Does anyone know of a simple solution that shows how much internet bandwidth an IP subnet or VLAN is using?
When we look at Network Wide/Clients/Only security appliance clients and put in a subnet, the graph scaling is so bad you can't see how much bandwidth is being used by the subnet. Hopefully, this screenshot shows the "issue" - it gets worse the more overall bandwidth is shown as the scale goes up to 1gb/sec: It is the yellow part of the graph I need a more accurate reading of.
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If you to do this ongoing, you would week to use netflow like @ww mentions.
If this is short term, and you are trying to do a one-off diagnosis - capture 5 minutes of traffic and put it into Wireshark and use its statistics function to break the traffic down.
Have you tried a filter like this?
Thanks, but that doesn't change the graph scale, which is the issue for me.
So, open a support case.
You could look at using netflow to a cheap/free netflow tool
If you to do this ongoing, you would week to use netflow like @ww mentions.
If this is short term, and you are trying to do a one-off diagnosis - capture 5 minutes of traffic and put it into Wireshark and use its statistics function to break the traffic down.
Yes, it is for long term viewing as in days and weeks. Netflow is cool, but very expensive as we have multiple sites/firewalls. Thanks though.