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对于Apache，可以更改httpd.conf中的以下行来实现多个名字的虚拟主机：
NameVirtualHost 63.89.102.157:80
NameVirtualHost 65.3.17.133:80
Inbound LDAP and SSH traffic are distributed using
round-robin DNS and require no special configuration.
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启动脚本
为了支持我们的网络配置，必须对启动脚本进行一些更改。这里更改的脚本是指Red Hat的，不过我们很容易把其推广到其它的Linux发行套件。系统启动以后，ip rule命令只能被执行一次。我们可以把以下的行添加到/etc/rc.d/init.d/network脚本中来实现这一目的：
# Add non interface-specific static-rules
if [ -f /etc/sysconfig/static-rules ]; then
sh /etc/sysconfig/static-rules
fi
/etc/sysconfig/static-rules文件内容：
# Setup source IP routing rules
ip rule add from 63.89.102.157 lookup 1
ip rule add from 65.3.17.133 lookup 2
# Setup load balancing
ip route add default equalize
nexthop via 63.89.102.1 dev eth1
nexthop via 65.3.17.1 dev eth2
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每一次对某个接口执行ifup后，都必须要执行ip route命令。我们可以在/etc/sysconfig/network-scripts/ifup-routes中添加以下行来实现该目的：
# Add any advanced routes
grep "^advanced " /etc/sysconfig/static-routes |
while read ignore dev args; do
if [ "$dev" = "$1" ]; then
/sbin/ip route add $args
fi
done
/etc/sysconfig/static-routes文件内容：
advanced eth0 10.0.0.0/24 via 10.0.0.1 table 1
advanced eth0 10.0.0.0/24 via 10.0.0.1 table 2
advanced eth1 0/0 via 63.89.102.1 table 1
advanced eth2 0/0 via 65.3.17.1 table 2
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