Chapter 2, Figures 2-33 and 2-34 screenshots of DHCPv6 © Wireshark.
Chapter 4, Figure 4-16 screenshot of Ekahau © 2018 Ekahau.
Chapter 7, Table 7-2, “Classes of Service Names and Values” © IEEE 802.1Q, “Media Access Control Bridges and Virtual Bridged Local Area Networks,” Patricia Thaler, Norman Finn, Don Fedyk, Glenn Parsons, Eric Gray
Chapter 7, Table 7-3, “802.1p / 802.1D-2004 Classes” © Traffic priority, IEEE 802.1p, Mario Baldi, Pietro Nicoletti
Chapter 7, Figure 7-35 screenshot of Apple iOS © Apple, Inc.
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