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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 環境準備和軟件安裝 ### 網絡環境規劃 橋接模擬內網,內網間dip和rip可以相互通信,僅主機模擬公網 ~~~ ds eth0:dip 192.168.8.100(橋接);eth1:vip 192.168.100.100(僅主機) rs1 eth0:rip 192.168.8.101(橋接),網關為:192.168.8.100 rs2 eth0:rip 192.168.8.102(橋接),網關為:192.168.8.100 ~~~ ### 時間偏差控制 各節點間的時間偏差不能超過1s 添加任務計劃的方法 ~~~ # crontab -e */20 * * * * /sbin/ntpdate pool.ntp.org > /dev/null 2>&1 ~~~ ### ipvsadm安裝(director server) ~~~ yum install -y ipvsadm ~~~ ## 配置 ### 打開ip_forward轉發功能 ~~~ echo 1 > /proc/sys/net/ipv4/ip_forward # 或者 sysctl -w net.ipv4.ip_forward=1 ~~~ ### 添加ipvsadm規則 ~~~ ipvsadm -A -t 192.168.100.100:80 -s rr ipvsadm -a -t 192.168.100.100:80 -r 192.168.8.101:80 -m ipvsadm -a -t 192.168.100.100:80 -r 192.168.8.102:80 -m ~~~ ## 測試 經過測試,iptables不用關閉,但需要清空nat鏈,input鏈可以有相應的規則 ## 一鍵安裝配置腳本 ~~~ #! /bin/bash # 安裝軟件 yum clean expire-cache && yum makecache yum install -y ipvsadm # 網絡規劃 vip=192.168.206.128 rs1=192.168.101.222 rs2=192.168.101.223 # director 服務器上開啟路由轉發功能 echo 1 > /proc/sys/net/ipv4/ip_forward # director 清空nat防火墻規則 iptables -t nat -F iptables -t nat -X # director設置ipvsadm IPVSADM='/sbin/ipvsadm' $IPVSADM -C $IPVSADM -A -t $vip:80 -s rr $IPVSADM -a -t $vip:80 -r $rs1:80 -m $IPVSADM -a -t $vip:80 -r $rs2:80 -m ~~~
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