交换机配置命令大全ppt课件

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,二级,三级,四级,五级,Tuesday,July 30,2019,#,H3c,交换机简单配置,1,基础配置,命令说明,Cisco,H3c,进入特权模式,enable,super,用户模式,en,#,sys,#,删除命令,no,undo,查看三层口配置,Show,ip,int,brief,dis,ip,int,brief,查看二层接口配置,Show,int,stats,dis,int,brief,查看接口的详细信息,Show,interface,G1,/,0/1,Dis,interface,G1/0/1,查看,arp,表,Show,ip,arp,dis,arp,查看,mac,地址表,Show,mac-address-table,dis mac-address,Ping,多个包,Ping,172.23.65.254,repeat,100,Ping,c,100,172.23.65.254,2,命令说明,Cisco,H3c,查看系统版本,show version,dis version,查看系统时间,show,clock,dis,clock,查看,flash,中内容,dir,flash:,dir,查看当前运行配置,show,running-config,dis,current,查看已保存配置,show,startup-config,dis,saved-config,查看系统日志,show,logging,dis,logbuffer,查看物理环境信息,show,environment,dis,environment,查看,CPU,利用率,show,process,cpu,dis,cpu-usage,查看设备硬件配置,show,inventory,dis,device,保存配置,write,save force,显示接口包计数,Show interface counters,dis counters inbound interface,清除接口计数,Clear,counters,reset,counters,interface,基础配置,3,VLAN,相关配置,命令说明,Cisco,H3c,新增,vlan,并命名,Vlan,6,5,name,management,Vlan,65,Name,management,Vlan,虚拟接口,Interface,vlan,65,Ip,address,172.23.65.251,Interface,vlan,65,Ip,address,1,72.23.65.251,删除,vlan,No,vlan,65,Undo,vlan,65,将接口划分到某,vlan,Interface,G1/0/1,Switchport,mode,access,Switchport,access,vlan,1,0,Interface,G1/0/1,Port,link-type,access,Port,access,vlan,10,4,Trunk,口配置,命令说明,Cisco,H3c,将接口设置为,Trunk,口,interface G1/0/48,switchport mode trunk,Interface G1/0/48,port link-type trunk,更改,Trunk,封装,switchport trunk encap dot1q,默认即为,dot1q,设置,Trunk,通行的,vlan,Switchport,trunk,allowed,vlan,all,Switchport,trunk,allowed,vlan,1,2,10,Switchport,tr,allowed,vlan,add,1,1,port trunk permit vlan all,Port,trunk,permit,vlan,1,2,100,设置本帧,vlan,Switchport,trunk,native,vlan,999,port trunk pvid vlan 999,5,Cisco,&,H3C,端口聚合对接,说明,Cisco,H3c,将聚合接口设置为,LACP,协商模式,Interface,G1/0/51,Channel-group,1,mode,active,No,shutdown,（,on,active/passive,desia/auto）,interface bridge-aggregation 19,link-aggregation mode dynamic,interface G1/0/51,port link-aggregation group 19,undo shutdown,配置聚合端口,Interface,port-channel,1,Switchport,mode,trunk,Switchport,trunk,allowed,vlan,all,int Bridge-Aggregation 1,port link-type trunk,port trunk permit vlan all,6,telnet,配置,Cisco,H3c,用户添加（权限分配）,Username,admin,privilege,15,password,admin,Service,password,encryption,local-user admin,service-type telnet ssh,password cipher admin,authorization-attribute level 3,开启,telnet,服务,(,仅,H3c),telnet server enable,设置,VTY,认证方式,Line,vty,0,15,Login,local,Privilege,level,15,user-interface vty 0 15,authentication-mode scheme,user privilege level 3,设置,enable,密码,Enable,password,cisco,Susuper password level 3 simple admin,7,LLDP&CDP,描述,LLDP,链路层发现协议,CDP,公有协议,Cisco,私有协议,配置,lldp,enable,Interface,G1/0/1,lldp,enable,cdp,run,Int,G1/0/1,cdp,enable,相互兼容配置,(,仅在,H3c,上做,),lldp,compa,cdp,Interface,G1/0/1,lldp compliance admin-status cdp txrx,无需配置,查看邻居列表,Dis,lldp-nei,list,Show,cdp,neighbor,查看邻居明细,Dis,lldp-nei,Show,cdp,nei,detail,8,IRF,简介,9,IRF,简介,IRF,不同于堆叠,，,不使用,专用的堆叠线缆连接,有域的概念，,极大地提高了系统的灵活性,10,IRF,简,介,-,配置,irf domain 21,irf member 1 priority 10,irf member 1 description Leida-UP,保存配置并重启设备，使,irf domain,生效,interface ten 1/0/,51,port link-type trunk,shutdown,irf-port 1/1,port group interface ten 1/0/51,Quit,将接口关闭后指定为,irf port,interface ten 1/0/51,undo shutdown,打开接口,save,保存当前配置,irf-port-configuration,active,激活,irf,配置,11,Cisco&H3C STP,对接,在左图所示,的网络环境中,当交换机之间连有多条链路时,将存在一定的问题,如,SW1,的,MAC,地址表中会显示接口,F0/1,与主机,A,相对应,而当数据发往,SW2,后,SW2,的,MAC,地址表则记录接口,F0/23,与主机,A,相对应,当,SW2,再次将流量从接口,F0/24,发回,SW1,时,SW1,的,MAC,地址表又会记录接口,F0/24,与主机,A,相对应。,当交换机之间存在多条活动链路时,交换机将从不正常的接口 上学习到,MAC,地址,导致,MAC,地址表的不正确与不稳定,并且还会导致重复的数,据包在网络中传递,引起广播风暴,使网络不稳定,12,对接,方法,1,：,不同厂商设备之间避免物理环路，且隔离,STP,域,(,互联接口上关闭生成树,),对接方法,2,：使用,MST,命令说明,Cisco,H3c,生成树模式改为,MST,spanning-tree mode mst,stp mode,mst,生成树配置：,实例配置，优先级配置,spanning,-,tree,mst,config,instance,0,vlan,1-4094,spanning-tree,mst,0,priority,4094,stp region-configuration,instance 0 vlan 1 to 4094,stp,instance,0,priority,0,开启生成树,默认即开启,Stp,enable,H3C与Cisco互联接口上配置MST兼容,无需,Interface G1/0/48,stp compliance dot1s,stp config-digest-snooping,13,SNMP,SNMP(Simple Network Management Protocol,简单网络管理协议,),，该协,议能够支持网络管理系统,用以监测连接到网络上的设备是否有任何引起,管理上关,注的情况。,SNMP,有三个版本，目前,v2,使用最多,SNMP,使用团体名,(Community),进行报文认证,Community,的操作可以是,Read,，,Write,SNMP,通过查询及修改,MIB,库来显示设备信息或者修改设备配置,14,SNMP,命令说明,Cisco,H3c,开启,SNMP,Snmp,agent,配置只读,community,public,snmp-server community public RO,snmp-agent community read public,配置可写,community,private,snmp-server community private RW,snmp-agent community write private,配置,SNMP,trap,snmp-server host 10.172.8.50 version 2c public,snmp-agent target-host trap address udp-domain 10.172.8.50 params securityname public v2c,15,Info-center,Info-Center,（信,息,中心）是设备,的信息枢纽，它能够对系统内所有模块的日志信息进行分类、管理，为网络管理员监控网络运行情况和诊断网络故障提供了有力的支持,。,系统可以向以下方向发送日志信息,:,控制,台,(console),、监视终端,(monitor),、日志缓冲区,(logbuffer),、日志主机,(loghost),和日志文件,(logfile),。日志信息的各个输出方向相互独立,可在开启信,息中心后分别进行设置,。,16,Info-center,17,Info-center,18,Info-center,命令说明,cisco,H3C,启用信息中心,Logging,on,Info-center,enable,将,logbuffer,的日志记录级别改为最高,(,慎用！,),Logging,buffered,7,Info-center,source,default,channel,logbuffer,l