ccna生成樹選舉過程pvst配置案例

過程過程PVSTSPOTO全球培訓(xùn)●項(xiàng)目●人SPOTOITSPOTO全球培訓(xùn)●項(xiàng)目●人SPOTOIT機(jī)構(gòu)●IT方案●PAGE1●BOOTCAMP全真IT實(shí)●——我們共創(chuàng)未來！BBS:（網(wǎng)絡(luò)修訂記修訂日修訂說正式發(fā)IP現(xiàn)有三臺交換機(jī)互聯(lián)，并創(chuàng)建VLAN10、VLAN20SW2VLAN204096，SW3VLAN200先在交換機(jī)中創(chuàng)建VLANTRUNKswitch#vlanswitch#vlanVLAN數(shù)據(jù)庫/switch(vlan)#vlanVLANswitchVLANswitch(config)#interfacefastEthernetswitch(config-if)#switchportmodeVLAN10和VLAN20SW2(config)#SW2(config)#spanning-treevlan10prioritySW3(config)#spanning-treevlan10prioritySW2(config)#spanning-treevlan20prioritySW3(config)#spanning-treevlan20priority先查看交換機(jī)的所有VLANMACSW2#showspanning-treebridgeo Bridge Age 32768 0 32768 SW2#showSW2#showspanning-treevlan10SpanningtreeenabledprotocolRoot0Thisbridgeistheo 2 MaxAge20 ForwardDelay15過程過程PVSTSPOTO全球培訓(xùn)●項(xiàng)目●人SPOTOITSPOTO全球培訓(xùn)●項(xiàng)目●人SPOTOIT機(jī)構(gòu)●IT方案●PAGE4●BOOTCAMP全真IT實(shí)●——我們共創(chuàng)未來！BBS:（網(wǎng)絡(luò)1900cc04.07ec.00011900cc04.07ec.0001Bridge 0oBridge 0o 2 MaxAge20 ForwardDelay15AgingTimePortIDPrio BridgePortSW2VLAN100，所以顯示VLAN10SW20RootSpanningtreeenabledprotocolSW1#showspanning-treevlan10 1o 2 MaxAge20 ForwardDelay15Bridge o 2 MaxAge20 ForwardDelay15AgingTimePortIDPrio BridgePort1900cc04.07ec.000119 4096cc05.07ec.0001原則，先比較COST值，若相同則再比較橋優(yōu)先級。橋優(yōu)先級較小的為指定端口，剩下一個(gè)端口即被SW1F0/0downSW1F0/2BLKFWDSW1#showspanning-treevlan10過程過程PVSTSPOTO全球培訓(xùn)●項(xiàng)目●人SPOTOSPOTO全球培訓(xùn)●項(xiàng)目●人SPOTOIT機(jī)構(gòu)●IT方案●PAGE6●BOOTCAMP全真IT實(shí)●——我們共創(chuàng)未來！BBS:（網(wǎng)絡(luò)SpanningtreeenabledprotocolRoot 3o 2 MaxAge20 ForwardDelay15Bridge o 2 MaxAge20 ForwardDelay15AgingTime PortIDPrio Bridge Port 19 4096cc05.07ec.0001根端