Dell C9000 Series Reference Manual page 1838

fallback
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
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 8. Default Mapping
DSCP/CP hex
Range (XXX)
111XXX
110XXX
101XXX
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.
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
DSCP Traditional IP
Definition Precedence
Network
Control
Internetwork
Control
EF (Expedited CRITIC/ECP
Forwarding)
C9010 DSCP/CP
Internal Decimal
Queue ID
7 48–63
6 48–63
5 32–47
Quality of Service (QoS) 1838