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Monitoring or determining the number of TCP sessions on a link

FormerMember
FormerMember

Is there a way to generate a report that will give me the number of TCP sessions for a given link? We are looking into WAN compression and all the devices seem to be sized based upon the nuber of TCP sessions. Most of the vendors seem to have a rule of thumb based upon the number of users on that link but we have been told that through Netflow I should be able to determin what is actually being used. Does anyone know if this is available within the information the Netflow collector is capturing? I am thinking this is different than the "unique visitor" graph ...

  • I don't know of a way to get that specific info from Solarwinds NTA, but if you but a packet capture on the relevant interface you can use the statistics tools in Wireshark to tell you how many unique TCP flows are in the capture file. There is also a Unix/Linux CLI utility called tcpflow that will do the same thing.