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<P>R1(config)# line console 0 </P>
<P>R1(config-line)# exec-timeout 5 10 </P>
<P>R1(config)# line vty 0 4 </P>
<P>R1(config-line)# exec-timeout 5 2 </P>
<P>82. 在Cisco设备上设定特权级： </P>
<P>R1(config)# privilege configure level 3 username </P>
<P>R1(config)# privilege configure level 3 copy run start </P>
<P>R1(config)# privilege configure level 3 ping </P>
<P>R1(config)# privilege configure level 3 show run </P>
<P>R1(config)# enable secret level 3 cisco </P>
<P>83. 使用命令privilege 可定义在该特权级下使用的命令： </P>
<P>router(config)# privilege mode level level command </P>
<P>84. 设定用户特权级： </P>
<P>router(config)# enable secret level 3 dallas </P>
<P>router(config)# enable secret san-fran </P>
<P>router(config)# username student password cisco </P>
<P>85. 标志设置与显示： </P>
<P>R1(config)# banner motd ‘unauthorized access will be prosecuted!’ </P>
<P>86. 设置vty访问： </P>
<P>R1(config)# access-list 1 permit 192.168.2.5 </P>
<P>R1(config)# line vty 0 4 </P>
<P>R1(config)# access-class 1 in </P>
<P>87. 配置HTTP访问： </P>
<P>Router3(config)# access-list 1 permit 192.168.10.7 </P>
<P>Router3(config)# ip http sever </P>
<P>Router3(config)# ip http access-class 1 </P>
<P>Router3(config)# ip http authentication local </P>
<P>Router3(config)# username student password cisco </P>
<P>88. 要启用HTTP访问，请键入以下命令： </P>
<P>switch(config)# ip http sever </P>
<P>89. 在基于set命令的交换机上用setCL1启动和核实端口安全： </P>
<P>switch(enable) set port security mod_num/port_num…enable mac address </P>
<P>switch(enable) show port mod_num/port_num </P>
<P>在基于CiscoIOS命令的交换机上启动和核实端口安全： </P>
<P>switch(config-if)# port secure [mac-mac-count maximum-MAC-count] </P>
<P>switch# show mac-address-table security [type module/port] </P>
<P>90. 用命令access-list在标准通信量过滤表中创建一条记录： </P>
<P>Router(config)# access-list access-list-number {permit|deny} source-address [source-address] </P>
<P>91. 用命令access-list在扩展通信量过滤表中创建一条记录： </P>
<P>Router(config)# access-list access-list-number {permit|deny{protocol|protocol-keyword}}{source source-wildcard|any}{destination destination-wildcard|any}[protocol-specific options][log] </P>
<P>92. 对于带内路由更新，配置路由更新的最基本的命令格式是： </P>
<P>R1(config-router)#distribute-list access-list-number|name in [type number] </P>
<P>93. 对于带外路由更新，配置路由更新的最基本的命令格式是： </P>
<P>R1(config-router)#distribute-list access-list-number|name out [interface-name] routing-process| autonomous-system-number </P>
<P>94. set snmp命令选项： </P>
<P>set snmp community {read-only|ready-write|read-write-all}[community_string] </P>
<P>95. set snmp trap 命令格式如下： </P>
<P>set snmp trap {enable|disable} </P>
<P>[all|moudle|classis|bridge|repeater| auth|vtp|ippermit|vmps|config|entity|stpx] </P>
<P>set snmp trap rvcr_addr rcvr_community </P>
<P>96. 启用SNMP chassis 陷阱: </P>
<P>Console>(enable) set snmp trap enable chassis </P>
<P>97. 启用所有SNMP chassis 陷阱: </P>
<P>Console>(enable) set snmp trap enable </P>
<P>98. 禁用SNMP chassis 陷阱: </P>
<P>Console>(enable) set snmp trap disable chassis </P>
<P>99. 给SNMP陷阱接收表加一条记录： </P>
<P>Console>(enable) set snmp trap 192.122.173.42 public </P>
<P>100. show snmp 输出结果。 </P>
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