Re: What is TCPRenoRecoveryFail ?

Andi Kleen (ak@suse.de)
27 Feb 2002 15:46:07 +0100


Bjorn Wesen <bjorn.wesen@axis.com> writes:

> Around the time of the packet loss happened, the counter
> TCPRenoRecoveryFail increased by one, but I'm not sufficiently into the
> TCP code to figure out why that happens and if that is the reason why
> Linux stop retransmitting anything.. any ideas ?

TCPRenoRecovery fail just means that fast retransmit didn't help and
it is going into a full retransmit. Fast retransmit is a short cut retransmit
mechanism that works faster when only a few packets got lost. You lost
more than 1. You have to find out why you are losing them.

-Andi
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