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CCNA实验(6)

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发表于 2015-5-25 10:14:12 | 显示全部楼层 |阅读模式
  交换机的作用主要有两个:
1.维护CAM(ContextAddress Memory)表,该表是MAC地址和交换机端口的映射表
2.根据CAM进行数据帧的转发
交换机对数据帧的处理有三种:
1.Forward:查询CAM表,有目的计算机所在的端口,且不是入端口
2.Filter:目的端口是入端口
3.Flood:查询不到目的计算机所在端口,或者收到广播帧或者组播帧
以太网交换机转发数据帧有三种交换方式:
1.存储转发(Store-and-Forward)
2.直接转发(Cut-Through)
3.无碎片(Fragment-Free):读取数据帧前64个字节后,开始转发该帧。
1.VLAN的划分
2.VLAN间路由
3.生成树
  enable
conf t
no ip do lo
enable pass cisco
line con 0
logg sync
exec-t 0 0
line vty 0 4
pass cisco
logg sync
exit
host
  1.VLAN的划分
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
SW1:
vlan database
vlan 2
vlan 3
apply
int f0/1
switchport mode access
switchport access vlan 2
exit
int f0/2
switchport mode access
switchport access vlan 3
exit
R1:
int f0/0
ip add 123.1.1.1 255.255.255.0
no shut
exit
R2:
int f0/0
ip add 123.1.1.1 255.255.255.0
no shut
exit
SW1:
show vlan-switch brief
  2.VLAN的路由
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O+bh4eHp6XnmzBlvb+8LFy74+vr6+/tjsVg8Hk8ikahUKoPBYLFYbDY7ODg4JCQkPDz80qVLUVFR0dHRcXFxCQkJQqEwOTlZLBanp6dnZmZmZ2fn5eXJ5XKlUvnDkx/0Tu+kzknXb14PlUqHeQUNlaAXTE//XtBLFlisFR6/lEhcTiLZkEg2JNIyEsmaSLQyRJSw+/XXEydOHOMe6+2FObfmhIaGRkREREZGRkVFxcTExMfHJyYmikSilJSUtLS09PT0rKysnJwcmUymUCgKCgqKi4uvXr1aVlZ27dq169evV1VV1dbW3rx58/bt23fu3Ll///7Dhw+bm5v//PPPp0+ftra2trW1DbkvzZuFGBWPQ8fpnt6L6EW0r+cL0Atjl9fywogmTTtCjaoXoYv0vCBEhaY+T28VyWjyfHT+u+i736Df0FCaGlWj0AsQXUabF1AUvYfeW4ou1RjhA/QDGkoz9UkaEwzOC07TwYyZx6EX3nZGoRc0VKPVclT+BH1iwpMzptD3gtMC7TOX6U66f1zwbT8bQC+8HYxaL+jR18p2uoiceyyGCXltslUqncvhNB2AD+2Pm2Mw8+xngK46wrcLAFjg1M8GBkkBTCb0gol5Q7wgcu61hjrQ9YTe2tnoS5F0/6n3LhAddE7Pgm8xL+sCL2sB3Z+Pz5zR+489Pw87LcfhWAii27n2tYBeMAzVjY0mN4ImnWcwBueF7s/atZT1tKAt5V1/62MXiBatQi/L+DNnALDAqcetftz+Q03V4Lj9hz0bEfobDLsMLMJiz9HpbDa791ibQQK9YBjUKLrh9edKMHhajsMxWKy6uro+M9kdzZxFPdbFfvlZRTDrVQvoY7NenyEoiuqtKgwA+Mmpz+rAPPsZYIb9vN5eMFB9YRkWe45ORxBEJpMN+VigFwxGxe3bS4bd+2A4aTEW68NgBPacFLAnOvUF3RtbE/1PnuythVe6AFYYeqF7Sp4/fx52+fIOost08PJRQtfjg+MzZ+hWCpx6bTD0AmCJwfxKJlNYLARB0tLShtORBHrBkMSlp9sPu8Pi0NJKHM6PwUAQRC6XvzqDr/CCyBkAsNnZrI8bHdYXXoceVYZfE+RyOfGARc/XDb3eUBrifcQKHO53CoXEZCIIEhwcrDuKf2hALxgStVotzc52p1Bshjon3xDSgrNnv1qyZNXq1RQKJTs7u1PdmYfmhaPhRWiRpqeNDvrPFzR3topgBsDctXP7iv897n+9XWB1YWAePXqUlZXFDgryZTBcyeR1zmbdjYjhpcVY7EYC4Xcy2Z/BYCEIgiBcLlehUBhkVh7oBcNz/fp1h82bP58zZ66rq8UrRkMPP1lgMBsJhBM0Gp5EsrGxeeedd6ZNm8bkMy1QC20Hx5/Rn5+huqWkn/cRfbyh7BH9NG6A7yOGxPPnz8vLyxMTE9lsNhNB/BmM41Tqb2TydiJxLR6/HIfrf+Y+SwzGBodbg8fvIBL3kskeNFoAk6lxAYIgHA4nNTVVpVL1nnJ+yEAvDJcitGgrunU+On8rurUYLb527dp//vMfAMC2bdtCQ0NpLNZpGm0PiWSPx1sawgWr8fjdJJIHjUZmMjXFgs/nl5eXl5eXr1ixAkToj4k4iB4c1GHAjgtGoa2t7ebNm0qlUiQShYWFdd3aCAtB6AhCZrHwTCaGyfRjMAKYTCyTSWQyaSyWVgFaLl26lJqaWlxc3NDQMBIDUqAXhkUmmjkRnai9Ccd3jJ9gNWHGjBkZGRmaDe7evSuTyfh8PoIgDBbLj8E4TqO5Uii7SSQHAmE1Hm+Dw1ljsYv0qogYzDIs1g6P30AgOBKJ+8jkY1SqL4NB1ykZfD5fJpPd1ZnQqRVtfUetP4zyM/Qz05wayCB4/vx5Y2NjTU1NWVmZUqnMzc3NyMhIS0vTjGpPTU1NS0vLzMzMzc0tKCioqKioq6t7+PBh2zAWhhgk0AvDYi46V+8+/Lzu8ydP+uh03NLSUl1dLZPJ9AKFbsRg9BUZtISFhYlEIplMVl1d3ecbh0foo95jKCeiE0f+NEDeNqAXhk4b2tbHHAco0J0F9FW0t7c3NzfX19erVKry8vLi4uKCgoL8/Hy5XJ6fn68Z4FxeXq5Sqerr65ubmwfZdPwO/U5/UoDsSQkJCdqZyCGQwQC9MHTUqPovnX/Ruw+noFN6vQUwHtlo9vvo+9rMfNj+4Q/bfgAA2NraXjPcIuiQtx7ohSHS2dlJJBLHk8breeEweti0GatEK11R11XoqiPokZvoTbVaHRER8eWXX44fP97d3b25udm02YO8EUAvDIXq6mpLS0sAwC6XXZvaNmmlsAPd8RwdYo/0kaNrDOXcie+9N3XqVBaL1dHRofP/8FUERB/ohdejs7OTQqF88MEHX375pUj08g1+LVorRsV1aN+jEkxNd5+F2traDeZf9zuGssshsIfC2AZ64TWora21srICAOzataufCvlAcxygxg3R+n0cv90f9v333wMAAPjsTNaNXlroo580ZKwBvTAo1Go1nU7/y1/+8te//jUxMbHfbQea4wDtNc2B3hwHBqXPMZTt7e10V3MAwPiJ79l+BX6JfarNCUGkuyNsX4xRoBcGpq6ubunSpQCAHTt2NDU1DbT5AHMcoD210GuOA4PzyjGU8wH467//DQCY+ve/R0ZG9niXqanzQC2MVaAX+kOtVrNYrMmTJ0+fPj0+Pn4wuww0xwGqued6WGBkq+wDjaGcc8xs6VIAgKWlZXFxMYpqG0KwETF2gV54JTdv3ly+fDkAYOvWrQ8ePBj0fv3OcUBQ9daC8bzwijGUarU6Li5u5syZ48aN22w2HcCawpgHeqEP1Go1m83+8MMPP//885iYmNfcu7/47CzSfbSnu4dxvNDfGMrnz5/77voR9AT6YWwCvaDP7du3V6xYAQBwcHBobGx8/S/oJz6bEVR9aMFkj/77eitSX1/v6OgIAJg1a1ZycrLR8wQZFUAvdKNWq4ODgz/66KPPPvssKipqqF/T//sI/XuxjzkORgFyufzHH38EAKxevfr69eumzg7E2EAvvKS+vt7Ozg4AsGHDhiHPrj0wb07fws7OTi6XO3369AkTJhw9evTx48emzhHEeJjcCz0n0X15z/ToddfVKB+paKpWq0NDQz/++ONPP/00MjJyRH7jjeXPP/88fvz4xIkTp0+fzuFwxsiatJDR4QWdOcLMCIHOulVqFWH2tBGsZd+5c+fnn38GAKxdu1Z3jhOILiqVSnOW5s+fP5zZx4fHIELItO6Po6ZN9kYymryg+bxiRR8XdQSezGkGGn7yyScff/xxeHg4nKFgQFJTU2fPng0A2L59++3bt43++wOFEPHayeDrk7ATtyEYTV7Q9rTp3QQ39HW+d+/eunXrAAD29vYNDQ0G+963nba2NiKROGXKlA8++ODChQutra1G/PGBQgjsxG04RocXdOuGfSrAoF6IjIz87LPPpkyZEhoaCqsJQ6CxsdHFxWXcuHFff/11TEyMsc7h4EIICjtxG4DR4YXevYJ1ni+YmRFUBvLC/fv3N27cCABYtWpVfX39cL9ubHPlypVFixYBAKytrUtLS0f+BwcXQmAnbkMwCr2A6j9hmtXz3cRQuXz58tSpUz/66CMOhwOrCQZBrVZHRUX9/e9/Hzdu3P79+x8+fDiSvzZwCJn79dc6jyQhQ8fkXjAGDx482Lx5MwDA1tb21q1bps7O28azZ8+8vb3ff//9Tz75hEqlGnB1k54MIoT0BPphyLyFXriGXhOiwuvoy156sbGx06ZNmzx5MpvNhtWEkePmzZtbtmwBAPzrX/+SSCSmzg5kWLxVXniKPl2LrtXOtrj+xfrNuzYDAJYtW3bjxg1T525MkJ2dPXfuXADAunXrampqTJ0dyBB5q7ywF92rNzvzBMIEJpMJqwnGpKOjIzAw8PPPP3/33XdPnjzZ5yo7kFHO2+OFDrRjEjpJzwsfd35s6nyNUR49enTo0KHx48d/8cUXYWFharUaVanQffvQZcvQ335DKypMnUFIf5jGCx2dnQ9aWopv3UosLQ1RKCgZGb4pKd4i0amEBE+B4FRCwnmRCCeRBMvlKRUVqvv323rMa943rWhr76WfxqHjOlHYpd9kVFZWagat7/7++85Jk7qvzPvvo7m5ps4d5JUYyQvP2trKGxouFRRgJZIzCQkecXGHY2L+iIrax+M5h4Xt5nK3czibAwPXMpl2NNpyMtmaQFiExeou5boEj1/LZLpFRQXLZA19zcXc3Nz86Y1P9bxgjpob5wAh/SAUCgvef19f2nPnDmbfkQghkAEZWS80trSkVlQwpFJ3IvGXgwe98PjDHM4pgeB4bOzh6Gg3Pn9fRIRTaOguLndbUNAmBFnLZK6iUm3J5CUEgrm//0pv75Xu7sv379dPv/++ikTaz+OlV1Zqfig5Oflvf/vbezbvje/oXgBqEjpJgSpG9AAhg6KjAx03ro+lPJ8+7b2tEUIIZEBGxAudanXFnTsR+fmcvDySWOxHIlVXV2v+q6mpiRMe7urv73bp0gE+f6+OFzYiyBoGYyWVakMiLcHjzTEYSyx2d3DwaSZTVVWl9xMRQqGmEFgTCKtOn37n3XctLCyqqqquold3ojsXogt/QX+pQGEjdnSgVqMffaQnhY6JE9U667UbLYRABoPhvXCruflyURFPqeTK5YG5uQyplJqZGZqWVlhSoruZQqHwIhAccbg9ISE7g4Md6HSro0fX4nArKZRlRKIVHm928eL/OTq6e3iUl5dr92p+/DhGKlXV1aEoupdG04YICwyGnpU1vIy/OVOmvIm4uel5gQWAra1txbVrxgwh55OSnr54YfSDf/MwpBfUKCqtqoq7coVfUBCen8+VyZCcHIZUSsrIwKWl+aWmksViYVbWs2fPtLs8efIkhMc75uXF4/Ea7tw5LRCsoFAszpxZ7OhIplIfPXqk3bKittZHKLQmEDTXeDub7RUVpVt7NMdgHDmc9sFMHGLqtV7GIs+eoevWdXth5Up+UNAqBwemWByRn2/MELIIh2NIpcY+/DcNQ3oh8/r1hJKSmOLiyIKCsPz8YJkMycmhZ2WR0tOxaWl+KSnnRKLTAsEfCIJnsXoP0RUWFq6m0TZ6eqakpmp7HHR0dKQUFu7n8fQU8Kr0a3j4QNkcDWu9jFVKStCoKLSoSK1WvxkhZKxiMC80tbQIS0sFV69GFxVdUirDFAqOTMbKzqZmZhLT07Fi8cWUlNPR0V5BQUECQXpBQVZRUWZhYUZhYXpBQZpSKS4q2sbh2NFotmSyC5cblJhYWVPDychYx2QO0gjadP3+fd2M9THxqunXehnrvGYIidNr4hkrhIxdDOYFWU2NqKws/upVzcOFUIUiKC9P4wWCRIIRi32Sk72FwlMCwbHY2MPR0Qf4/H0REQ443JqDB9fjcJsQZA2DsYpKXU4iLSEQLF7TBbrpos6KDzqtga6Po2KtlzFNfyHE105r8XnuXSGEtB6AdRcLC9MLYvd93z0s6qu9Bg4hEC0G80JudXVCSUnclStRhYURSmWIXM7OzWVmZ1MyMvBpaQFisU9S0lmh0FMgOBYbeyg6euO5c7sOHEhJTUVR9O7du+zwcNfAwJVUqnVAgJOraziPp5v4AgE7JuYoi7WBSLTs+VKqdzpOp2vrn/qj7V6xNpzR13oZ07w6hPiZATBjb7BPcvIfzrMBmGVNiz0cHW2/FADrow443JpfrD4FM344j6xhMOabAwAWfm+4EALRxZBe8IiPj7tyhV9YGN71JImWmemfmIiXSPxTUy8kJXklJnrExm48fvzQyZNlZWXafRubmiJycnaFhKykUKy2b3/+/Ln+lysUG06cMPPxGczFPkWjaUdJ6T5B6GJ0r/UyBtCGEI91WmHb/56dTbloBwBYcEHsk5R09qwtAGDOqdhD0ZQ5X4F/2h9ISU1FVQTviJchZL45AGDGTzsMFkIguhjSCxYYzOmEBN0nSfSsLCyFEsjlnsBi3ZhMB3d334AA3dUZSquqKOnp2zic9SyWPZ2+yLHjMkgAAASNSURBVNMzS6FIzs8/KxA4IAiGz2/QmaO5oLDwDx8fM0/PAb2gO5Kvj4Vb3sy1Xt4aNCGEfmQOAOuO5udz5Zc3fweAnZ+/ly0AYMGF1AtJSV7Ir38D4NOlvx3au2wO2Ki9Bi9DSMC2jwEAU/9dbrgQAtHFkF7QnOsdwcF0qZQjkyE5ObSsLL/Ll+83NqIo2tTUpK0ItLa2SoqLzwmFu7ncHV3d11bTaHY0mi2JpNt9bTEOdyI09Oq1a9ofamxsxDGZS48cMQ8IGIwXBgZ2XDAumhCy1bZnE2+1P3bfQgDAD05YNybTYe13AIAdvHvaulx3CDnv8DEAAMz1N3QIgWgxvBfMMZhFOJxTWJh/SormoSORy9Xb+OnTpykSiS+TuQeL3cZmO3R1a9V0X+td/bPAYFyCgsR5eZrdX7S1JSuVa6hUeLHfRDRFZZ79DAC+2cjTDSEnHQEAzqKmpqZyzE+aJl7AAvDtkXhtCFm1+X8AAGDmxiUmCSFjhhHxgjatptNdIiJOCQSs7Gy6VErOyMBJJAFisW9Kyjmh8ExCwsn4+D2hoZu6uq8tJ5GW4PH9PElyYDK9BILlZDIMAm8u2qLy7QKd+oKdH0EiIR6y0mvi/QIWuIR0hZA/LHvWMcCHa07AEDISjKwXtGkJHr+GwdgRHOwUFraPx/s9MtIlPHxPSMhOLncrm70RQX5mMFZSKDYkkhUeP5iWIfTCm8trhJALq8BsF3cYQoyOkbygL3Us1gqPX0okLieRbEgkGxJpGYlkTSRa4fEDPkOGXnjTgSFk9GMaL4xoghd7lANDyOgHegFibGBRGf1AL0CMDSwqox/oBYixgUVl9AO9ADE2sKiMfgzmherGRpNfZk06z2DAiz2agV4Y/RjMC2oU3fD6A10NnpbjcAwWq66uzlDHBTE4MISMfgw5X1PF7dtLhv3qaDhpMRbrw2AEBga2tLQY8LgghgWGkNGPged9jUtPtx92b5OhpZU4nB+DgSCIXC437EFBDA4MIaMcA3tBrVZLs7PdKRQbHM5o13gpFutGoTARBEGQ7OxsuBrlGwEMIaOZEVk/orq6OjQs7BSdvolAsByxq2uBwWwkEE7QaAwEQRAkPDxcO8U4ZPQDQ8hoZqTWm2pvby8vL+fz+TQW6zSNtodEssfjh+8ICwxmNR6/m0TyoNHITM31Rfh8fnl5eXt7+wgdC2TkgCFkdDLi61PevXtXJpPx+XwEQRgslh+DcZxGc6VQdpNIDgTCajzeBoezxmIX9byQizGYZVisHR6/gUBwJBL3kcnHqFRfBoOOdMPn82Uy2V2d2TggbyIwhIxCjLeedUtLS3V1tUwmE4lEYWFhSC9YCMJgsVi9/6OLsLAwkUgkk8mqq6vh46K3DxhCRg+mWeceRdH29vbm5ub6+nqVSlVeXl5cXFxQUJCfny+Xy/Pz8wsKCoqLi8vLy1UqVX19fXNzM3T82AGGEJNjMi9AIIMEhhDjA70AgUD0gV6AQCD6QC9AIBB9oBcgEIg+0AsQCEQf6AUIBKIP9AIEAtEHegECgegDvQCBQPT5f4u7EzTMxu8GAAAAAElFTkSuQmCC
R1:
int e0/0
no ip address
no shutdown
exit
int e0/0.10
encapsulation dot1Q 10
ip add 10.1.1.1 255.255.255.0
exit
int e0/0.20
encapsulation dot1Q 20
ip add 20.1.1.1 255.255.255.0
exit
SW1:
int f0/10
switchport mode trunk
switchport trunk encapsulation dot1q
no shutdown
exit
end
vlan database
vlan 10
vlan 20
apply
exit
conf t
int f0/1
switchport mode access
switchport access vlan 10
no shutdown
exit
int f0/2
switch mode access
switch access vlan 20
no shutdown
exit
PC1:
no ip routing
int e0/1
ip add 10.1.1.2 255.255.255.0
no shut
exit
ip default-gateway 10.1.1.1
PC2:
no ip routing
int e0/2
ip add 20.1.1.2 255.255.255.0
no shut
exit
ip default-gateway 20.1.1.1
  3.生成树
-----------------------------------------------------------------------------
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
SW1:
int range f0/1 , f0/5
switchport mode trunk
switchport trunk encapsulation dot1q
no shutdown
exit
SW2:
int range f0/2 , f0/5
switchport mode trunk
switchport trunk encapsulation dot1q
no shutdown
exit
SW3:
int range f0/1 , f0/2
switchport mode trunk
switchport trunk encapsulation dot1q
no shutdown
exit
SW1:
vlan database
vlan 2
vtp server
vtp domain yeslab
vtp pass cisco
apply
exit
SW2:
vlan database
vtp client
vtp domain yeslab
vtp pass cisco
apply
exit
SW3:
vlan database
vtp client
vtp domain yeslab
vtp pass cisco
apply
exit
SW1:
show spanning-tree brief
SW1:
spanning-tree vlan 1 priority 4096
spanning-tree vlan 2 priority 8192
SW2:
spanning-tree vlan 2 priority 4096
spanning-tree vlan 1 priority 8192

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