#如果在编译时碰到了No SO_MARK错误，如下
# ./configure
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
...........
checking for nl_socket_alloc in -lnl-3... no
checking for nl_socket_modify_cb in -lnl... no
configure: WARNING: keepalived will be built without libnl support.
checking for kernel version... 2.6.18
checking for IPVS syncd support... yes
checking for kernel macvlan support... no
checking whether SO_MARK is declared... no
configure: error: No SO_MARK declaration in headers
#可以通过增加disable-fwmark参数来解决
--disable-fwmark compile without SO_MARK support
CentOS 6.3下Haproxy+Keepalived+Apache配置笔记
Haproxy + KeepAlived 实现WEB群集 on CentOS 6