Jay Hall wrote:
> I have run into a need to capture netflows from the internal interface
> of my FreeBSD 6 server. The internal interface is em0 and the
> external interface is em1.
>
> I am using the following to setup the netflows.
>
> /usr/sbin/ngctl -f- << SEQ
> mkpeer em0: netflow lower iface0
> name: em0: lower netflow
> connect em0: netflow: upper out0
> mkpeer netflow: ksocket export inet/dgram/udp
> msg netflow:export connect inet/1.2.3.4:12345
> SEQ
>
> When I run the commands above, I receive the following message.
>
> ngctl: send msg: No such file or directory
> ngctl: line 1: error in file
>
> I am at a complete loss here. My understanding of netgraph is poor at
> best. Any suggestions would be appreciated.
>
Been a while since I used it but I used to use this script based on this
email
http://www.mail-archive.com/freebsd-questions@freebsd.org/msg103671.html
#!/usr/sbin/ngctl -f
mkpeer fxp0: tee lower right
connect fxp0: fxp0:lower upper left
mkpeer fxp0:lower netflow right2left iface0
name fxp0:lower.right2left netflow
mkpeer netflow: ksocket export inet/dgram/udp
msg netflow:export connect inet/w.x.y.x:6667
hope that helps,
Vince
> Thanks,
>
> Jay
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