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List:       cisco-nsp
Subject:    Re: What does TCB stand for?
From:       Eric Osborne <eosborne () cisco ! com>
Date:       2001-07-31 1:51:09
[Download RAW message or body]

> Hello Again Everyone,
> 
> After more rentless searching I found the answer to my own question.
> It has to do with BSD, but I'm sure it's fairly revelant in the cisco 
> case...  Also thanks to Eric for his help as well.

Also,

vxr15#sh tcp br
TCB       Local Address           Foreign Address        (state)
619FFF0C  192.168.1.15.11001      192.168.1.6.179        ESTAB
61819818  192.168.22.15.179       192.168.22.14.11010    ESTAB
61A026A0  192.168.1.15.11000      192.168.1.1.711        ESTAB
vxr15#sh tcp tcb 619FFF0C
Connection state is ESTAB, I/O status: 1, unread input bytes: 0
Local host: 192.168.1.15, Local port: 11001
Foreign host: 192.168.1.6, Foreign port: 179

Enqueued packets for retransmit: 0, input: 0  mis-ordered: 0 (0 bytes)

Event Timers (current time is 0x11CBF068):
Timer          Starts    Wakeups            Next
Retrans          4980          0             0x0
TimeWait            0          0             0x0
AckHold          4978       4789             0x0
SendWnd             0          0             0x0
KeepAlive           0          0             0x0
GiveUp              0          0             0x0
PmtuAger            0          0             0x0
DeadWait            0          0             0x0

iss: 3477712638  snduna: 3477807526  sndnxt: 3477807526     sndwnd:
16270
irs: 1474626441  rcvnxt: 1474721155  rcvwnd:      15890  delrcvwnd: 
494

SRTT: 300 ms, RTTO: 607 ms, RTV: 3 ms, KRTT: 0 ms
minRTT: 0 ms, maxRTT: 300 ms, ACK hold: 200 ms
Flags: higher precedence, nagle

Datagrams (max data segment is 536 bytes):
Rcvd: 9939 (out of order: 0), with data: 4978, total data bytes: 94713
Sent: 9941 (retransmit: 0), with data: 4979, total data bytes: 94887




eric

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