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企业网采用双汇聚交换机单核心路由器的网络架构,网络拓扑如下。 根据表项完成相应配置 <Huawei> system-view [Huawei] sysname SWA [SWA]interface ethernet 0/0/2 [SWA-Ethernet0/0/2]port link-type trunk [SWA-Ethernet0/0/2]port trunk allow-pass vlan all [SWA-Ethernet0/0/2]quit [SWA]interface ethernet 0/0/3 [SWA-Ethernet0/0/3]port link-type trunk [SWA-Ethernet0/0/3]port trunk allow-pass vlan all [SWA-Ethernet0/0/3]quit <Huawei>system-view [Huawei]sysname SWC [SWC]interface ethernet 0/0/1 [SWC-Ethernet0/0/1]port link-type trunk [SWC-Ethernet0/0/1]port trunk allow-pass vlan all [SWC-Ethernet0/0/1]quit [SWC]interface ethernet 0/0/4 [SWC-Ethernet0/0/4]port link-type trunk [SWC-Ethernet0/0/4]port trunk allow-pass vlan all [SWC-Ethernet0/0/4]quit [SWC]interface ethernet 0/0/2 [SWC-Ethernet0/0/2]port link-type access [SWC-Ethernet0/0/2]port default vlan 2 [SWC-Ethernet0/0/2]quit [SWC]interface ethernet 0/0/3 [SWC-Ethernet0/0/3]port link-type access [SWC-Ethernet0/0/3]port default vlan 10 根据 vlan2-vlan10 的流量经过 SWA,将 SWB 作为备份;vlan11-vlan20 的流量经过 SWB,将 SWA 作为备份,完成下列生成树配置。 [SWA]stp mode mstp [SWA]stp region-configuration [SWA-mst-region]region-name RG1 [SWA-mst-region]instance 1 vlan 2 to 10 [SWA-mst-region]instance 2 vlan 11 to 20 [SWA-mst-region]active region-configuration [SWA]stp instance 1 root primary [SWA]stp instance 2 root secondary [SWB]stp mode mstp [SWB]stp region-configuration [SWB-mst-region]region-name RG1 [SWB-mst-region]instance 1 vlan 2 to 10 [SWB-mst-region]instance 2 vlan 11 to 20 [SWB-mst-region]active region-configuration [SWB]stp instance 2 root primary [SWB]stp instance 1 root secondary 完成 vrrp 的部分配置 [SWA]interface Vlanif 10 [SWA-Vlanif10]ip address 192.168.10.1 24 [SWA-Vlanif10]vrrp vrid 10 virtual-ip 192.168.10.254 [SWA-Vlanif10]vrrp vrid 10 priority 150 保证主备网关可以根据优先级进行切换的技术是( )。 (缺图)