今天查看系統日志發現大量的nf_conntrack: table full, dropping packet. 錯誤
cat /var/log/messages | more
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
解決辦法:
vim /etc/sysctl.conf
加入:
net.nf_conntrack_max = 655350
net.netfilter.nf_conntrack_tcp_timeout_established = 1200
CENTOS 6.1或以上版本使用:
net.netfilter.nf_conntrack_max = 655350
net.netfilter.nf_conntrack_tcp_timeout_established = 1200
保存后執行 sysctl -p 使之生效,然后觀察該錯誤是不是沒有了。
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:05 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:10 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:15 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:23 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
Jun??7 09:52:30 localhost kernel: nf_conntrack: table full, dropping packet.
解決辦法:
vim /etc/sysctl.conf
加入:
net.nf_conntrack_max = 655350
net.netfilter.nf_conntrack_tcp_timeout_established = 1200
CENTOS 6.1或以上版本使用:
net.netfilter.nf_conntrack_max = 655350
net.netfilter.nf_conntrack_tcp_timeout_established = 1200
保存后執行 sysctl -p 使之生效,然后觀察該錯誤是不是沒有了。
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