在centos6.4中优化内核，执行sysctl -p时会出现以下错误
error: "net.ipv4.ip_conntrack_max" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_max" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_established" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait" is an unknown key
error: "net.ipv4.netfilter.ip_conntrack_tcp_timeout_fin_wait" is an unknown key
解决方法
net.nf_conntrack_max = 25000000
net.netfilter.nf_conntrack_max = 25000000
net.netfilter.nf_conntrack_tcp_timeout_established = 180
net.netfilter.nf_conntrack_tcp_timeout_time_wait = 120
net.netfilter.nf_conntrack_tcp_timeout_close_wait = 60
net.netfilter.nf_conntrack_tcp_timeout_fin_wait = 120
error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
error: "net.bridge.bridge-nf-call-iptables" is an unknown key
error: "net.bridge.bridge-nf-call-arptables" is an unknown key
解决方法
modprobe bridge
lsmod|grep bridge
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