CLI Guide

fallback 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)
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
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.
Table 2. Default Mapping
DSCP/CP hex
Range (XXX)
DSCP
Definition
Traditional IP
Precedence
MXL Switch
Internal
Queue ID
DSCP/CP
Decimal
111XXX Network
Control
3 48–63
110XXX Internetwork
Control
3 48–63
101XXX EF (Expedited
Forwarding)
CRITIC/ECP 2 32–47
100XXX AF4 (Assured
Forwarding)
Flash Override 2 32–47
011XXX AF3 Flash 1 16–31
010XXX AF2 Immediate 1 16–31
001XXX AF1 Priority 0 0–15
000XXX BE (Best
Effort)
Best Effort 0 0–15
wred
Designate the WRED profile to yellow or green traffic.
Syntax
wred [[{yellow | green} profile-name] ecn]
Quality of Service (QoS)
1255