FTP transfer failed when PIX failover

Unanswered Question
Aug 6th, 2008
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I have 2 PIX 515E in HA. Lan based failover and stateful failover configured. If I start FTP from outside to inside and just login to the ftp server and do not do a transfer, fail a pix and there is a pause (47sec) while the secondary pix takes over but the ftp connection stays active and I do not have to login again. However if I have an ftp transfer running and fail a pix you get a netout:connection reset by peer and you lose the ftp connection and have to login again. I was expecting the transfer to pause while secondary pix takes over and then continue. Anyone now why its not doing that?

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j-tucker Wed, 08/06/2008 - 03:59
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The default holddown is 45 seconds. I tested at 20 seconds and the same thing occurred. Dropped it to 6 seconds and it the ftp transfer worked ok. So must be the DOS ftp client droping the transfer when traffic stops for more than 15 sec.

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