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netfilter_conntrack lose connection?

DISCUSSION medialy 1 participant 1 message Sep 21, 2011

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medialy

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Linux server works as a router, processing tcp and udp data(about 600Mbps). An application based on netfilter_conntrack api catch less than 1 connection per second, while tcpdump show more than 10 connections per second. The application works quite well on more than 20 servers.

Is there any solution?

OS:
Linux 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:14 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux pcap:
/usr/lib64/libpcap.so.0.9.4