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39 as a module at run-time, run the following command as root:
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66 .Ss Compile-time Configuration
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73 CFLAGS+=-DSIFTR_IPV6
80 In the IPv4-only (default) mode, standard dotted decimal notation (e.g.
83 and standard colon-separated hex notation (see RFC 4291) is used to format IPv6
85 .Ss Run-time Configuration
89 interface to export its configuration variables to user-space.
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142 The fields are tab delimited key-value
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178 .Qq Compile-time Configuration
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213 or colon-separated hex (IPv6 packet) notation.
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222 or colon-separated hex (IPv6 packet) notation.
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305 The current number of unacknowledged bytes in-flight.
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333 The fields are tab delimited key-value pairs which provide statistics about
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342 flow_list=10.1.1.2;32291-10.1.1.3;5001,10.1.1.2;58544-10.1.1.3;5001,
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387 TCP control block associated with the packet.
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392 the TCP control block associated with the packet.
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397 IP control block associated with the packet.
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402 the IP control block associated with the packet.
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414 .Qq local_ip;local_port-foreign_ip;foreign_port .
422 enable/disable cycle should equate to total_tcp_pkts - total_skipped_tcp_pkts.
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441 ----------------------------------
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454 ---------
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484 the system to trigger a dump of the state of the TCP control block for that
486 With the PPL set to 1, we are in effect sampling each TCP flow's control block
489 packet (inbound OR outbound) causes a dump of the control block state.
492 control block is important, because
497 allows you to correlate and observe the cause-and-affect relationship between
500 and changes in the TCP control block corresponding to the flow of interest.
509 As a result of needing to interrogate the TCP control block, certain packets
513 The initial handshake takes place without the existence of a control block or
514 the complete initialization of the control block, and the final ACK is
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620 project 2008-2009.
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644 to cope with bursty network traffic, but sustained high packet-per-second
718 and processing overhead on the system for non-TCP packets as well.
723 cannot observe the cause-and-affect relationship between inbound events and the
724 corresponding TCP control block as precisely as could be.
734 tend to trigger outbound events, allowing the cause-and-effect to be observed