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10.17.2.11 match ip tos
This command adds to the specified class definition a match condition based on the value of the IP TOS
field in a packet, which is defined as all eight bits of the Service Type octet in the IP header.
Syntax
match ip tos <tosbits> <tosmask>
<tosbits> is a two-digit hexadecimal number from 00 to ff.
<tosmask> is a two-digit hexadecimal number from 00 to ff.
The <tosmask> denotes the bit positions in <tosbits> that are used for comparison against the IP TOS
field in a packet. For example, to check for an IP TOS value having bits 7 and 5 set and bit 1 clear, where
bit 7 is most significant, use a <tosbits> value of a0 (hex) and a <tosmask> of a2 (hex).
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: In essence, this the “free form” version of the IP DSCP/Precedence/TOS match specification in that
the user has complete control of specifying which bits of the IP Service Type field are checked.
Default
None
Command Mode
Class-Map Config
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