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Traffic Monitoring with SPAN and mirroring port

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Hello guys,

Thanks in advance for your help. I'm working on the configuration of PRTG and i'm blocked with the traffic monitoring.

I'm using SPAN sensor with a mirroring port on the main switches. I can grab all the traffic and all the source IP but i cannot get the destination IP. Destination IP is always the broadcast IP of my IP range 192.168.11.255.

Thanks in advance.

mirroring span traffic-monitoring

Created on Oct 7, 2015 11:42:08 AM by  gillef01 (0) 1



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Hello,

It depends on the routing if the PRTG server is able to reach the target device with the IP address 192.168.11.255. If the switch forwards the requests to the address, there should be no issue. If the network is separated by a Firewall, you could also consider to install a remote probe in the other network segment, this will only require one TCP port (23560 by default) to establish a connection from the Probe Device to the Core Server.

Created on Oct 8, 2015 12:55:24 PM by  Jochen Greger [Paessler Support]



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