beautypg.com

Priority mapping procedure – H3C Technologies H3C S6300 Series Switches User Manual

Page 35

background image

25

Table 5 Priority mapping results of not trusting packet priority (when the default dot1p-lp priority

mapping table is used)

Port priority

Local precedence

Queue ID

0 (default)

2

2

1 0 0

2 1 1

3 3 3

4 4 4

5 5 5

6 6 6

7 7 7

The priority mapping procedure varies with the priority trust modes. For more information, see the

subsequent section.

Priority mapping procedure

On receiving an Ethernet packet on a port, the switch marks the scheduling priorities (local precedence

and drop precedence) for the Ethernet packet. This procedure is done according to the priority trust
mode of the receiving port and the 802.1Q tagging status of the packet, as shown in

Figure 4

.