How to debug issue when in logs there are messages like 'nf_conntrack: table full, dropping packet.' ?
Issue
/var/log/messages/has logs likenf_conntrack: table full, dropping packet.Which are seen whennf_conntracktable get full.- Increasing the value of parameter
net.netfilter.nf_conntrack_max = <value>can increase the table size but at the cost of memory utilization. - So how to find out what exactly has caused to increase the number of connection ? Because of which connections the table has got full ?
Environment
- Red Hat Enterprise Linux 6 (All Versions)
- Red Hat Enterprise Linux 5 (All Versions)
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