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TCP Giveups

Unanswered Question
Aug 20th, 2002
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Having issues with DLSW peer dying. Maybe some of the keepalives are not being processed properly?. Packet output on Serial, and local interface indicates no drops. No buffer failures, missess, very few trims, nothing to be concerned about I would think. There are, though, many Giveups in the "show tcp" stats.... Anyone know what this means?


Event Timers (current time is 0x13F82CB4C):

Timer Starts Wakeups Next

Retrans 10449 0 0x0

TimeWait 0 0 0x0

AckHold 10450 0 0x0

SendWnd 0 0 0x0

KeepAlive 0 0 0x0

GiveUp 10448 0 0x0

PmtuAger 0 0 0x0

DeadWait 0 0 0x0


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Gilles Dufour Tue, 08/20/2002 - 04:59
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It means that each time we don't get an ACK there is a retransmit.

However, if we don't retransmit forever,

After a certain time we 'GiveUp' retransmitting.


You should check if the other side is sending the ACK or not.

Use a sniffer trace if necessary.

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