One possibly related bit...
Each time TCP had to retransmit, the timeout for the next
retransmission of that same segment (packet) was doubled. So, if the
link is down for a little over a second or so, it could have had its
RTO back-off enough to get close to 4 or more seconds. Depends in
part on what the initial RTO was relative to the actual length of the
link's "downness."
rick jones
--
denial, anger, bargaining, depression, acceptance, rebirth...
where do you want to be today?
these opinions are mine, all mine; HP might not want them anyway...

feel free to post, OR email to rick.jones2 in hp.com but NOT BOTH...