nf_conntrack: table full, dropping packet 错误解决今天查看系统日志发现大量的nf_conntrack: table full, dropping packet. 错误 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. 解决办法： vi /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 保存后执行 sysctl -p 使之生效，然后观察该错误是不是没有了。 |
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