3Com Switch 8800 Advanced Software V5 Configuration Guide

858 CHAPTER 64: PRIORITY MAPPING
# Configure to trust 802.1p precedence on Ethernet 1/1/3.
[Sysname] interface ethernet 1/1/3
[Sysname-Ethernet1/1/3] qos trust dot1p
[Sysname-Ethernet1/1/3] quit
# Configure to trust 802.1p precedence on Ethernet 1/1/4.
[Sysname] interface ethernet 1/1/4
[Sysname-Ethernet1/1/4] qos trust dot1p