Dell C1048P Port Extender Networking Command-Line Reference Guide for the C900 - Page 1725

trust Specify dynamic classification (DSCP) or dot1p to trust. C9000 Series Syntax Parameters trust {diffserv [fallback]| dot1p [fallback]} diffserv dot1p fallback Enter the keyword diffserv to specify trust of DSCP markings. Enter the keyword dot1p to specify trust dot1p configuration. Enter the keyword fallback to classify packets according to their DSCP value as a secondary option in case no match occurs against the configured class maps. Defaults none Command Modes CONFIGURATION (conf-policy-map-in) Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell Networking OS Command Line Reference Guide. The following is a list of the Dell Networking OS version history for this command. Version 9.9(0.0) 9.2(1.0) 8.3.19.0 8.3.11.1 8.3.7.0 8.3.1.0 8.2.1.0 7.6.1.0 7.5.1.0 7.4.1.0 6.1.1.1 Description Introduced on the C9010. Introduced on the Z9500. Introduced on the S4820T. Introduced on the Z9000. Introduced on the S4810. Added fallback to the E-Series. Added dot1p to the C-Series and S-Series. Introduced on the S-Series. Introduced on the C-Series. Added dot1p and IPv6 DSCP. Introduced on the E-Series Usage Information When you configure trust, matched bytes/packets counters are not incremented in the show qos statistics command. Dynamic mapping honors packets marked according to the standard definitions of DSCP. The following lists the default mapping. Quality of Service (QoS) 1725