Cisco Nexus 5500 Series Command Reference Manual page 76

Nx-os security command reference
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deny udp (IPv4)
dscp dscp
fragments
Cisco Nexus 5500 Series NX-OS Security Command Reference
62
(Optional) Specifies that the rule matches only those packets with the
specified 6-bit differentiated services value in the DSCP field of the IP
header. The dscp argument can be one of the following numbers or
keywords:
0–63—The decimal equivalent of the 6 bits of the DSCP field. For
example, if you specify 10, the rule matches only those packets that have
the following bits in the DSCP field: 001010.
af11—Assured Forwarding (AF) class 1, low drop probability (001010)
af12—AF class 1, medium drop probability (001100)
af13—AF class 1, high drop probability (001110)
af21—AF class 2, low drop probability (010010)
af22—AF class 2, medium drop probability (010100)
af23—AF class 2, high drop probability (010110)
af31—AF class 3, low drop probability (011010)
af32—AF class 3, medium drop probability (011100)
af33—AF class 3, high drop probability (011110)
af41—AF class 4, low drop probability (100010)
af42—AF class 4, medium drop probability (100100)
af43—AF class 4, high drop probability (100110)
cs1—Class-selector (CS) 1, precedence 1 (001000)
cs2—CS2, precedence 2 (010000)
cs3—CS3, precedence 3 (011000)
cs4—CS4, precedence 4 (100000)
cs5—CS5, precedence 5 (101000)
cs6—CS6, precedence 6 (110000)
cs7—CS7, precedence 7 (111000)
default—Default DSCP value (000000)
ef—Expedited Forwarding (101110)
(Optional) Specifies that the rule matches only those packets that are
noninitial fragments. You cannot specify this keyword in the same rule that
you specify Layer 4 options, such as a TCP port number, because the
information that the switch requires to evaluate those options is contained
only in initial fragments.
Chapter
D Commands
OL-27883-02

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