TCP out-of-order packets.

Julian Elischer julian at elischer.org
Thu Jan 13 17:18:55 PST 2005



Wilkinson, Alex wrote:

>    0n Thu, Jan 13, 2005 at 03:34:03PM -0800, Julian Elischer wrote: 
>
>    >DeltaT  SEQ-SRTR:SEQ_END    packet#
>    >------------------------------------------
>    >346853 2856:2920(64)            1
>    >370821 2920:4368(1448)          2
>    >004410 8712:10160(1448)         6
>    >007848 12608:14056(1448)        9
>    >007057 18400:19848(1448)        13
>    >004027 11160:12608(1448)        8
>    >005553 4368:5816(1448)          3
>    >002390 16952:18400(1448)        12
>    >005745 7264:8712(1448)          5
>    >001204 5816:7264(1448)          4
>    >008326 14056:15504(1448)        10
>    >002555 10160:11160(1000)        7
>    >004091 19848:21296(1448)        14
>    >004287 15504:16952(1448)        11
>    >358289 22744:24192(1448)        16
>    >001891 21296:22744(1448)        15
>    >048289 4368:5816(1448)          DUP of 3
>    >025538 5816:7264(1448)          DUP of 4
>    >018761 10160:11608(1448)        DUP of 7
>    >062939 25640:27088(1448)        18
>    >005493 15504:16952(1448)        DUP of 11
>    >007903 24192:25640(1448)        17
>    >002207 27088:28536(1448)        19
>    >028675 21296:22744(1448)        DUP of 15
>    >176400 28536:29984(1448)        20
>    >020889 29984:31432(1448)        21
>    >092304 24192:25640(1448)        DUP of 17
>    >038396 31432:32880(1448)        22
>    >015146 32880:34328(1448)        23
>    >010362 27088:28536(1448)        DUP of 19
>    >027400 35776:37224(1448)        25
>    >008269 28536:29984(1448)        DUP of 20
>    >012537 34328:35776(1448)        24
>    >294035 37224:38672(1448)        26
>    >078059 34328:35776(1448)        DUP of 24
>    >267701 40120:41568(1448)        28
>    >017393 38672:40120(1448)        27
>    >019769 41568:43016(1448)        29
>    >339347 44464:45912(1448)        31
>    >003887 43016:44464(1448)        30
>    >123755 45912:47360(1448)        32
>    >228883 47360:48808(1448)        33
>    >013437 48808:50256(1448)        34
>    >219579 50256:51704(1448)        35
>    >144501 51704:53152(1448)        36
>    >001200 53152:54600(1448)        37
>    >029175 54600:56048(1448)        38
>    >183158 56048:57496(1448)        39
>    >157127 58944:60392(1448)        40
>    >
>    >By here the sender has backed right off.
>
>What tool did u use to gather these stats ?
>

tcpdump, awk and vi
:-)
(would have been nice if it had been automatic but it was manual..)

>
> -  aW
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