Version Description
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Added fallback to the E-Series.
8.2.1.0 Added dot1p to the C-Series and S-Series.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
7.4.1.0 Added dot1p and IPv6 DSCP.
6.1.1.1 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.
DSCP/CP hex
Range (XXX)
DSCP
Definition
Traditional IP
Precedence
Z9500
Internal
Queue ID
DSCP/CP
Decimal
111XXX Network
Control
7 48–63
110XXX Internetwork
Control
6 48–63
101XXX EF (Expedited
Forwarding)
CRITIC/ECP 5 32–47
100XXX AF4 (Assured
Forwarding)
Flash Override 4 32–47
011XXX AF3 Flash 3 16–31
010XXX AF2 Immediate 2 16–31
001XXX AF1 Priority 1 0–15
000XXX BE (Best
Effort)
Best Effort 0 0–15
Quality of Service (QoS)
1523
