CentOS上配置LVS DR集群

CentOS上配置LVS DR集群

I. 环境
3台集群服务器操作系统:CentOS 5.5 x86

1台客户端操作系统:Windows 2008 x64

II. 网络拓扑图

CentOS上配置LVS DR集群

LVS集群使用DR模式,1个DS(Director Server),2个RS(Real Server)。路由只有一个,RouteA=RouteB。上图中的GW为网关(GateWay),VIP为LVS中的虚拟IP。

III. 服务器配置
· DS
修改/etc/sysctl.conf文件:

net.ipv4.ip_forward = 1

通过命令sysctl –p使其生效。

修改/etc/sysconfig/network-scripts/ifcfg-eth0文件:

DEVICE=eth0

BOOTPROTO=static

ONBOOT=yes

NETMASK=255.255.255.0

IPADDR=192.168.137.101

BROADCAST=192.168.137.255

GATEWAY=192.168.137.1

新建或修改/etc/sysconfig/network-scripts/ifcfg-eth0:0文件:

DEVICE=eth0:0

BOOTPROTO=static

ONBOOT=yes

NETMASK=255.255.255.0

IPADDR=192.168.137.137

BROADCAST=192.168.137.255

GATEWAY=192.168.137.1

配置后ifconfig命令返回如下结果:

eth0 Link encap:Ethernet HWaddr 08:00:27:25:39:D9

inet addr:192.168.137.101 Bcast:192.168.137.255 Mask:255.255.255.0

inet6 addr: fe80::a00:27ff:fe25:39d9/64 Scope:Link

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:3757711 errors:0 dropped:0 overruns:0 frame:0

TX packets:2475767 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:250120448 (238.5 MiB) TX bytes:159666117 (152.2 MiB)

eth0:0 Link encap:Ethernet HWaddr 08:00:27:25:39:D9

inet addr:192.168.137.137 Bcast:192.168.137.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:25241 errors:0 dropped:0 overruns:0 frame:0

TX packets:25241 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:3785187 (3.6 MiB) TX bytes:3785187 (3.6 MiB)

linux

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