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utthrough Class) 二、 Fragmentfree (無碎片方式) Fragmentfree switching filters out collision fragments before forwarding begins. 64字節(jié) Fragmentfree switching waits until the packet is determined not to be a collision fragment(64bytes) before forwarding 169。 2022, By Shenzhen Polytechnic. All rights reserved. 13 配置 SVI地址( Configuring SVI Address) Switch(config)interface vlan 1 Switch(configif)ip address Switch(configif)no shutdown 169。 2022, By Shenzhen Polytechnic. All rights reserved. 14 配置端口安全( Configuring Port Security) Switch(config)int f0/1 Switch(configif)switchport mode access Switch(configif)switchport portsecurity Switch(configif)switchport portsecurity macaddress Switch(configif)switchport portsecurity violation restrict Switchsh portsecurity Secure Port MaxSecureAddr CurrentAddr SecurityViolation Security Action (Count) (Count) (Count) Fa0/1 132 1 0 Restrict 169。 2022, By Shenzhen Polytechnic. All rights reserved. 15 密碼破解( Password Recovery) 1. 拔掉電源( Unplug the power cable) mode按鈕( hold down the mode button) flash_init ( type flash_init) dir flash: ( type dir flash:) ( rename flash: flash:) ( Boot) setup模式提示下輸入 N ( enter N at the prompt to start the setup program.) 169。 2022, By Shenzhen Polytechnic. All rights reserved. 16 密碼破解( Password Recovery) 8. 進(jìn)入特權(quán)模式( switchenable) 9. 重命名配置文件 ( rename flash: flash:) 10. 將配置文件拷貝到 RAM中運(yùn)行 ( copy flash: system:runningconfig) ( enable password cisco) ( write) ( reload) 169。 2022, By Sh