CISCO与H3CSTP对接检验测试

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思科H3C交换机生成树对接问题解决方法

思科H3C交换机生成树对接问题解决方法

MSTP--多生成树协议/MiniSite/H3care_Club/Data_Center/Net_Reptile/The_One/Home/Catalog/200911/655244_97665_0.htm作者:| 上传时间:2009-11-16 | TAG:前面提到的STP/RSTP协议以及Cisco的私有协议PVST+都属于单生成树(SST)协议,也就是对于支持多vlan的设备只能运行单一的生成树。

MSTP是IEEE 802.1s中提出的一种STP和VLAN结合使用的新协议,它既继承了RSTP端口快速迁移的优点,又解决了RSTP中不同vlan必须运行在同一棵生成树上的问题。

接下来我们从MSTP基本概念、基本原理、报文特征、H3C产品实现以及与Cisco产品互通等几个方面进行阐述,在总结中引入了H3C设备为了应对实际网络环境所提供的特定保护功能,在附录中是MSTP模块的缺省配置。

1MSTP基本概念图1 MSTP基本概念示意图实例和域多生成树协议MSTP(Multiple Spanning Tree Protocol)是IEEE 802.1s中定义的一种新型生成树协议。

简单说来,STP/RSTP是基于端口的,PVST+是基于VLAN的,而MSTP 是基于实例的。

与STP/RSTP和PVST+相比,MSTP中引入了“实例”(Instance)和“域”(Region) “的概念。

所谓“实例”就是多个VLAN的一个集合,这种通过多个VLAN捆绑到一个实例中去的方法可以节省通信开销和资源占用率。

MSTP各个实例拓扑的计算是独立的,在这些实例上就可以实现负载均衡。

使用的时候,可以把多个相同拓扑结构的VLAN 映射到某一个实例中,这些VLAN在端口上的转发状态将取决于对应实例在MSTP里的转发状态。

所谓“域”,由域名(Configuration Name)、修订级别(Revision Level)、格式选择器(Configuration Identifier Format Selector[1])、VLAN与实例的映射关系(mapping of VIDs to spanning trees),其中域名、格式选择器和修订级别在BPDU报文中都有相关字段,而VLAN 与实例的映射关系在BPDU报文中表现摘要信息(Configuration Digest),该摘要是根据映射关系计算得到的一个16字节签名。

CISCO设备测试步骤

CISCO设备测试步骤

CISCO设备一般测试方案Cisco 设备的测试步骤,首先接电先看设备启动时的指示灯是否正常,再看设备启动时是否报错,为下一步测试奠定良好的基础;接下来要测试设备的稳定性,需要烤机48小时,然后测试其连通性,重点注意设备在互连中的连通性,需要做到交换机与交换机、交换机与路由器、交换机路由器与计算机、彼此之间的连通性,最终确定设备无故障为止。

设备的测试有它的重要性和必要性,要给予相当的重视,所有这些设备的终检都是在这里完成的,一定要保证设备是好的,这一点与公司的形象和声誉息息相关,所以决不能大意。

在交换机的测试中,当测试其稳定性时,可以用十台交换机与其连接同时ping,测试其丢包与否。

测试设备应该将其放入网络环境中,如将三台路由器或更多与多台交换机相连,尽量模拟网络环境,路由器的连接可以是串口之间相连,也可以通过以太口相互连接,在路由器上配置路由协议(rip igrp eigrp ospf is-is ),或者配置静态路由都可以,每台路由器皆可连接多台交换机,进行合理的ip 编址,进而测试网络的连通性,链路的封装可以是frame-relay 等多种封装方式,只有这种网络环境才能充分了解整个网络是什么样子的,可以更具体的接触到网络里形形色色的故障,同时也积累了经验,增长了判断故障的能力。

以下是设备测试的一些常用命令。

(一)交换机的测试Switch#conf tSwitch(config)#int vlan 1Switch(config-if)#ip add 1.1.1.10 255.255.255.0Switch(config-if)#no shSwitch(config-if)#exitSwitch(config)#no spanning-tree vlan 1Switch(config)#line c 0Switch (config-line)#no exec-t 0 0Switch(config)#endSwitch#配置三层口:4006# conf tEnter configuration commands, one per line. End with CNTL/Z.4006(config)# interface gigabitethernet3/24006(config-if)# no switchport ;把物理端口变成三层口4006(config-if)# ip address 192.168.1.1 255.255.255.04006(config-if)# no shutdown4006(config-if)# end配置一组端口(1)相同类别的一组端口:Switch# configure terminalSwitch(config)# interface range fastethernet0/1 - 5Switch(config-if-range)# no shutdown(2)配置不同类型端口的组:Switch# configure terminalSwitch(config)# interface range fastethernet0/1 – 3 gigabitethernet0/1 - 2Switch(config-if-range)# no shutdown配置端口速率及双工模式:Switch# configure terminalSwitch(config)# interface fastethernet0/3Switch(config-if)# speed 10Switch(config-if)# duplex full端口描述:Switch# config terminalEnter configuration commands, one per line. End with CNTL/Z.Switch(config)# interface fastethernet0/4Switch(config-if)# description Connects to MarketingSwitch(config-if)# endSwitch# show interfaces fastethernet0/4 descriptionInterface Status Protocol DescriptionFa0/4 up down Connects to Marketing监控端口和控制器的状态:Switch# show interfaces status//显示所有端口或某一端口的状态和配置.Switch# show interfaces fastethernet 0/1 switchport//显示二层端口的状态,可以用来决定此口是否为二层或三层口。

05 三层交换机配置与STP

05 三层交换机配置与STP

交换机从错误的接口学到MAC地址。
组网技术:STP
11
如何解决以上问题?
组网技术:STP
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创建逻辑无环路拓扑 (Creating a logical loop free topology) • 1.冗余增加了可靠性,但是同时将物理环路带进网络
• 2. 解决办法就是创建逻辑无环路拓扑,同时保留物理 环存在
• One root bridge per network. • 2.每个非根桥只有一个根端口
• One root port per nonroot bridge.
• 3.每个网络分段只有一个指定端口 • One designated port per segment. • 4.非指定端口不被使用 • Nondesignated ports are unused.
• 4.在转发状态,用户数据被转发,MAC地址继续学习, BPDU仍然工作。
• In forwarding state user data is forwarded and MAC addresses continue to be learned. BPDUs are still processed.
组网技术:STP
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生成树端口状态(Spanning-Tree Port States)
组网技术:STP
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生成树端口状态(Spanning-Tree Port States)
• 1.在阻塞状态,端口仅能接收BPDU,需要20秒改变这种 状态 • In the blocking state, ports can only receive BPDUs. It may take up to 20 seconds to change from this state. • 2.在侦听状态,交换机确定是否有到根桥的其它路径。 该状态持续15秒。在该状态,用户的数据不能转发,也 不能学习MAC地址。 • In listening state, switches determine if there are any other paths to the root bridge. the forward delay and lasts for 15 seconds. In the listening state, user data is not being forwarded and MAC addresses are not being learned.

云应用与网络技术干训考试

云应用与网络技术干训考试

云应用与网络技术干训考试您的姓名:[填空题]*三层H3C交换机如何查询MAC与IP对应表?[单选题]* Adisplaymac-addresstableBShowmac-addresscDisplayarp(正确答案)DIpconfig/allH3c交换机将端口加入vlan8的命令?[单选题]* Asysintvlan8BSysinteth1/0/10portaccessvlan8E确答案)CSysVian8DSysinterfacegigabitethernet1/0/1Portvlan8常用的直通线线序为:[单选题]*A.白绿绿白橙蓝白蓝橙白棕棕B.白橙橙白绿蓝白蓝绿白棕棕确答案)C.白绿蓝白蓝绿白橙橙白棕棕D.橙白橙白蓝绿白绿蓝白棕棕墙口网络模块端口为?[单选题]*A.RJ・45(正确答案)B.RJ-11C.RJ-56BD.RJ-56PS/2键盘鼠标、USB、SATA硬盘、显示器几个设备中哪个不支持热插拔()[单选题]*AoPS/2键盘鼠标(正确答案)B o USB设备C o SATA硬盘D o显示器下列跳线中,那个属于电源按钮线()1单选题I*ARESETSWBPOWERLEDCSPEAKERDPOWERSW(正确答案)公司内,通过访问共享安装共享打印机,网络可以单向ping通,一下最有可能的原因为0[单选题]*A两台设备不在同一VLAN中B两台设备不在同一交换机上C打印机没有配置网络D计算机未关闭防火墙(正确答案).在大部分Linux内核系统中,哪个命令可以在终端窗口下查看网络信息?[单选题]Aipconfig-allBifconfig(正确答案)CipconfigDifconfig/all在linux系统中用来存放系统所需配置文件的子目录是()[单选题]*A/rootB/varC/etc(正确答案)D/home同一VLAN中的两台PC()[单选题]*A可以跨越多个交换机正确答案)B可以同时跨越多个路由器C不能跨越多个交换机D必须连接在一个集线器上CPU的频率主要由()组成*A主频(正确答案)B总线频率C外频(正确答案)D倍频(正确答案)TheCiscoswitchinput()entersprivilegedmodeandtheH3Cswitchinputs()enterthesystemview.*AConfigBSystem-view(正确答案)CEnable(正确答案)DSudosuECiscoconfig电话接口是属于哪种类型?[单选题]*ARJ-45BRJ-46CRJ・U(正确答案)DphonePortWindows10系统SMB1.0共享服务默认需要手动开启。

网络设备巡检报告

网络设备巡检报告

网络巡检项目一、网络拓扑、拓扑分析、拓扑建议二、网络带宽、链路类型、链路信息三、网络设备信息、设备品牌、设备型号、设备放置、设备性能参数、设备内存大小、设备槽位、设备序列号、设备购买年限、设备保修状态、设备备件状况、设备标签完善程度四、网络设备软件版本信息、当前IOS版本信息、最新IOS版本信息、设备持续运行时间、设备IOS备份情况、设备CPU利用率、设备内存利用率、设备模块运行状态、设备风扇及电源状况、设备端口数量、设备端口类型、设备运行机箱温度五、设备连通性、冗余协议运行状态、VLAN信息、以太网通道信息、路由协议、邻居关系、交换协议、生成树STP协议、NAT连接数状态、FLASH信息、设备配置信息分析、多余配置信息分析、配置精简建议、IOS安全建议、防火墙信息、防火墙策略、防火墙DMZ区检查、防火墙Xlate状态、应用业务、IP地址使用状况六、配置LOG服务器查看LOG日志七、简单机房环境检查网络拓扑巡检报告单网络链路状况巡检单网络设备巡检单机房环境巡检单设备IOS信息汇总表设备运行环境汇总表设备资源利用率设备端口状态汇总表连通性测试汇总表一、PING测试二、TELNET测试最终巡检报告检查指导一、检查设备IOS软件版本二、检查设备持续运行时间三、设备CPU利用率情况检查四、设备memory利用状况检查五、设备系统模块运行状况检查六、设备电源及风扇检查七、设备运行温度检查八、设备系统LOG日志检查九、设备冗余协议检查十、VLAN状态检查十一、EtherChannel检查(思科)链路聚合检查(H3C)十二、trunk检查十三、路由状况检查十四、生成树STP检查十五、接口状态检查十六、NAT检查十七、防火墙检查十八、连通性测试十九、其他维护信息检查。

CiscoH3C交换机高级配置与管理技术手册_随笔

CiscoH3C交换机高级配置与管理技术手册_随笔

《CiscoH3C交换机高级配置与管理技术手册》阅读记录目录一、手册概述与读者背景 (2)二、手册内容结构概览 (2)2.1 手册章节概览 (3)2.2 关键知识点梳理 (5)三、第一章 (6)3.1 交换机基本概念及原理 (8)3.2 初始配置步骤与要点 (9)3.3 配置示例及解析 (10)四、第二章 (12)4.1 VLAN配置与管理 (13)4.2 链路聚合与负载均衡配置 (14)4.3 网络安全配置 (15)五、第三章 (17)5.1 交换机的日常管理与监控 (18)5.2 故障诊断与排除方法 (20)5.3 系统维护与升级流程 (21)六、第四章 (23)6.1 典型案例分析 (24)6.2 实践操作经验分享与心得交流区 (26)6.3 专家建议与行业前沿技术动态分享区 (27)一、手册概述与读者背景旨在帮助他们全面掌握H3C交换机的配置和管理技能。

本手册从基础到高级,通过详细的步骤和实例,涵盖了交换机的基本配置、接口设置、VLAN管理、路由协议、网络安全以及故障排查等多个方面。

本手册的目标读者主要是具备一定网络基础知识的工程师和技术支持人员。

他们熟悉网络基础概念,如OSI模型、TCPIP协议等,并且对交换机有一定的操作经验。

对于初学者,本手册将通过循序渐进的教学方式,逐步引导读者掌握交换机的配置和管理技巧。

而对于有一定经验的工程师,本手册将提供更深入的知识和技巧,帮助他们解决更复杂的网络问题。

《Cisco H3C交换机高级配置与管理技术手册》是一本实用性强的技术参考书,适合网络专业人士和高级技术人员使用,无论是新手还是资深工程师,都能从中获得宝贵的知识和经验。

二、手册内容结构概览本《Cisco H3C交换机高级配置与管理技术手册》旨在为读者提供一套完整的理论知识和实践技能,以便更好地理解和使用H3C交换机。

全书共分为五个部分,分别是:基础知识篇:主要介绍H3C交换机的基础知识,包括交换机的基本概念、硬件组成、接口类型、工作模式等内容,帮助读者建立起对H3C交换机的基本认识。

三层交换机测试方案

三层交换机测试方案

三层交换机测试方案一、背景随着网络规模的扩大和复杂性的增加,三层交换机在企业网络中扮演着重要的角色。

为了确保三层交换机的正常运行和性能优化,以及对网络故障进行快速排查和修复,有必要进行全面的三层交换机测试。

本文将介绍一个完整的三层交换机测试方案。

二、测试目标1. 测试三层交换机的基础功能,包括转发性能、路由功能、访问控制列表等。

2. 测试三层交换机的高可用性和冗余能力,包括STP协议、VRRP协议等。

3. 测试三层交换机对不同网络协议的兼容性,包括IPv4、IPv6等。

4. 测试三层交换机的安全性,包括防止网络攻击和入侵的能力。

三、测试步骤1. 环境搭建在测试前,需要搭建一个逼真的实验环境。

这个环境应该包括多个三层交换机、PC端和测试设备。

通过连接不同的网络拓扑结构,测试各种情况下的三层交换机性能。

2. 基础功能测试在测试环境中,通过发送不同大小和类型的数据包,测试三层交换机的转发性能。

观察其转发速度和吞吐量,确保其性能能够满足实际需求。

同时,测试其路由功能,包括路由表的建立和更新、路由协议的选择等。

此外,还要测试访问控制列表(ACL)等功能,以确保其能够正确过滤和限制网络流量。

3. 高可用性和冗余能力测试为了测试三层交换机的高可用性和冗余能力,可以模拟网络中的链路故障和设备故障。

观察交换机在这些故障情况下的行为表现,包括链路恢复的速度、数据的转发路径选择等。

测试STP协议和VRRP协议的功能和性能,确保它们能够实现网络的快速收敛和冗余。

4. 兼容性测试针对不同的网络协议(如IPv4和IPv6),测试三层交换机的兼容性。

确保其能够正确地处理和转发IPv4和IPv6流量,并且支持相关的协议和技术。

5. 安全性测试测试三层交换机的安全性是非常重要的。

可以模拟不同类型的攻击,如DDoS攻击、ARP欺骗等,观察交换机的防御能力。

此外,还需测试交换机对入侵检测和入侵防御的支持程度,确保网络的安全性。

四、测试工具进行三层交换机测试时,可以使用各种网络测试工具,如Wireshark、Spirent TestCenter等。

H3C光模块相关命令和检测方法

H3C光模块相关命令和检测方法

H3C光模块相关命令和检测方法下面将介绍一些H3C光模块相关的命令和检测方法。

一、H3C光模块命令:1. display transceiver interface [ interface-type[ interface-number ] ]该命令用于显示指定接口的光模块信息,包括模块类型、模块的波长、模块的传输速率、模块的插槽号等。

2. display transceiver diagnostics interface [ interface-type [ interface-number ] ]该命令用于显示指定接口的光模块的诊断信息,包括光接收功率、光发射功率、接收光功率门限等。

3. display transceiver fault interface [ interface-type[ interface-number ] ]该命令用于显示光模块故障信息,包括是否存在光模块故障、故障类型等。

4. display transceiver mmd [ interface-type [ interface-number ] ]该命令用于显示指定接口的光模块的多模态信息,包括模块的最大距离、品牌信息、序列号等。

二、H3C光模块检测方法:1.检查物理连接是否正常:检查光模块的连接是否牢固,光纤是否正确连接至模块端口,光纤是否损坏。

2.检查模块类型与设备是否匹配:确认所使用的光模块是否与网络设备兼容,并且支持设备的传输速率和波长要求。

3.检查光模块的波长和速率是否匹配:确认光模块的波长、传输速率与被连接设备的要求一致。

4.检查光发射功率及接收光功率是否正常:使用显示光模块诊断信息的命令,检查光发射功率及接收光功率的数值是否在正常范围内。

5.检查光模块的工作温度是否正常:确保光模块的工作温度在设备的工作温度范围内,避免因温度过高或过低而影响光模块的正常工作。

6.检查光模块是否存在故障:使用显示光模块故障信息的命令,检查是否存在光模块故障,如没有光发射、光接收故障等。

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CISCO 与H3C STP对接测试实验拓扑一:H3C 3600-1配置:stp instance 1 priority 4096stp instance 2 priority 8192stp enablestp region-configurationregion-name Srevision-level 1instance 1 vlan 110 120instance 2 vlan 130 140active region-configurationstp config-digest-snoopingH3C 3600-2配置:stp instance 1 priority 8192stp instance 2 priority 4096stp enablestp region-configurationregion-name Sinstance 1 vlan 110 120instance 2 vlan 130 140active region-configurationstp config-digest-snoopingCISCO 3560配置:spanning-tree mode mstspanning-tree extend system-id!spanning-tree mst configurationname Srevision 1instance 1 vlan 110, 120instance 2 vlan 130, 140SPANNING-TREE 状态:H3C-3600-1:<h3c-1>dis stp briMSTID Port Role STP State Protection0 Ethernet1/0/1 ROOT FORW ARDING NONE0 Ethernet1/0/2 DESI FORWARDING NONE1 Ethernet1/0/1 DESI FORWARDING NONE1 Ethernet1/0/2 DESI FORWARDING NONE2 Ethernet1/0/1 ROOT FORWARDING NONE2 Ethernet1/0/2 DESI FORWARDING NONE (*) means port in aggregation group<h3c-1>dis stp ins 1-------[MSTI 1 Global Info]-------MSTI Bridge ID :4097.000f-e268-4df2MSTI RegRoot/IRPC :4097.000f-e268-4df2 / 0MSTI RootPortId :0.0Master Bridge :32768.000f-e268-4d14Cost to Master :200TC or TCN received :330----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.1Num of Vlans Mapped :2Rapid Fwd State :Rapid ForwardingPort Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.2Num of Vlans Mapped :2Rapid Fwd State :Rapid ForwardingPort Times :RemHops 20<h3c-1>dis stp ins 2-------[MSTI 2 Global Info]-------MSTI Bridge ID :8194.000f-e268-4df2MSTI RegRoot/IRPC :4098.000f-e268-4d14 / 200MSTI RootPortId :128.1Master Bridge :32768.000f-e268-4d14Cost to Master :200TC or TCN received :191----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Root PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4098.000f-e268-4d14 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :8194.000f-e268-4df2 / 128.2Num of Vlans Mapped :2Rapid Fwd State :Rapid ForwardingPort Times :RemHops 19----[Port5(Ethernet1/0/5)][DOWN]----Port Role :Disabled PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200000Desg. Bridge/Port :8194.000f-e268-4df2 / 128.5Num of Vlans Mapped :1Port Times :RemHops 20<h3c-1>dis stp ins 0-------[CIST Global Info][Mode MSTP]-------CIST Bridge :32768.000f-e268-4df2Bridge Times :Hello 2s MaxAge 20s FwDly 15s MaxHop 20 CIST Root/ERPC :32768.000f-e268-4d14 / 0CIST RegRoot/IRPC :32768.000f-e268-4d14 / 200CIST RootPortId :128.1BPDU-Protection :disabledTC-Protection :enabled / Threshold=6Bridge ConfigDigest Snooping :enabledTC or TCN received :344Time since last TC :0 days 0h:43m:8s----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Protocol :enabledPort Role :CIST Root PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :32768.000f-e268-4d14 / 128.1Port Edged :Config=disabled / Active=disabledPoint-to-point :Config=auto / Active=trueTransmit Limit :10 packets/hello-timeProtection Type :NoneMSTP BPDU format :Config=auto / Active=legacyPort ConfigDigest Snooping :disabledNum of Vlans Mapped :1PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20 BPDU Sent :2074TCN: 0, Config: 0, RST: 0, MST: 2074BPDU Received :2336TCN: 0, Config: 0, RST: 0, MST: 2336----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Protocol :enabledPort Role :CIST Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :32768.000f-e268-4df2 / 128.2Port Edged :Config=disabled / Active=disabledPoint-to-point :Config=auto / Active=trueTransmit Limit :10 packets/hello-timeProtection Type :NoneMSTP BPDU format :Config=auto / Active=standard(802.1s)Port ConfigDigest Snooping :enabledRapid Fwd State :Rapid ForwardingNum of Vlans Mapped :1PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 19 BPDU Sent :1331TCN: 0, Config: 0, RST: 0, MST: 1331BPDU Received :13TCN: 0, Config: 0, RST: 0, MST: 13H3C-3600-2:<h3c-2>dis stp briMSTID Port Role STP State Protection0 Ethernet1/0/1 DESI FORWARDING NONE0 Ethernet1/0/2 DESI FORWARDING NONE1 Ethernet1/0/1 ROOT FORWARDING NONE1 Ethernet1/0/2 DESI FORWARDING NONE2 Ethernet1/0/1 DESI FORWARDING NONE2 Ethernet1/0/2 DESI FORWARDING NONE <h3c-2>dis stp ins 1-------[MSTI 1 Global Info]-------MSTI Bridge ID :8193.000f-e268-4d14MSTI RegRoot/IRPC :4097.000f-e268-4df2 / 200MSTI RootPortId :128.1Master Bridge :32768.000f-e268-4d14Cost to Master :0TC or TCN received :100----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Root PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :8193.000f-e268-4d14 / 128.2Num of Vlans Mapped :2Port Times :RemHops 19<h3c-2>dis stp ins 1-------[MSTI 1 Global Info]-------MSTI Bridge ID :8193.000f-e268-4d14MSTI RegRoot/IRPC :4097.000f-e268-4df2 / 200MSTI RootPortId :128.1Master Bridge :32768.000f-e268-4d14Cost to Master :0TC or TCN received :100----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Root PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :8193.000f-e268-4d14 / 128.2Num of Vlans Mapped :2Port Times :RemHops 19<h3c-2>dis stp ins 2-------[MSTI 2 Global Info]-------MSTI Bridge ID :4098.000f-e268-4d14MSTI RegRoot/IRPC :4098.000f-e268-4d14 / 0MSTI RootPortId :0.0Master Bridge :32768.000f-e268-4d14Cost to Master :0TC or TCN received :92----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4098.000f-e268-4d14 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4098.000f-e268-4d14 / 128.2Num of Vlans Mapped :2Port Times :RemHops 20<h3c-2>dis stp ins 0-------[CIST Global Info][Mode MSTP]-------CIST Bridge :32768.000f-e268-4d14Bridge Times :Hello 2s MaxAge 20s FwDly 15s MaxHop 20CIST Root/ERPC :32768.000f-e268-4d14 / 0CIST RegRoot/IRPC :32768.000f-e268-4d14 / 0CIST RootPortId :0.0BPDU-Protection :disabledTC-Protection :enabled / Threshold=6Bridge ConfigDigest Snooping :enabledTC or TCN received :278Time since last TC :0 days 0h:46m:51s----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Protocol :enabledPort Role :CIST Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :32768.000f-e268-4d14 / 128.1Port Edged :Config=disabled / Active=disabledPoint-to-point :Config=auto / Active=trueTransmit Limit :10 packets/hello-timeProtection Type :NoneMSTP BPDU format :Config=legacyPort ConfigDigest Snooping :disabledNum of Vlans Mapped :1PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20 BPDU Sent :2456TCN: 0, Config: 0, RST: 0, MST: 2456BPDU Received :2186TCN: 0, Config: 0, RST: 0, MST: 2186----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Protocol :enabledPort Role :CIST Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :32768.000f-e268-4d14 / 128.2Port Edged :Config=disabled / Active=disabledPoint-to-point :Config=auto / Active=trueTransmit Limit :10 packets/hello-timeProtection Type :NoneMSTP BPDU format :Config=legacyPort ConfigDigest Snooping :enabledNum of Vlans Mapped :1PortTimes :Hello 2s MaxAge 20s FwDly 15s MsgAge 0s RemHop 20 BPDU Sent :1436TCN: 0, Config: 0, RST: 0, MST: 1436BPDU Received :8TCN: 0, Config: 0, RST: 0, MST: 8CISCO 3560状态:Switch#sh spanning-tree mst 1 de##### MST1 vlans mapped: 110,120Bridge address d057.4c2c.a400 priority 32769 (32768 sysid 1)Root address 000f.e268.4df2 priority 4097 (4096 sysid 1)port Fa0/21 cost 200000 rem hops 19 FastEthernet0/21 of MST1 is root forwardingPort info port id 128.23 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 0 Designated bridge address 000f.e268.4df2 priority 4097 port id 128.2 Timers: message expires in 4 sec, forward delay 0, forward transitions 2Bpdus (MRecords) sent 20, received 1584FastEthernet0/22 of MST1 is alternate blockingPort info port id 128.24 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 200 Designated bridge address 000f.e268.4d14 priority 8193 port id 128.2 Timers: message expires in 4 sec, forward delay 0, forward transitions 0Bpdus (MRecords) sent 7, received 12Switch#sh spanning-tree mst 2 de##### MST2 vlans mapped: 130,140Bridge address d057.4c2c.a400 priority 32770 (32768 sysid 2)Root address 000f.e268.4d14 priority 4098 (4096 sysid 2)port Fa0/22 cost 200000 rem hops 19 FastEthernet0/21 of MST2 is alternate blockingPort info port id 128.23 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 200 Designated bridge address 000f.e268.4df2 priority 8194 port id 128.2 Timers: message expires in 4 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 20, received 1589FastEthernet0/22 of MST2 is root forwardingPort info port id 128.24 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 0 Designated bridge address 000f.e268.4d14 priority 4098 port id 128.2 Timers: message expires in 4 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 7, received 16Switch#sh spanning-tree mst 0 de##### MST0 vlans mapped: 1-109,111-119,121-129,131-139,141-4094Bridge address d057.4c2c.a400 priority 32768 (32768 sysid 0)Root address 000f.e268.4d14 priority 32768 (32768 sysid 0)port Fa0/22 path cost 0Regional Root address 000f.e268.4d14 priority 32768 (32768 sysid 0)internal cost 200000 rem hops 19 Operational hello time 2 , forward delay 15, max age 20, txholdcount 6Configured hello time 2 , forward delay 15, max age 20, max hops 20 FastEthernet0/21 of MST0 is alternate blockingPort info port id 128.23 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 32768 cost 0 Design. regional root address 000f.e268.4d14 priority 32768 cost 200 Designated bridge address 000f.e268.4df2 priority 32768 port id 128.2 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus sent 20, received 1613FastEthernet0/22 of MST0 is root forwardingPort info port id 128.24 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 32768 cost 0 Design. regional root address 000f.e268.4d14 priority 32768 cost 0 Designated bridge address 000f.e268.4d14 priority 32768 port id 128.2 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus sent 7, received 40实验拓扑二:CISCO 3550配置:spanning-tree mode mstspanning-tree extend system-id!spanning-tree mst configurationname Srevision 1instance 1 vlan 110, 120instance 2 vlan 130, 140SPANNING-TREE 状态:SW2#sh spanning-tree mst 1 de###### MST01 vlans mapped: 110,120Bridge address 0014.a897.e880 priority 32769 (32768 sysid 1)Root address 000f.e268.4df2 priority 4097 (4096 sysid 1)port Fa0/46 cost 400000 rem hops 18 FastEthernet0/46 of MST01 is root forwardingPort info port id 128.46 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 200000 Designated bridge address d057.4c2c.a400 priority 32769 port id 128.25 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 5, received 126SW2#sh spanning-tree mst 2 de###### MST02 vlans mapped: 130,140Bridge address 0014.a897.e880 priority 32770 (32768 sysid 2)Root address 000f.e268.4d14 priority 4098 (4096 sysid 2)port Fa0/46 cost 400000 rem hops 18 FastEthernet0/46 of MST02 is root forwardingPort info port id 128.46 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 200000 Designated bridge address d057.4c2c.a400 priority 32770 port id 128.25 Timers: message expires in 4 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 5, received 128SW2#sh spanning-tree mst 0 de###### MST00 vlans mapped: 1-109,111-119,121-129,131-139,141-4094 Bridge address 0014.a897.e880 priority 32768 (32768 sysid 0)Root address 000f.e268.4d14 priority 32768 (32768 sysid 0)port Fa0/46 path cost 0IST master address 000f.e268.4d14 priority 32768 (32768 sysid 0)path cost 400000 rem hops 18 Operational hello time 2, forward delay 15, max age 20Configured hello time 2, forward delay 15, max age 20, max hops 20FastEthernet0/46 of MST00 is root forwardingPort info port id 128.46 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 32768 cost 0 Designated ist master address 000f.e268.4d14 priority 32768 cost 200000 Designated bridge address d057.4c2c.a400 priority 32768 port id 128.25 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus sent 5, received 132实验拓扑三:交换机配置同上不变动观察SPANNING-TREE 状态:H3C-3600-01:<h3c-1><h3c-1>dis stp briMSTID Port Role STP State Protection0 Ethernet1/0/1 ROOT FORW ARDING NONE0 Ethernet1/0/2 DESI FORWARDING NONE1 Ethernet1/0/1 DESI FORWARDING NONE1 Ethernet1/0/2 DESI FORWARDING NONE2 Ethernet1/0/1 ROOT FORW ARDING NONE2 Ethernet1/0/2 DESI FORWARDING NONE (*) means port in aggregation group<h3c-1>dis stp ins 1-------[MSTI 1 Global Info]-------MSTI Bridge ID :4097.000f-e268-4df2MSTI RegRoot/IRPC :4097.000f-e268-4df2 / 0MSTI RootPortId :0.0Master Bridge :32768.000f-e268-4d14Cost to Master :200TC or TCN received :352----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.1Num of Vlans Mapped :2Rapid Fwd State :Rapid ForwardingPort Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.2Num of Vlans Mapped :2Rapid Fwd State :Rapid ForwardingPort Times :RemHops 20<h3c-1>dis stp ins 2-------[MSTI 2 Global Info]-------MSTI Bridge ID :8194.000f-e268-4df2MSTI RegRoot/IRPC :4098.000f-e268-4d14 / 200MSTI RootPortId :128.1Master Bridge :32768.000f-e268-4d14Cost to Master :200TC or TCN received :227----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Root PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4098.000f-e268-4d14 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :8194.000f-e268-4df2 / 128.2Num of Vlans Mapped :2Rapid Fwd State :Rapid ForwardingPort Times :RemHops 19H3C-3600-02:<h3c-2>dis stp briMSTID Port Role STP State Protection0 Ethernet1/0/1 DESI FORWARDING NONE0 Ethernet1/0/2 DESI FORWARDING NONE1 Ethernet1/0/1 ROOT FORWARDING NONE1 Ethernet1/0/2 DESI FORWARDING NONE2 Ethernet1/0/1 DESI FORWARDING NONE2 Ethernet1/0/2 DESI FORWARDING NONE <h3c-2>dis stp ins 1-------[MSTI 1 Global Info]-------MSTI Bridge ID :8193.000f-e268-4d14MSTI RegRoot/IRPC :4097.000f-e268-4df2 / 200MSTI RootPortId :128.1Master Bridge :32768.000f-e268-4d14Cost to Master :0TC or TCN received :115----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Root PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4097.000f-e268-4df2 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :8193.000f-e268-4d14 / 128.2Num of Vlans Mapped :2Port Times :RemHops 19<h3c-2>dis stp ins 2-------[MSTI 2 Global Info]-------MSTI Bridge ID :4098.000f-e268-4d14MSTI RegRoot/IRPC :4098.000f-e268-4d14 / 0MSTI RootPortId :0.0Master Bridge :32768.000f-e268-4d14Cost to Master :0TC or TCN received :121----[Port1(Ethernet1/0/1)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4098.000f-e268-4d14 / 128.1Num of Vlans Mapped :2Port Times :RemHops 20----[Port2(Ethernet1/0/2)][FORW ARDING]----Port Role :Designated PortPort Priority :128Port Cost(Legacy) :Config=auto / Active=200Desg. Bridge/Port :4098.000f-e268-4d14 / 128.2Num of Vlans Mapped :2Port Times :RemHops 20CISCO 3560:Switch#sh spanning-tree mst 1 de##### MST1 vlans mapped: 110,120Bridge address d057.4c2c.a400 priority 32769 (32768 sysid 1)Root address 000f.e268.4df2 priority 4097 (4096 sysid 1)port Fa0/21 cost 200000 rem hops 19 FastEthernet0/21 of MST1 is root forwardingPort info port id 128.23 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 0 Designated bridge address 000f.e268.4df2 priority 4097 port id 128.2 Timers: message expires in 4 sec, forward delay 0, forward transitions 4Bpdus (MRecords) sent 35, received 2054FastEthernet0/22 of MST1 is designated forwardingPort info port id 128.24 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 200000 Designated bridge address d057.4c2c.a400 priority 32769 port id 128.24 Timers: message expires in 0 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 640, received 496Switch#sh spanning-tree mst 2 de##### MST2 vlans mapped: 130,140Bridge address d057.4c2c.a400 priority 32770 (32768 sysid 2)Root address 000f.e268.4d14 priority 4098 (4096 sysid 2)port Fa0/21 cost 200200 rem hops 18 FastEthernet0/21 of MST2 is root forwardingPort info port id 128.23 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 200 Designated bridge address 000f.e268.4df2 priority 8194 port id 128.2 Timers: message expires in 5 sec, forward delay 0, forward transitions 3Bpdus (MRecords) sent 35, received 2058FastEthernet0/22 of MST2 is alternate blockingPort info port id 128.24 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 200000 Designated bridge address 0014.a897.e880 priority 32770 port id 128.45 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 657, received 509CISCO 3550:SW2#sh spanning-tree mst 1 de###### MST01 vlans mapped: 110,120Bridge address 0014.a897.e880 priority 32769 (32768 sysid 1)Root address 000f.e268.4df2 priority 4097 (4096 sysid 1)port Fa0/46 cost 200200 rem hops 18 FastEthernet0/45 of MST01 is alternate blockingPort info port id 128.45 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 200000 Designated bridge address d057.4c2c.a400 priority 32769 port id 128.24 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 742, received 944FastEthernet0/46 of MST01 is root forwardingPort info port id 128.46 priority 128 cost 200000 Designated root address 000f.e268.4df2 priority 4097 cost 200 Designated bridge address 000f.e268.4d14 priority 8193 port id 128.2 Timers: message expires in 5 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 8, received 206SW2#sh spanning-tree mst 2 de###### MST02 vlans mapped: 130,140Bridge address 0014.a897.e880 priority 32770 (32768 sysid 2)Root address 000f.e268.4d14 priority 4098 (4096 sysid 2)port Fa0/46 cost 200000 rem hops 19 FastEthernet0/45 of MST02 is designated forwardingPort info port id 128.45 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 200000 Designated bridge address 0014.a897.e880 priority 32770 port id 128.45 Timers: message expires in 0 sec, forward delay 0, forward transitions 2Bpdus (MRecords) sent 750, received 954FastEthernet0/46 of MST02 is root forwardingPort info port id 128.46 priority 128 cost 200000 Designated root address 000f.e268.4d14 priority 4098 cost 0Designated bridge address 000f.e268.4d14 priority 4098 port id 128.2 Timers: message expires in 4 sec, forward delay 0, forward transitions 1Bpdus (MRecords) sent 8, received 208。

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