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几天前给一个服务器安装OpenVZ后，使用iptables添加nat规则时，出现错误提示：

iptables v1.4.7: can't initialize iptables table `nat': Table does not exist (do
Perhaps iptables or your kernel needs to be upgraded.

1 2	iptables v1.4.7: can't initialize iptables table `nat': Table does not exist (do Perhaps iptables or your kernel needs to be upgraded.

执行lsmod看了下：

[root@localhost ~]# lsmod | grep nat
nf_nat_ftp              3523  0 
nf_conntrack_ftp       12929  1 nf_nat_ftp
iptable_nat             6302  0 
nf_nat                 23213  4 vzrst,ipt_REDIRECT,nf_nat_ftp,iptable_nat
nf_conntrack_ipv4       9946  4 iptable_nat,nf_nat
nf_conntrack           80281  8 vzrst,vzcpt,nf_nat_ftp,nf_conntrack_ftp,xt_state,iptable_nat,nf_nat,nf_conntrack_ipv4
ip_tables              18119  3 iptable_mangle,iptable_filter,iptable_nat

[root@localhost ~]# lsmod | grep nat

nf_nat_ftp 3523 0

nf_conntrack_ftp 12929 1 nf_nat_ftp

iptable_nat 6302 0

nf_nat 23213 4 vzrst,ipt_REDIRECT,nf_nat_ftp,iptable_nat

nf_conntrack_ipv4 9946 4 iptable_nat,nf_nat

nf_conntrack 80281 8 vzrst,vzcpt,nf_nat_ftp,nf_conntrack_ftp,xt_state,iptable_nat,nf_nat,nf_conntrack_ipv4

ip_tables 18119 3 iptable_mangle,iptable_filter,iptable_nat

发现相关的NAT模块都已经加载，应该与内核无关。更换内核回2.6.32-431.11.2.el6，问题还是如此，无奈之下重装系统。安装系统后，我手动一个个下载OpenVZ的RPM包，一个个安装，然后重启后nat表是否可以使用，最后发现安装vzctl 4.7并且重启后，iptables的nat表就出问题了。看了下官网，原来在OpenVZ在2014 […]

Tag: vzctl

解决安装OpenVZ vzctl 4.7后iptables nat表提示”can’t initialize iptables table `nat’: Table does not exist (do you need to insm Perhaps iptables or your kernel needs to be upgraded.”