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华三实验大全之多生成树-MSTP华三实验大全之多生成树-MSTP 目录: 一.单域多生成树的配置 二.多域生成树的配置 一.单域多生成树的配置 实验目的: 创建多生成树的域 创建实例----相当于捆绑在一起的vlan 实现负载均衡 实验步骤 开启STP---创建vlan---配置的MST域---开启trunk链路 [gaocw1]vlan 2 to 30 //创建vlan 2 到30 请等待...... 完成. [gaocw1]stp enable //开启生成树协议 [gaocw1]stp region-configuration //进入MST 域视图 [gaocw1-mst-region]region-name wang //配置MST域名 [gaocw1-mst-region]instance 1 vlan 2 to 10 //配置生成树实例 [gaocw1-mst-region]instance 2 vlan 11 to 20 [gaocw1-mst-region]instance 3 vlan 21 to 30 [gaocw1-mst-region]active region-configuration 此处我没有设置修订值,因为默认修订值都是0,不 影响我们设置单域! 介绍几个域内的命令 check region-configuration : 本命令用来显示尚未激活的 MST 域的配置信息, revision-level : 命令用来配置交换机的MSTP 修订级别 查看MST与的信息 [gaocw1]display stp region-configuration 操作值: 格式选择符 :0 域名 :wang 修订级别 :0 实例 映射的VLAN 0 1, 31 to 4094 1 2 to 10 2 11 to 20 3 21 to 30 [gaocw1]int e1/0/2 [gaocw1-Ethernet1/0/2]port link-type trunk [gaocw1-Ethernet1/0/2]port trunk permit vlan all 请等待........................................... 完成. [gaocw1-Ethernet1/0/6]port link-type trunk [gaocw1-Ethernet1/0/6]port trunk permit vlan all 请等待........................................... 完成. 配置sw2的过程同sw1 [gaocw2]vlan 2 to 30 请等待...... 完成. [gaocw2]stp enable %2000/4/2 00:07:15:646 gaocw2 MSTP/3/STPSTART:- 1 -设备启用生成树功能 [gaocw2]stp region-configuration [gaocw2-mst-region]region-name wang [gaocw2-mst-region]instance 1 vlan 2 to 10 [gaocw2-mst-region]instance 2 vlan 11 to 20 [gaocw2-mst-region]instance 3 vlan 21 to 30 [gaocw2-mst-region]active region-configuration [gaocw2]display stp region-configuration 操作值: 格式选择符 :0 域名 :wang 修订级别 :0 实例 映射的VLAN 0 1, 31 to 4094 1 2 to 10 2 11 to 20 3 21 to 30 [gaocw2]int e1/0/2 [gaocw2-Ethernet1/0/2]port link-type trunk [gaocw2-Ethernet1/0/2]port trunk permit vlan all 请等待........................................... 完成. [gaocw2]int e1/0/4 [gaocw2-Ethernet1/0/4]port link-type trunk [gaocw2-Ethernet1/0/4]port trunk permit vlan all 请等待........................................... 完成. 配置sw3的过程同sw1 [H3C]sys gaocw3 [gaocw3]stp enable %2000/4/2 00:14:33:275 gaocw3 MSTP/3/STPSTART:- 1 -设备启用生成树功能 [gaocw3]vlan 2 to 30 请等待...... 完成. [gaocw3]stp region-configuration [gaocw3-mst-region]region-name wang [gaocw3-mst-region]instance 1 vlan 2 to 10 [gaocw3-mst-region]instance 2 vlan 11 to 20 [gaocw3-mst-region]instance 3 vlan 21 to 30 [gaocw3-mst-region]active region-configuration [gaocw3]display stp region-configuration 操作值: 格式选择符 :0 域名 :wang 修订级别 :0 实例 映射的VLAN 0 1, 31 to 4094 1 2 to 10 2 11 to 20 3 21 to 30 [gaocw3]int e1/0/4 [gaocw3-Ethernet1/0/4]port link-type trunk [gaocw3-Ethernet1/0/4]port trunk permit vlan all 请等待........................................... 完成. [gaocw3]int e1/0/6 [gaocw3-Ethernet1/0/6]port link-type trunk [gaocw3-Ethernet1/0/6]port trunk permit vlan all 请等待........................................... 完成. 当我们都设置完后,就可以看一下配置的情况,从sw1看起! [gaocw1]display stp brief MSTID 端口 角色 STP状态 保护类型 0 Ethernet1/0/2 ROOT FORWARDING NONE 0 Ethernet1/0/6 ALTE DISCARDING NONE 1 Ethernet1/0/2 ROOT FORWARDING NONE 1 Ethernet1/0/6 ALTE DISCARDING NONE 2 Ethernet1/0/2 ROOT FORWARDING NONE 2 Ethernet1/0/6 ALTE DISCARDING NONE 3 Ethernet1/0/2 ROOT FORWARDING NONE 3 Ethernet1/0/6 ALTE DISCARDING NONE [gaocw2]display stp brief MSTID 端口 角色 STP状态 保护类型 0 Ethernet1/0/2 DESI FORWARDING NONE 0 Ethernet1/0/4 DESI FORWARDING NONE 1 Ethernet1/0/2 DESI FORWARDING NONE 1 Ethernet1/0/4 DESI FORWARDING NONE 2 Ethernet1/0/2 DESI FORWARDING NONE 2 Ethernet1/0/4 DESI FORWARDING NONE 3 Ethernet1/0/2 DESI FORWARDING NONE 3 Ethernet1/0/4 DESI FORWARDING NONE [gaocw3]display stp brief MSTID 端口 角色 STP状态 保护类型 0 Ethernet1/0/4 ROOT FORWARDING NONE 0 Ethernet1/0/6 DESI FORWARDING NONE 1 Ethernet1/0/4 ROOT FORWARDING NONE 1 Ethernet1/0/6 DESI FORWARDING NONE 2 Ethernet1/0/4 ROOT FORWARDING NONE 2 Ethernet1/0/6 DESI FORWARDING NONE 3 Ethernet1/0/4 ROOT FORWARDING NONE 3 Ethernet1/0/6 DESI FORWARDING NONE 总结,此时我们看到的是--sw2是所有实例的跟桥,包括系统自动生成的实例0 所以不符合我们所说的负责均衡!
接下来,实现MSTP的负载均衡功能 [gaocw1]int e1/0/1 [gaocw1-Ethernet1/0/1]stp edged-port enable //配置连接终端设备的端口为域边界端口! [gaocw1]stp instance 2 root ? primary 主根交换机 secondary 备份根交换机 [gaocw1]stp instance 2 root primary //让sw1为实例二的主根桥, [gaocw1]stp instance 3 root secondary //让sw1为实例三的备份跟桥。 [gaocw3]stp instance 2 root secondary //让sw3为实例二的备份跟桥 [gaocw3]stp instance 3 root primary //让sw1为实例三的主根桥 现在查看----就实现了负载分担功能 [gaocw2]display stp brief MSTID 端口 角色 STP状态 保护类型 0 Ethernet1/0/2 DESI FORWARDING NONE 0 Ethernet1/0/4 DESI FORWARDING NONE 1 Ethernet1/0/2 DESI FORWARDING NONE 1 Ethernet1/0/4 DESI FORWARDING NONE 2 Ethernet1/0/2 ROOT FORWARDING NONE 2 Ethernet1/0/4 ALTE DISCARDING NONE 3 Ethernet1/0/2 ALTE DISCARDING NONE 3 Ethernet1/0/4 ROOT FORWARDING NONE [gaocw1]display stp brief MSTID 端口 角色 STP状态 保护类型 0 Ethernet1/0/2 ROOT FORWARDING NONE 0 Ethernet1/0/6 ALTE DISCARDING NONE 1 Ethernet1/0/2 ROOT FORWARDING NONE 1 Ethernet1/0/6 ALTE DISCARDING NONE 2 Ethernet1/0/2 DESI FORWARDING NONE 2 Ethernet1/0/6 DESI FORWARDING NONE 3 Ethernet1/0/2 DESI FORWARDING NONE 3 Ethernet1/0/6 ROOT FORWARDING NONE 二.多域生成树的配置 通过此拓扑来实现多区域的生成树设置 上图的补充,因为模拟器没有合适的实验拓扑。 实验步骤 开启stp--创建vlan---配置mstp域---开启trunk链路 配置sw1,--实例2 to 5-----域名:wnt [sw1]vlan 2 to 30 Please wait... Done. [sw1]stp region-configuration [sw1-mst-region]instance 1 vlan 2 to 5 [sw1-mst-region]region-name wnt [sw1-mst-region]active region-configuration [sw1]display stp region-configuration Oper configuration Format selector :0 Region name :wnt Revision level :0 Instance Vlans Mapped 0 1, 6 to 4094 1 2 to 5 sw1]int e0/4/4 [sw1-Ethernet0/4/4]port link-type trunk [sw1-Ethernet0/4/4]port trunk permit vlan all [sw1]int e0/4/3 [sw1-Ethernet0/4/3]port link-type trunk [sw1-Ethernet0/4/3]port trunk permit vlan all 配置sw2---实例2 to 6----域名:gao [sw2]vlan 2 to 10 Please wait... Done. [sw2]stp region-configuration [sw2-mst-region]instance 1 vlan 2 to 6 [sw2-mst-region]region-name gao [sw2-mst-region]active re [sw2]int e0/4/3 [sw2-Ethernet0/4/3]port link-type trunk [sw2-Ethernet0/4/3]port trunk permit vlan all Please wait........................................... Done. [sw2]int e0/4/6 [sw2-Ethernet0/4/6]port link-type trunk [sw2-Ethernet0/4/6]port trunk permit vlan all Please wait........................................... Done. [sw2]display stp brief MSTID Port Role STP State Protection 0 Ethernet0/4/3 ROOT FORWARDING NONE 0 Ethernet0/4/6 DESI FORWARDING NONE 1 Ethernet0/4/3 MAST FORWARDING NONE 1 Ethernet0/4/6 DESI FORWARDING NONE 配置sw3---实例2 to 7---域名:cheng [sw3]vlan 2 to 10 Please wait... Done. [sw3]stp region-configuration [sw3-mst-region]instance 1 vlan 2 to 7 [sw3-mst-region]region-name cheng [sw3-mst-region]active region-configuration [sw3]int e0/4/4 [sw3-Ethernet0/4/4]port link-type trunk [sw3-Ethernet0/4/4]port trunk permit vlan all Please wait........................................... Done. [sw3-Ethernet0/4/4]int e0/4/7 [sw3-Ethernet0/4/7]port link-type trunk [sw3-Ethernet0/4/7]port trunk permit vlan all Please wait........................................... Done. [sw3]display stp brief MSTID Port Role STP State Protection 0 Ethernet0/4/4 ROOT FORWARDING NONE 0 Ethernet0/4/7 DESI FORWARDING NONE 1 Ethernet0/4/4 MAST FORWARDING NONE 1 Ethernet0/4/7 DESI FORWARDING NONE 配置sw4--实例2 to 8----域名:wang [sw4]vlan 2 to 10 [sw4]stp region-configuration [sw4-mst-region]instance 1 vlan 2 to 8 [sw4-mst-region]region-name wang [sw4-mst-region]active region-configuration [sw4]display stp region-configuration Oper configuration Format selector :0 Region name :wang Revision level :0 Instance Vlans Mapped 0 1, 9 to 4094 1 2 to 8 [sw4]int e0/4/7 [sw4-Ethernet0/4/7]port link-type trunk [sw4-Ethernet0/4/7]port trunk permit vlan all Please wait........................................... Done. [sw4-Ethernet0/4/7]int e0/4/6 [sw4-Ethernet0/4/6]port link-type trunk [sw4-Ethernet0/4/6]port trunk permit vlan al Please wait........................................... Done. [sw4]display stp brief MSTID Port Role STP State Protection 0 Ethernet0/4/6 ROOT FORWARDING NONE 0 Ethernet0/4/7 ALTE DISCARDING NONE 1 Ethernet0/4/6 MAST FORWARDING NONE 1 Ethernet0/4/7 ALTE DISCARDING NON 然后个vlan2配置ip地址,他们是可以ping通的!从而实现了不同域之间的通信!! MSTP域内的参数---------------对应本实验 MST 域 MSTI VLAN 映射表 IST CST CIST 域根 总根 9. 端口角色 对上面的参数进行本实验的总结: MST域:本实验有4个MST 域,分别是wnt、gao、cheng、wang。 MSTI:一个生成树实例,例如:wnt域中的所有实例1的集合。 Vlan映射表:就是实例 IST:下图介绍 CIT:下图介绍 CIST:下图介绍 域根:有4个,多个域根相连组成一个CIST域 总根:有1个。 端口状态 sw4中的e0/4/7属于整个大域(CIST)的阻塞端口! Master 端口是连接MST 域到总根的端口,位于整个域到总根的最短路径上。 就相当于我们在单域中所说的根端口
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