trust
Specify dynamic classification (DSCP) or dot1p to trust.
Syntax
trust {diffserv [fallback]| dot1p [fallback]}
Parameters
diffserv
Enter the keyword
diffserv
to specify trust of DSCP
markings.
dot1p
Enter the keyword
dot1p
to specify trust dot1p
configuration.
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)
Command
History
Version 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.
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
1104
Quality of Service (QoS)