Contemporary-control-systems Compact Managed Switches Software Manual for Conso Uživatelský manuál stáhnout pdf (Strana 29)

TD020850-0MG

4.3.7.2 Configure 802.1p Priority

The IEEE 802.1p extension of IEEE 802.1Q prioritizes traffic at the data-link/MAC layer

through a 3-bit header field that was never articulated in the original VLAN standard.

IEEE only suggests 802.1p definitions; it does not mandate them.

Figure 21 shows that 802.1p priority is applied individually to ports — and just above the

dashed line a link (Map 802.1p Priority) exists to the screen (Figure 22) where 4 priority

queues allow the 8 tags to be mapped in various schemes. These two sample screens

are for an 8-port switch. More ports would be displayed for a 16- or 24-port switch.

Figure 21 — Configure 802.1p Priority

Figure 22 — Map 802.1p Priority

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 79 80

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Contemporary-control-systems Compact Managed Switches Software Manual for Conso Uživatelský manuál Strana 29