Hi, this might be a naive question but still needs a good answer ;-)
Are there ethernet switches else as cisco that can provide netflow traffic informations? Or do they use snmp for the same informations instead?
thank you.
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German Wikipedia says:
Netflow war ursprünglich eine Cisco-Technik, wird jetzt jedoch von vielen Herstellern unterstützt. Neben Netflow gibt es auch noch cFlow (Juniper) und Netstream (Huawei). Beide sind technisch identisch mit Netflow. Es existieren verschiedene Versionen von Netflow. Netflow Version 9 ist als offener Standard in der RFC 3954 beschrieben. Netflow Version 5 ist die in der Praxis am häufigsten verwendete Version. sFlow (RFC 3176) verwendet statistisches Sampling und ist inkompatibel zu Netflow. Es existieren jedoch Konverter. Der IPFIX Standard (RFC 3917) wird herstellerunabhängig entwickelt und stellt eine Erweiterung von Netflow Version 9 dar.
In that case - good luck :-)
Regards, Mario
Mario,
Julien is french speaking.... and he asked in english... maybe an enlgish answer would better fix no ? :P
Pascal SwiNOG Minority Defender Moderator
And here the english version for those who can only resolve wikipedia.de... ;-)
Cisco routers that have the Netflow feature enabled generate netflow records; these are exported from the router in User Datagram Protocol (UDP) or Stream Control Transmission Protocol (SCTP) packets and collected using a netflow collector. Other vendors provide similar features for their routers but with different names:
* Jflow or cflowd for Juniper Networks * NetStream for Huawei Technology * Cflowd for Alcatel-Lucent
NetFlow and IPFIX
Although initially implemented by Cisco, NetFlow is emerging as an IETF standard: Internet Protocol Flow Information eXport (IPFIX). Based on the NetFlow Version 9 implementation, IPFIX is going to be the industry standard in the very near future. Network infrastructure vendors, including Nortel Networks and others, are already adding IPFIX support to their devices.
-----Original Message----- From: swinog-bounces@lists.swinog.ch [mailto:swinog-bounces@lists.swinog.ch] On Behalf Of Mario Iseli Sent: Freitag, 18. Juli 2008 14:10 To: swinog@swinog.ch Subject: Re: [swinog] netflow capable switches
German Wikipedia says:
Netflow war ursprünglich eine Cisco-Technik, wird jetzt jedoch von vielen Herstellern unterstützt. Neben Netflow gibt es auch noch cFlow (Juniper) und Netstream (Huawei). Beide sind technisch identisch mit Netflow. Es existieren verschiedene Versionen von Netflow. Netflow Version 9 ist als offener Standard in der RFC 3954 beschrieben. Netflow Version 5 ist die in der Praxis am häufigsten verwendete Version. sFlow (RFC 3176) verwendet statistisches Sampling und ist inkompatibel zu Netflow. Es existieren jedoch Konverter. Der IPFIX Standard (RFC 3917) wird herstellerunabhängig entwickelt und stellt eine Erweiterung von Netflow Version 9 dar.
In that case - good luck :-)
Regards, Mario _______________________________________________ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog
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Guazzoni Daniele, CH -
julien mabillard -
Mario Iseli -
Pascal Gloor