Dell Networking 7048, Справочное руководство

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QoS Commands
687
Default Configuration
This command has no default configuration.
Command Mode
Class-Map Configuration mode
User Guidelines
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.
To specify a match on all precedence values, use the
match ip tos tosbits
tosmask
command with tosbits set to "0" (zero) and tosmask set to hex "1F."
Example
The following example displays adding a match condition based on the value
of the IP precedence field.
console(config-classmap)#match ip precedence 1
match ip tos
Use the match ip tos command in Class-Map Configuration mode to add to
the specified class definition a match condition based on the value of the IP
TOS field in a packet. This field is defined as all eight bits of the Service Type
octet in the IP header.
Syntax
match ip tos
tosbits tosmask
•
tosbits
— Specifies a two-digit hexadecimal number. (Range: 00–ff)
•
tosmask
— Specifies the bit positions in the tosbits parameter that are
used for comparison against the IP TOS field in a packet. This value of this
parameter is expressed as a two-digit hexadecimal number. (Range: 00–ff)
Default Configuration
This command has no default configuration.
2CSPC4.X7000-SWUM204.book Page 687 Friday, March 15, 2013 8:22 AM