数据中心拓扑架构设计指南

1、数据中心拓扑架构设计指南 配图部门：作者：日期：传统机架出租中的资源碎片示意图控制器自主界面TORVMVM物理机虚拟机机架中心机房1VXLAN GWTORVMVM控制器集群FWLB物理机虚拟机存储机架TORVMVM物理机虚拟机机架中心机房nVXLAN GWTORVMVMFWLB物理机虚拟机存储机架边缘机房1边缘机房n网络管理员跨机房互联 机架出租方案总体概览SpineServer leafBorder leaf(Service leaf)数据中心网络典型部署方案Peer-linkLeafEth-TrunkEth-TrunkVTEP推荐M-LAG部署方案M-LAGSpineServer Leaf

2、Border Leaf(&ServiceLeaf)M-LAG（dual-active）PE RouterOSPF 100Area 0P2PP2PP2PP2PP2PP2PP2PP2PP2P单DC内Underlay网络路由规划设计多Fabric部署OSPF路由规划推荐LeafSpineLeafSpineFabric 1Fabric 2OSPF Area 1OSPF Area 2Border LeafBorder LeafOSPF Area 0EBGPAS 65503AS 65502LeafSpineAS 65501AS 63500单Fabric内部EBGP路由规划推荐多Fabric之间EBGP路由

3、规划推荐EBGPAS 65503AS 65502LeafSpineAS 65501AS 63500EBGPAS 65523AS 65522LeafSpineAS 65521AS 63520AS 61500Fabric 1Fabric 2中心机房 跨机房VXLAN Overlay网络L2 SWInternet租户网络运营商网络GWNVENVENVENVENVENVENVENVEGWL3 GW & L2 SWL2 SW边缘机房租户自带网关租户A租户B租户C租户网络SpineServer leafBorder leaf(Service leaf)ISP网络M-LAG (dual-active)PE

4、(router)GWGWGW路由对接LogicalSwitchLogicalRouterFWL3 GWISP网络外部网络外部网络租户网络租户AISP提供网关租户A租户CSpineServer leafBorder leaf(Service leaf)M-LAG (dual-active)PE (router)L2租户B二层接入外部网络ISP网络租户网络LogicalSwitchLogicalRouterISP网络外部网络租户网络租户AFWLBVPN租户自带网关-单机房租用租户A租户网络SpineServer leafBorder leaf(Service leaf)ISP网络M-LAG (du

5、al-active)PE (router)GW路由对接租户AL2VTEPVTEPVTEPVTEP二层接入BGPISP网络 租户网络LeafBD2Tenant 1 NetworkLeafBD2BDIF1Tenant 1 NetworkL3Tenant L3 GWTenant L2 GWT1-VRFBD1L2L2T1-VRFPEBGP外网私网专线VBDIFBGP外部网络Border LeafEVPN VXLAN路由对接-Static Route租户A租户网络SpineServer leafBorder leaf(Service leaf)ISP网络M-LAG (dual-active)PE (ro

6、uter)GW路由对接租户AL2VTEPVTEPVTEPVTEP二层接入VXLANeBGP/StaticVLANVLANStaticBGP EVPNISP网络租户网络LeafBDIF1Tenant 1 NetworkL3T1-VRFEVPN VXLANT1-VRFPEBGP外部网络私网专线VBDIFBGPBorder LeafTenant L3 GW外部网络路由对接-eBGP租户A租户网络SpineServer leafBorder leaf(Service leaf)ISP网络M-LAG (dual-active)PE (router)GW路由对接租户AL2VTEPVTEPVTEPVTEP二

7、层接入VXLANVLANeBGPeBGPVLANBGP EVPNISP网络租户网络LeafBDIF1Tenant 1 NetworkL3T1-VRFEVPN VXLANT1-VRFPEBGP外网私网专线VBDIFBGPBorder LeafTenant L3 GW外部网络路由对接-OSPF租户A租户网络SpineServer leafBorder leaf(Service leaf)ISP网络M-LAG (dual-active)PE (router)GW路由对接租户AL2VTEPVTEPVTEPVTEP二层接入VXLANVLANOSPFeBGPVLANBGP EVPNISP网络租户网络Lea

8、fBDIF1Tenant 1 NetworkL3T1-VRFEVPN VXLANT1-VRFPEBGP外网私网专线VBDIFBGPBorder LeafTenant L3 GW外部网络单机房租用-流量模型SpineServer LeafBorder leaf(Service leaf)ISP网络M-LAG (dual-active)PE (router)路由对接VTEPVTEPVTEPVTEP二层接入L3 GWWANLANL2 SWLANFW机架2机架1租户网络访问外网流量跨子网互访流量同子网互访流量外部网络跨机房VXLAN二层拉通跨机房租用-单点L3接入SpineServer leafBor

9、der leaf(Service leaf)ISP网络M-LAG (dual-active)PE (router)路由对接VTEPVTEPVTEPVTEP二层接入L3 GWWANLANL2 SWLANFW机架2机架1租户网络访问外网流量跨子网互访流量同子网互访流量VTEPVTEP二层接入L2 SWLAN机架3租户网络机房1机房2外部网络跨机房租用-多点L3接入集中出口跨机房VXLAN二层拉通SpineServer LeafBorder leaf(Service leaf)ISP网络M-LAG (dual-active)PE (router)路由对接VTEPVTEPVTEPVTEP二层接入L3

10、GWWANLANL2 SWLANFW机架2机架1租户网络访问外网流量跨子网互访流量同子网互访流量VTEPVTEP二层接入L2 SWLAN机架2租户网络机房1机房2路由对接L3 GWWANLANFW机架1外部网络外部网络外部网络跨机房租用-多点L3接入独立出口跨机房VXLAN二层拉通SpineServer LeafBorder Leaf(Service Leaf)ISP网络M-LAG (dual-active)PE (router)路由对接VTEPVTEPVTEPVTEP二层接入L3 GWWANLANL2 SWLANFW机架2机架1租户网络访问外网流量跨子网互访流量同子网互访流量VTEPVTEP

11、二层接入L2 SWLAN机架2租户网络机房1机房2路由对接L3 GWWANLANFW机架1Border Leaf(Service Leaf)PE (router)VTEP租用ISP网关-单机房租用SpineServer LeafBorder Leaf(Service Leaf)ISP网络M-LAG (dual-active)PE (router)租户AL2VTEPVTEPVTEPVTEP二层接入BGP租户A租户网络租户BISP网络 租户网络LeafBD2Tenant 1 NetworkLeafBD2BDIF1Tenant 1 NetworkL3Tenant L2 GWT1-VRFBD1L2L2

12、Ext-VRFPEBGP外网私网专线VBDIFBGPBDIF2T1-VRFBDIF2vFwT1-VRFExt-VRF外部网络EVPN VXLANBorder Leaf单机房租用-流量模型访问外网流量跨子网互访流量同子网互访流量SpineServer LeafBorder Leaf(Service Leaf)ISP网络M-LAG (dual-active)PE (router)VTEPVTEPVTEPVTEP租户网络L2 SWLAN机架租用机位租用外部网络跨机房VXLAN二层拉通跨机房租用-集中出口SpineServer LeafBorder Leaf(Service Leaf)ISP网络M-L

13、AG (dual-active)PE (router)VTEPVTEPVTEPVTEP二层接入L2 SWLAN机架2租户网络访问外网流量跨子网互访流量同子网互访流量VTEPVTEP二层接入L2 SWLAN机架2租户网络机房1机房2机位租用外部网络主备出口逻辑示意图VPCFWDC 1公网GW主出口备出口公网DC 2FWGW路由直通路由直通DVRDVRServerServer跨机房VXLAN二层拉通跨机房租用-主备出口SpineServer LeafBorder Leaf(Service Leaf)ISP网络PE (router)VTEPVTEPVTEPVTEP二层接入L2 SWLAN机架2租户网

14、络访问外网流量跨子网互访流量同子网互访流量VTEPVTEP二层接入L2 SWLAN机架2租户网络DC1DC2机位租用Border Leaf(Service Leaf)PE (router)VTEP备出口主出口外部网络外部网络故障场景主备切换前后流量路径对比PEPEBorderLeafDC 1VTEPVTEPServerLeafDC 2VTEPVTEPBorderLeafServerServerSpineSpineLB FWVTEPLB FWVTEPServiceLeafServiceLeafServerLeaf正常状态，流量走主用出口主出口故障，流量走备份出口主用出口，高优先级路由备用出口，低