Wireshark - 0.99.5 Guide de l'utilisateur télécharger pdf (Page 158)

Note!

Packets will usually contain multiple protocols, so more than one protocol will be

counted for each packet. Example: In the screenshot IP has 99,17% and TCP 85,83%

(which is together much more than 100%).

Note!

Protocol layers can consist of packets that won't contain any higher layer protocol, so

the sum of all higher layer packets may not sum up to the protocols packet count. Ex-

ample: In the screenshot TCP has 85,83% but the sum of the subprotocols (HTTP, ...)

is much less. This may be caused by TCP protocol overhead, e.g. TCP ACK packets

won't be counted as packets of the higher layer).

Note!

A single packet can contain the same protocol more than once. In this case, the pro-

tocol is counted more than once. For example: in some tunneling configurations the IP

layer can appear twice.

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Wireshark - 0.99.5 Guide de l'utilisateur Page 158