思科2950交换机中文配置手册.doc
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1、精品文档,仅供学习与交流,如有侵权请联系网站删除2950交换机简明配置维护手册中望商业机器公司2002-12-14目录说明3产品特性3配置端口4配置一组端口4配置二层端口6配置端口速率及双工模式6端口描述7监控及维护端口8监控端口和控制器的状态8刷新、重置端口及计数器10关闭和打开端口10配置VLAN11理解VLAN11可支持的VLAN12配置正常范围的VLAN12生成、修改以太网VLAN13删除VLAN14将端口分配给一个VLAN15配置VLAN Trunks16使用STP实现负载均衡19配置Cluster23说明本手册只包括日常使用的有关命令及特性,其它未涉及的命令及特性请参考英文的详细配
2、置手册。产品特性2950是只支持二层的交换机支持VLAN 到250个VLAN 支持VLAN ID从1到4094( IEEE 802.1Q 标准) 支持ISL及IEEE 802.1Q封装安全 支持IOS标准的密码保护 支持标准及扩展的访问列表来定义安全策略 支持基于VLAN的访问列表监视 交换机LED指示端口状态 SPAN及远端SPAN (RSPAN) 可以监视任何端口或VLAN的流量 内置支持四组的RMON监控功能(历史、统计、告警及事件)配置端口配置一组端口命令 目的 Step1 configure terminal进入配置状态Step2 interface range port-range
3、 进入组配置状态Step3 可以使用平时的端口配置命令进行配置Step4 end退回Step5 show interfaces interface-id验证配置Step6 copy running-config startup-config保存当使用interface range命令时有如下的规则: 有效的组范围:o vlan从1 到4094 o fastethernet 槽位/first port - last port, 槽位为0o gigabitethernet槽位/first port - last port,槽位为0o port-channel port-channel-number
4、 - port-channel-number, port-channel号从1到64 端口号之间需要加入空格,如:interface range fastethernet 0/15 是有效的,而interface range fastethernet 0/1-5 是无效的. interface range 命令只能配置已经存在的interface vlan 所有在同一组的端口必须是相同类别的。见以下例子:Switch# configure terminalSwitch(config)# interface range fastethernet0/1 - 5 Switch(config-if-r
5、ange)# no shutdown Switch(config-if-range)#*Oct 6 08:24:35: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up*Oct 6 08:24:35: %LINK-3-UPDOWN: Interface FastEthernet0/2, changed state to up*Oct 6 08:24:35: %LINK-3-UPDOWN: Interface FastEthernet0/3, changed state to up*Oct 6 08:24:35: %LI
6、NK-3-UPDOWN: Interface FastEthernet0/4, changed state to up*Oct 6 08:24:35: %LINK-3-UPDOWN: Interface FastEthernet0/5, changed state to up*Oct 6 08:24:36: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/05, changed state to up*Oct 6 08:24:36: %LINEPROTO-5-UPDOWN: Line protocol on Inter
7、face FastEthernet0/3, changed state to up*Oct 6 08:24:36: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/4, changed state to up以下的例子显示使用句号来配置不同类型端口的组:Switch# configure terminalSwitch(config)# interface range fastethernet0/1 - 3, gigabitethernet0/1 - 2 Switch(config-if-range)# no shutd
8、own Switch(config-if-range)#*Oct 6 08:29:28: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up*Oct 6 08:29:28: %LINK-3-UPDOWN: Interface FastEthernet0/2, changed state to up*Oct 6 08:29:28: %LINK-3-UPDOWN: Interface FastEthernet0/3, changed state to up*Oct 6 08:29:28: %LINK-3-UPDOWN: In
9、terface GigabitEthernet0/1, changed state to up*Oct 6 08:29:28: %LINK-3-UPDOWN: Interface GigabitEthernet0/2, changed state to up*Oct 6 08:29:29: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/ 1, changed state to up*Oct 6 08:29:29: %LINEPROTO-5-UPDOWN: Line protocol on Interface F
10、astEthernet0/ 2, changed state to up*Oct 6 08:29:29: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/ 3, changed state to up配置二层端口2950的所有端口缺省的端口都是二层口,如果此端口已经配置成三层端口的话,则需要用switchport来使其成为二层端口。配置端口速率及双工模式可以配置快速以太口的速率为10/100Mbps及千兆以太口的速率为10/100/1000-Mbps; 但对于GBIC端口则不能配置速率及双工模式,有时可以配置noneg
11、otiate,当需要联接不支持自适应的其它千兆端口时命令目的 Step1 configure terminal进入配置状态.Step2 interface interface-id进入端口配置状态.Step3 speed 10 | 100 | 1000 | auto | nonegotiate设置端口速率 注1000 只工作在千兆口. GBIC模块只工作在1000 Mbps下. nonegotiate 只能在这些GBIC上用 1000BASE-SX, -LX, and -ZX GBIC.Step4 duplex auto | full | half设置全双工或半双工. Step5 end退出S
12、tep6 show interfaces interface-id显示有关配置情况Step7 copy running-config startup-config保存Switch# configure terminalSwitch(config)# interface fastethernet0/3Switch(config-if)# speed 10Switch(config-if)# duplex half端口描述 命令目的 Step1 configure terminal进入配置模式Step2 interface interface-id进入要加入描述的端口Step3 descripti
13、on string加入描述 (最多240个字符).Step4 end退回.Step5 show interfaces interface-id descriptionorshow running-config验证.Step6 copy running-config startup-config保存Use the no description interface configuration command to delete the description.This example shows how to add a description on Fast Ethernet interface
14、 0/4 and to verify the description: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
15、 Protocol DescriptionFa0/4 up down Connects to Marketing监控及维护端口监控端口和控制器的状态主要命令见下表:Show Commands for Interfaces Command 目的 show interfaces interface-id显示所有端口或某一端口的状态和配置.show interfaces interface-id status err-disabled显示一系列端口的状态或错误关闭的状态show interfaces interface-id 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
16、。show interfaces interface-id description显示端口描述show running-config interface interface-id显示当前配置中的端口配置情况show version显示软硬件等情况举例如下:Switch# show interfaces statusPort Name Status Vlan Duplex Speed TypeGi0/1 connected routed a-full a-100 10/100/1000BaseTXGi0/2 wce server 20.20.2 disabled routed auto auto
17、 10/100/1000Base TXGi0/3 ip wccp web-cache notconnect routed auto auto 10/100/1000Base TXGi0/4 notconnect routed auto auto 10/100/1000Base TXGi0/5 notconnect routed auto auto 10/100/1000Base TXGi0/6 disabled routed auto auto 10/100/1000Base TXGi0/7 disabled routed auto auto 10/100/1000Base TXGi0/8 d
18、isabled routed auto 100 10/100/1000Base TXGi0/9 notconnect routed auto auto 10/100/1000Base TXGi0/10 notconnect routed auto auto 10/100/1000Base TXGi0/11 disabled routed auto auto unknownGi0/12 notconnect routed auto auto unknownSwitch# show interfaces fastethernet 0/1 switchportName: Fa0/1Switchpor
19、t: EnabledAdministrative Mode: static accessOperational Mode: downAdministrative Trunking Encapsulation: dot1qNegotiation of Trunking: OffAccess Mode VLAN: 1 (default)Trunking Native Mode VLAN: 1 (default)Trunking VLANs Enabled: ALLPruning VLANs Enabled: 2-1001Protected: falseUnknown unicast blocked
20、: disabledUnknown multicast blocked: disabledVoice VLAN: dot1p (Inactive)Appliance trust: 5Switch# show running-config interface fastethernet0/2Building configuration.Current configuration : 131 bytesinterface FastEthernet0/2 switchport mode access switchport protected no ip address mls qos cos 7 ml
21、s qos cos overrideend刷新、重置端口及计数器Clear命令目的 clear counters interface-id清除端口计数器.clear line number | console 0 | vty number重置异步串口的硬件逻辑Noteclear counters 命令只清除用show interface所显示的计数,不影响用snmp得到的计数 举例如下:Switch# clear counters fastethernet0/5 Clear show interface counters on this interface confirm y Switch#*
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