________________________________________ > > Ntop mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop > ----------------------------------------------- > Tu horóscopo diario, semanal y gratuito. Cartas, tarot y predicciones en MSN > Horóscopo _________________________________________________________________ Descarga gratis la Barra de Herramientas de MSN http://www.msn.es/usuario/busqueda/barra?XAPID=2031&DI=1055&SU=http%3A//www.hotmail.com&HL=LINKTAG1OPENINGTEXT_MSNBH_______________________________________________ Ntop mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop
