[nmglug] netstat tcp
a
a at kaluta.us
Fri Jan 14 06:38:29 PST 2011
The retransmit packet loss is under 10-15%
I would not worry about it.
Best
a
On Fri, 2011-01-14 at 06:30 -0700, a wrote:
> For the network guys;
>
> Is the tcp retransmit segments number shown below,that being 394,
> a point of concern?
>
> Anthony
>
>
> As part of solving a checksum problem,
> results of some suggested Diagnostics
> memtest80+ long test passed (0-9)
> Segate Disc diagnostics passed
>
>
>
>
>
> a at desktop:~$ netstat -s -p tcp
> Ip:
> 28847 total packets received
> 0 forwarded
> 0 incoming packets discarded
> 28845 incoming packets delivered
> 28700 requests sent out
> 9 dropped because of missing route
> Icmp:
> 569 ICMP messages received
> 0 input ICMP message failed.
> ICMP input histogram:
> echo replies: 569
> 710 ICMP messages sent
> 0 ICMP messages failed
> ICMP output histogram:
> destination unreachable: 8
> echo request: 702
> IcmpMsg:
> InType0: 569
> OutType3: 8
> OutType8: 702
> Tcp:
> 978 active connections openings
> 38 passive connection openings
> 43 failed connection attempts
> 27 connection resets received
> 3 connections established
> 22798 segments received
> 22126 segments send out
> 394 segments retransmited
> 0 bad segments received.
> 469 resets sent
> Udp:
> 5474 packets received
> 8 packets to unknown port received.
> 0 packet receive errors
> 5515 packets sent
> UdpLite:
> TcpExt:
> 353 TCP sockets finished time wait in fast timer
> 646 delayed acks sent
> Quick ack mode was activated 275 times
> 12979 packet headers predicted
> 1653 acknowledgments not containing data payload received
> 225 predicted acknowledgments
> 37 congestion windows recovered without slow start after partial
ack
> 3 timeouts after SACK recovery
> 1 retransmits in slow start
> 147 other TCP timeouts
> 272 DSACKs sent for old packets
> 49 DSACKs received
> 45 connections reset due to unexpected data
> 24 connections reset due to early user close
> 38 connections aborted due to timeout
> TCPDSACKIgnoredOld: 27
> TCPDSACKIgnoredNoUndo: 16
> TCPSackShiftFallback: 3
> IpExt:
> InNoRoutes: 2
> InMcastPkts: 317
> OutMcastPkts: 282
> InBcastPkts: 435
> OutBcastPkts: 435
> InOctets: 27334560
> OutOctets: 3045490
> InMcastOctets: 26537
> OutMcastOctets: 25433
> InBcastOctets: 59160
> OutBcastOctets: 59160
> a at desktop:~$
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