Reference Guide

ipv6-diffserv On E-Series only, enter the keyword ipv6-diffserv to specify
trust configuration of IPv6 DSCP.
Defaults none
Command Modes CONFIGURATION (conf-policy-map-in)
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 8.3.1.0 Added fallback to the E-Series.
Version 8.2.1.0 Added dot1p to the C-Series and S-Series.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
Version 7.4.1.0 Added dot1p and IPv6 DSCP.
pre-Version
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.
The trust diffserv feature is not supported on E-Series ExaScale when you enable an
IPv6 microcode.
Dynamic mapping honors packets marked according to the standard definitions of DSCP. The
default mapping table is shown below:
DSCP/CP hex
Range (XXX)
DSCP
Definition
Traditional IP
Precedence
E-Series
Internal
Queue ID
C-Series and
S-Series
Internal
Queue ID
DSCP/CP
Decimal
111XXX Network
Control
7 3 48–63
110XXX Internetwork
Control
6 3 48–63
101XXX EF
(Expedited
Forwarding)
CRITIC/ECP 5 2 32–47
100XXX AF4 (Assured
Forwarding)
Flash
Override
4 2 32–47
011XXX AF3 Flash 3 1 16–31
010XXX AF2 Immediate 2 1 16–31
001XXX AF1 Priority 1 0 0–15
000XXX BE (Best
Effort)
Best Effort 0 0 0–15
1367