Netgear NETGEAR Manual Do Utilizador

Quality of Service (QoS) Commands

11-15

This command adds to the specified class definition a match condition based on the value of the IP 
DiffServ Code Point (DSCP) field in a packet, which is defined as the high-order six bits of the 
Service Type octet in the IP header (the low-order two bits are not checked). The optional [

parameter has the effect of negating this match condition for the class (i.e., match all IP DSCP 
values except for what is specified here). The <

value is specified as either an integer from 

0 to 63, or symbolically through one of the following keywords: 

.

Note: The ip dscp, ip precedence, and ip tos match conditions are alternative ways to specify a 
match criterion for the same Service Type field in the IP header, but with a slightly different user 
notation.

Note: To specify a match on all DSCP values, use the match [not] ip tos <tosbits> <tosmask> 
command with <tosbits> set to 0 and <tosmask> set to 03 (hex).

none

This command adds to the specified class definition a match condition based on the value of the IP 
Precedence field in a packet, which is defined as the high-order three bits of the Service Type octet 
in the IP header (the low-order five bits are not checked). The precedence value is an integer from 
0 to 7. The optional [

parameter has the effect of negating this match condition for the class 

(i.e., match all IP Precedence values except for what is specified here). 

Note: The ip dscp, ip precedence, and ip tos match conditions are alternative ways to specify a 
match criterion for the same Service Type field in the IP header, but with a slightly different user 
notation.

Note: To specify a match on all Precedence values, use the match [not] ip tos <tosbits> <tosmask> 
command with <

set to 0 and <

set to 1F (hex). 

none