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Determining which IP address on my network is causing bandwidth spikes?

AChu87

On a UTM 625, firmware 9.355.

I have a portal from Comcast that allows me to see bandwidth usage. I saw yesterday that something was causing my bandwidth to spike to its maximum cap for about 10 minutes. 

Can the UTM show me what IP address is potentially using all the bandwidth so I can pin point the culprit?

Alex



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    I know about the flow monitor, but I'm trying to figure out what IP address or addresses that are using the bandwidth. Not the services being used.

  • 0 in reply to AChu87

    AChu87 said:

    I know about the flow monitor, but I'm trying to figure out what IP address or addresses that are using the bandwidth. Not the services being used.

    From SSH: iftop -i eth0 will show you bandwidth performance in real time, with top clients sorted on top (assuming that eth0 is your LAN interface).

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  • 0 in reply to AChu87

    AChu87 said:

    I know about the flow monitor, but I'm trying to figure out what IP address or addresses that are using the bandwidth. Not the services being used.

    From SSH: iftop -i eth0 will show you bandwidth performance in real time, with top clients sorted on top (assuming that eth0 is your LAN interface).

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