[精选]F5负载均衡设备组网架构ksk.pptx
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1、F5 LTM组网架构组网架构李兴华F5 售前工程师 F5 Networks单臂接入模式单臂接入模式双臂接入模式双臂接入模式远程节点模式远程节点模式加入独立加入独立SSL/WA/ASMSSL/WA/ASM设备设备防火墙负载均衡防火墙负载均衡多链路接入多链路接入灾备站点静态路由注入灾备站点静态路由注入AgendaAgenda F5 NetworksLTM单臂接入模式臂接入模式3 F5 Networks单臂接入模式下的网臂接入模式下的网络物理物理结构构4核心三层交换服务器服务器LTMLTM外部网络Vlan 1串口心跳线 F5 NetworksLTM单臂源地址替臂源地址替换接入典型架构接入典型架构设计
2、5Core SwitchCore SwitchServerServer网络同步-独立Vlan串口心跳NetworkIP:192.168.0.1GW:192.168.0.254IP:192.168.0.2GW:192.168.0.254SelfIP:192.168.0.200GW:192.168.0.254VS:192.168.0.100SNAT AutomapSelfIP:192.168.0.201GW:192.168.0.254VS:192.168.0.100SNAT AutomapHSRP 192.168.0.254TrunkTrunkTrunkActiveBackup F5 Networ
3、ks单臂接入臂接入-源地址替源地址替换模式数据模式数据访问流程流程6核心三层交换服务器服务器LTMClient192.168.0.1192.168.1.10GW:192.168.1.254192.168.1.11GW:192.168.1.254VS:192.168.1.1:80SelfIP:192.168.1.253GW:192.168.1.254192.168.1.254192.168.0.254SIPSportDIPDport192.168.0.16787192.168.1.180192.168.1.2538888192.168.1.1180192.168.1.1180192.168.1.
4、2538888192.168.1.180192.168.0.16787 F5 Networks源地址替源地址替换后的后的处理理7核心三层交换服务器服务器LTMClient192.168.0.1192.168.1.10GW:192.168.1.254192.168.1.11GW:192.168.1.254VS:192.168.1.1:80SelfIP:192.168.1.253GW:192.168.1.254192.168.1.254192.168.0.254HTTP Profilewhen HTTP_REQUEST HTTP:header insert Client_IP=IP:client_
5、addriRules只有HTTP协议的时候,可以通过将源地址插入到客户端请求的HTTP Header里,然后在服务器上通过读取这个Header,获得客户端的真实源IP地址 F5 Networks单臂接入臂接入-npath模式数据模式数据访问流程流程8核心三层交换服务器服务器LTMClient192.168.0.1192.168.1.10Lo:192.168.1.1GW:192.168.1.254192.168.1.11Lo:192.168.1.1GW:192.168.1.254VS:192.168.1.1:80SelfIP:192.168.1.253GW:192.168.1.254192.16
6、8.1.254192.168.0.254SIPSportDIPDport 192.168.0.1 6787 192.168.1.180192.168.0.1 6787 192.168.1.180 192.168.1.180192.168.0.1 6787 F5 Networks单臂接入臂接入-服服务器非直器非直连模式(无源地址替模式(无源地址替换)9核心三层交换服务器服务器LTMClient192.168.0.1192.168.2.10GW:192.168.2.254192.168.2.11GW:192.168.2.254VS:192.168.1.1:80SelfIP:192.168.1.25
7、3GW:192.168.1.254192.168.2.254192.168.0.254SIPSportDIPDport192.168.0.16787192.168.1.180192.168.0.16787192.168.2.1180192.168.2.1180192.168.0.16787192.168.1.180192.168.0.16787无源地址替换的单臂接入模式使用比较少,通常用于对现网不能改造的情况这种模式下需要在核心三层交换上启用源地址路由,将服务器的所有返回数据包转向LTM,这样才能保证进出的连接完整性建议在这种结构下采用源地址替换以减小网络复杂程度192.168.1.25419
8、2.168.1.254 F5 Networks同网段同网段访问处理理-必必须通通过SNAT实现10核心三层交换客户端服务器LTM192.168.1.10GW:192.168.1.254192.168.1.11GW:192.168.1.254VS:192.168.1.1:80IP:192.168.1.253GW:192.168.1.254192.168.1.254SIPSportDIPDport192.168.0.106787192.168.1.180192.168.1.2538888192.168.1.1180192.168.1.1180192.168.1.2538888192.168.1.1
9、80192.168.0.16787 F5 Networks单臂接入臂接入-服服务器更改网关数据器更改网关数据访问流程流程11核心三层交换服务器服务器LTMClient192.168.0.1192.168.1.10GW:192.168.1.253192.168.1.11GW:192.168.1.253VS:192.168.1.1:80SelfIP:192.168.1.253GW:192.168.1.254192.168.1.254192.168.0.254SIPSportDIPDport192.168.0.16787192.168.1.180192.168.0.16787192.168.1.11
10、80192.168.1.1180192.168.0.16787192.168.1.180192.168.0.16787 F5 Networks服服务器更改网关后的直接器更改网关后的直接访问服服务器器问题12核心三层交换服务器服务器LTMClient192.168.0.1192.168.1.10GW:192.168.1.253192.168.1.11GW:192.168.1.253VS:192.168.1.1:80IP:192.168.1.253GW:192.168.1.254192.168.1.254192.168.0.254SYNSYNSYN-ACKSIPSportDIPDport192.1
11、68.0.16787192.168.1.1180192.168.1.1180192.168.0.16787FastL4 Profile F5 Networks双臂接入模式双臂接入模式13 F5 NetworksLTM双臂接入模式典型架构双臂接入模式典型架构设计14VLAN EXTServerServer网络同步-独立Vlan串口心跳NetworkIP:192.168.0.3GW:192.168.0.254IP:192.168.0.4GW:192.168.0.254SelfIP EXT:192.168.1.200SelfIP INT:192.168.0.200GW:192.168.1.254VS
12、:192.168.1.100HSRP 192.168.0.254ActiveBackupVLAN INTVLAN EXTVLAN INTSelfIP EXT:192.168.1.200SelfIP INT:192.168.0.200GW:192.168.1.254VS:192.168.1.100 FIP:192.168.0.254LB ServerIP:192.168.0.1GW:192.168.0.250LB ServerIP:192.168.0.2GW:192.168.0.250 FIP:192.168.0.254HSRP 192.168.1.254 F5 Networks双臂接入双臂接入
13、-服服务器直器直连15核心三层交换服务器服务器LTMClient192.168.0.1192.168.2.10GW:192.168.2.254192.168.2.11GW:192.168.2.254VS:192.168.1.1EXTIP:192.168.1.253/VLAN EXTINTIP:192.168.2.254/VLAN INTGW:192.168.1.254192.168.1.254192.168.0.254SIPSportDIPDport192.168.0.16787192.168.1.180192.168.0.16787192.168.2.1180192.168.2.118019
14、2.168.0.16787192.168.1.180192.168.0.16787 F5 Networks双臂接入双臂接入-串串联部署部署-扩展端口展端口16核心三层交换服务器服务器LTMClient192.168.0.1192.168.2.10GW:192.168.2.254192.168.2.11GW:192.168.2.254VS:192.168.1.1EXTIP:192.168.1.253/VLAN EXTINTIP:192.168.2.254/VLAN INTGW:192.168.1.254192.168.1.254192.168.0.254服务器接入交换SIPSportDIPDpo
15、rt192.168.0.16787192.168.1.180192.168.0.16787192.168.2.1180192.168.2.1180192.168.0.16787192.168.1.180192.168.0.16787 F5 Networks双臂接入双臂接入-旁挂模式旁挂模式17核心三层交换服务器服务器LTMClient192.168.0.1192.168.2.10GW:192.168.2.254192.168.2.11GW:192.168.2.254VS:192.168.1.1:80EXTIP:192.168.1.253/VLAN EXTINTIP:192.168.2.254/
16、VLAN INTGW:192.168.1.254192.168.1.254192.168.0.254SIPSportDIPDport192.168.0.16787192.168.1.180192.168.0.16787192.168.2.1180192.168.2.1180192.168.0.16787192.168.1.180192.168.0.16787External_vlanInternal_vlan旁挂模式下LTM可以用不同的端口接入核心交换,也可以采用端口捆绑模式接入核心交换,然后在端口捆绑里通过VLAN tag方式来划分多个VLAN F5 Networks旁挂模式下的服旁挂模式下
17、的服务器直接器直接访问18核心三层交换服务器服务器LTMClient192.168.0.1192.168.2.10GW:192.168.2.254192.168.2.11GW:192.168.2.254VS:192.168.1.1EXTIP:192.168.1.253/VLAN EXTINTIP:192.168.2.254/VLAN INTGW:192.168.1.254192.168.1.254192.168.0.254SIPSportDIPDport192.168.0.16787192.168.2.1180192.168.0.16787192.168.2.1180192.168.2.118
18、0192.168.0.16787FastL4 Profile F5 Networks双臂接入双臂接入-避免避免Spanning TreeF5 LTM有非常快速的切换机制(200ms),切换完成后会发送ARP广播Spanning Tree的重算机制在一些情况下会阻止对端设备收到ARP广播不同设备的ARP更新机制有时会带来很大的麻烦通常情况下,也不建议采用服务器双网卡接入19核心三层交换服务器服务器LTMClient服务器接入交换核心三层交换LTM服务器接入交换Client F5 Networks远程程节点模式点模式20 F5 Networks远程程节点模式点模式21核心三层交换服务器服务器LTM
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