实验人:高承旺
实验目录:
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
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
缺省情况下MST 域的三个参数: 1.MST 域名为交换机的第一个MAC 地址
2.所有VLAN 均对应到CIST 上,也就是实例0
3.MSTP 修订级别取值为0
注意:
1.要想网络内的实例在同一个MST 域,上面的三个参数必须相
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
氟苯尼考琥珀酸钠
[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
人宇科学请等待........................................... 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
复方阿司匹林
MSTID 端口角STP状态保护类型
0 Ethernet1/0/2 ROOT FORW ARDING NONE
0 Ethernet1/0/6 ALTE DISCARDING NONE
1 Ethernet1/0/
2 ROOT FORW ARDING NONE
1 Ethernet1/0/6 ALTE DISCARDING NONE
2 Ethernet1/0/2 ROOT FORW ARDING NONE
2 Ethernet1/0/6 ALTE DISCARDING NONE
3 Ethernet1/0/2 ROOT FORW ARDING NONE
3 Ethernet1/0/6 ALTE DISCARDING NONE [gaocw2]display stp brief
MSTID 端口角STP状态保护类型
0 Ethernet1/0/2 DESI FORW ARDING NONE
0 Ethernet1/0/4 DESI FORW ARDING NONE
1 Ethernet1/0/
2 DESI FORW ARDING NONE
1 Ethernet1/0/4 DESI FORW ARDING NONE
2 Ethernet1/0/2 DESI FORW ARDING NONE
2 Ethernet1/0/4 DESI FORW ARDING NONE
流动资金需求测算
3 Ethernet1/0/2 DESI FORW ARDING NONE
3 Ethernet1/0/
4 DESI FORW ARDING NONE [gaocw3]display stp brief
MSTID 端口角STP状态保护类型
0 Ethernet1/0/4 ROOT FORW ARDING NONE德国表现画派
0 Ethernet1/0/6 DESI FORW ARDING NONE
1 Ethernet1/0/4 ROOT FORW ARDING NONE
1 Ethernet1/0/6 DESI FORW ARDING NONE
2 Ethernet1/0/4 ROOT FORW ARDING NONE
2 Ethernet1/0/6 DESI FORW ARDING NONE
3 Ethernet1/0/
4 ROOT FORW ARDING NONE
3 Ethernet1/0/6 DESI FORW ARDING 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
肉鸭网[gaocw2]display stp brief
MSTID 端口角STP状态保护类型
0 Ethernet1/0/2 DESI FORW ARDING NONE