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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mario Iseli
Sent: Freitag, 18. Juli 2008 14:10
To: [EMAIL PROTECTED]
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
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