Dell Force10 S25N-S50N FTOS Command Line Reference Guide FTOS 8.4.2.7 E-Series - Page 1222
Table 47-9., Standard Default DSCP Mapping Table, fallback, ipv6-diffserv, dot1p, BE Best Effort
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www.dell.com | support.dell.com fallback ipv6-diffserv Enter this keyword to classify packets according to their DSCP value as a secondary option in case no match occurs against the configured class maps. On E-Series only, enter the keyword ipv6-diffserv to specify trust configuration of IPv6 DSCP. Defaults No default behavior or values Command Modes CONFIGURATION (conf-policy-map-in) Command History Version 8.3.1.0 Version 8.2.1.0 Version 7.6.1.0 Version 7.5.1.0 Version 7.4.1.0 pre-Version 6.1.1.1 fallback available on the E-Series. dot1p available on the C-Series and S-Series. Introduced on S-Series Introduced on C-Series Expanded to add support for dot1p and IPv6 DSCP Introduced on E-Series Usage When trust is configured, matched bytes/packets counters are not incremented in the show qos Information statistics command. The trust diffserv feature is not supported on E-Series ExaScale when an IPv6 microcode is enabled. Dynamic mapping honors packets marked according to the standard definitions of DSCP. The default mapping table is detailed in the following table. Table 47-9. Standard Default DSCP Mapping Table DSCP/CP hex range (XXX) 111XXX 110XXX 101XXX 100XXX 011XXX 010XXX 001XXX 000XXX DSCP Definition Traditional IP Precedence E-Series C-Series and DSCP/CP Internal Queue S-Series Internal decimal ID Queue ID Network Control 7 Internetwork Control 6 3 48-63 3 EF (Expedited CRITIC/ECP 5 Forwarding) AF4 (Assured Flash Override 4 Forwarding) 2 32-47 2 AF3 Flash 3 1 16-31 AF2 Immediate 2 1 AF1 Priority 1 BE (Best Effort) Best Effort 0 0 0-15 0 1222 | Quality of Service (QoS)