From: Brehl, Blake (Blake.Brehl@anritsu.com)
Date: Mon Oct 28 2002 - 14:17:37 EST
We're enabling tcp_keepalive (tcp_keepalive_default = 1) for the first time,
to address telnet clients that drop without returning a signal 1. This has
been compounded by remote clients on VPN on LINKSYS Cable modems.
I'm trying to determine how aggressive I can make the settings. The
Database vendor has recommended minimums, but doesn't qualify why. I've
tried more aggressive setting on a development box and haven't seen any
problems.
Factory db vendor Development
Default minimums Box try
TCP_KEEPIDLE 2 hours 15 minutes 3 minutes
TCP_KEEPINTVL 75 seconds 60 seconds 15 seconds
TCP_KEEPCNT 8 6 8
Total time
till disconnect 2 hr 10 minutes 21 minutes 5 minutes
It would be wonderful if these drops could be cleaned up in minutes. I'm
wondering how aggressive I can set this? Please share your settings and any
warnings.
Tru64UNIX 5.1 pk1, and 5.1A pk1
Best Regards,
Blake Brehl
Sr. Database Administrator
Anritsu Company United States
Morgan Hill, CA
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