LVS-DR负载均衡-02

LB及其RS配置 3.1 负载均衡器配置配置停止路由转发功能[root@lvs01 linux]# sysctl   -w  net.ipv4.ip_forward=0net.ipv4.ip_forward = 0[root@lvs01 linux]# sysctl   -w  net.ipv4.conf.all.send_redirects=1net.ipv4.conf.all.send_redirects = 1[root@lvs01 linux]# sysctl   -w  net.ipv4.conf.default.send_redirects=1net.ipv4.conf.default.send_redirects = 1通过eth0绑定[root@lvs01 linux]# sysctl   -w  net.ipv4.conf.eth0.send_redirects=1net.ipv4.conf.eth0.send_redirects = 1设置虚拟IP地址[root@lvs01 linux]# ifconfig   eth0:0  192.168.28.111  netmask  255.255.255.0启用eth0:0[root@lvs01 linux]# ifconfig  eth0:0  up清除ipvs规则表[root@lvs_01 ~]# ipvsadm  -C查看集群分布[root@lvs_01 ~]# ipvsadm  -L -nIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn为避免ARP解析 增加主机路由[root@lvs01 linux]# /sbin/route   add   -host  192.168.28.111  dev  eth0:0[root@lvs_01 ~]# route  -nKernel IP routing tableDestination     Gateway         Genmask         Flags Metric Ref    Use Iface192.168.2.111   0.0.0.0         255.255.255.255 UH    0      0        0 eth0192.168.28.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth00.0.0.0         192.168.28.2    0.0.0.0         UG    0      0        0 eth0[root@lvs_01 ~]#[root@lvs01 linux]# ipvsadm  -A  -t  192.168.28.111:80  -s  rr在LB MASTER中增加真实服务器[root@lvs01 linux]# ipvsadm  -a  -t  192.168.28.111:80 -r 192.168.28.134 -g -w 1[root@lvs01 linux]# ipvsadm  -a  -t  192.168.28.111:80 -r 192.168.28.135 -g -w 2[root@lvs_01 ~]#  ipvsadm  -L -nIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags  -> RemoteAddress:Port           Forward Weight ActiveConn InActConnTCP  192.168.28.111:80 rr  -> 192.168.28.135:80            Route   1      0          0          -> 192.168.28.134:80            Route   1      0          0         注：Backup LB中安装配置和MASTER一致    3.2 RServer 应用真实服务器配置 [root@rs01 ~]# sysctl   -w  net.ipv4.ip_forward=0忽略arp设置[root@rs01 ~]# sysctl   -w  net.ipv4.conf.lo.arp_ignore=1设置Arp宣告值[root@rs01 ~]# sysctl   -w  net.ipv4.conf.lo.arp_announce=2net.ipv4.conf.lo.arp_announce = 2[root@rs01 ~]# sysctl -w net.ipv4.conf.all.arp_ignore=1net.ipv4.conf.all.arp_ignore = 1[root@rs01 ~]# sysctl -w net.ipv4.conf.all.arp_announce=2net.ipv4.conf.all.arp_announce = 2配置RS02中VIP地址[root@rs01 ~]# /sbin/ifconfig   lo:0  192.168.28.111  netmask 255.255.255.255  broadcast 192.168.28.111 up查看路由表[root@localhost html]# route  -nKernel IP routing tableDestination     Gateway         Genmask         Flags Metric Ref    Use Iface192.168.28.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth00.0.0.0         192.168.28.2    0.0.0.0         UG    0      0        0 eth0 增加主机虚拟IP[root@rs01 ~]# /sbin/route  add  -host  192.168.28.111   dev  lo:0再次查看路由表[root@localhost html]# route  -nKernel IP routing tableDestination     Gateway         Genmask         Flags Metric Ref    Use Iface192.168.28.111  0.0.0.0         255.255.255.255 UH    0      0        0 lo192.168.28.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0 eth00.0.0.0         192.168.28.2    0.0.0.0         UG    0      0        0 eth0虚拟IP已添加进来 注：RS02 配置过程与RS01一致,参照RS01配置