March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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Which STP version is running on the network?
Wireshark will provide you with the version of the STP type (STP, RSTP, or MST) running on the network by looking at the Bridge Protocol Data Units (BPDUs). BPDUs are the update frames that are multicast between switches.
The protocol versions are:
- For STP, the protocol version ID equals 0
- For RSTP/MST, the protocol version ID equals 3
In the standards, you will not find the word switch; it will always be bridge or multiport bridge. In this book, we will use the terms bridge and switch.
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