Anukool Lakhina wrote:
1) When flow-export reports the *next-hop* IP as 0.0.0.0 and/or the
output interface as 0, what does this mean?

Which type of device is the export coming from? I get this from my Junipers, but that is excusable as the documentation (JunOS Feature Guide v6.1 - page 115) states that the next hop IP address is not filled in.


2) And, what does a flow *destination* IP of 0.0.0.0 imply?

Not sure about this one - possibly spoofed traffic? Although I can't think why it would get forwarded unless it's sampling on ingress and then discarding the packet. Again, I'd check the device documentation.


Ras

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