Juniper ACX1000 Configuration Manual page 1119

Table 74: Firewall Filter Match Conditions for IPv6 Traffic (continued)
Match Condition
tcp-initial
traffic-class number
Copyright © 2017, Juniper Networks, Inc.
Description
Match the initial packet of a TCP connection. This is a text synonym for
This condition does not implicitly check that the protocol is TCP. If you configure this match
condition, we recommend that you also configure the
same term.
Match the 8-bit field that specifies the class-of-service (CoS) priority of the packet.
This field was previously used as the type-of-service (ToS) field in IPv4.
You can specify a numeric value from
include 0x as a prefix. To specify the value in binary form, include
In place of the numeric value, you can specify one of the following text synonyms (the field values
are also listed):
RFC 3246, An Expedited Forwarding PHB (Per-Hop Behavior), defines one code point:
RFC 2597, Assured Forwarding PHB Group, defines 4 classes, with 3 drop precedences in each
class, for a total of 12 code points:
(10), (12), (14)
af11 af12 af13
(18), (20),
af21 af22 af23
af31 (26), af32 (28), af33
af41 (34), af42 (36), af43
next-header tcp
0 through 63 . To specify the value in hexadecimal form,
(22)
(30)
(38)
Chapter 32: Configuring Firewall Filters
tcp-flags "(!ack & syn)"
match condition in the
b as a prefix.
(46).
ef
.
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