【正文】 Status Ports 1 default active Fa0/3, Fa0/4, Fa0/5, Fa0/6 Fa0/7, Fa0/8, Fa0/9, Fa0/10 Fa0/11, Fa0/12, Fa0/13, Fa0/14 Fa0/15, Fa0/16, Fa0/17, Fa0/18 Fa0/19, Fa0/20, Fa0/21, Fa0/22 Fa0/23, Fa0/24, Gig1/1, Gig1/22 VLAN0002 active Fa0/21002 fddidefault act/unsup 1003 tokenringdefault act/unsup 1004 fddinetdefault act/unsup 1005 trnetdefault act/unsup 三層交換機(jī)：SwitchenSwitchconf tEnter configuration mands, one per line. End with CNTL/Z.Switch(config)ip routingSwitch(config)vlan 2Switch(configvlan)vlan 3Switch(configvlan)int f0/2Switch(configif)switch acc vlan 3Switch(configif)int vlan 2Switch(configif)ip add Switch(configif)int vlan 3Switch(configif)ip add Switch(configif)int f0/1Switch(configif)switch trunk en dot1q //給端口封裝協(xié)議Switch(configif)switch mode trunkSwitch(configif)endSwitchshow vlanVLAN Name Status Ports 1 default active Fa0/3, Fa0/4, Fa0/5, Fa0/6 Fa0/7, Fa0/8, Fa0/9, Fa0/10 Fa0/11, Fa0/12, Fa0/13, Fa0/14 Fa0/15, Fa0/16, Fa0/17, Fa0/18 Fa0/19, Fa0/20, Fa0/21, Fa0/22 Fa0/23, Fa0/24, Gig0/1, Gig0/22 VLAN0002 active 3 VLAN0003 active Fa0/21002 fddidefault act/unsup 1003 tokenringdefault act/unsup 1004 fddinetdefault act/unsup 1005 trnetdefault act/unsup Switchshow ip int briInterface IPAddress OK? Method Status Protocol FastEthernet0/1 unassigned YES unset up up FastEthernet0/2 unassigned YES unset up up Vlan1 unassigned YES unset administratively down down Vlan2 YES manual up up Vlan3 YES manual up up驗(yàn)證：PC0 ping PC1注意點(diǎn)：三層交換機(jī)封裝端口配trunk的原理（dot1Q）協(xié)議。服務(wù)器過濾采用的訪問控制列表實(shí)現(xiàn)如上次實(shí)驗(yàn)，不再贅述。感覺最挫敗的也是在做實(shí)驗(yàn)的環(huán)節(jié)，因?yàn)榧词怪懒诵枨?，卻還是不知道用什么知識(shí)能很好的解決，即使知道用什么知識(shí)，依舊不知道怎么配置命令來實(shí)現(xiàn)。每天上午基本是答疑，不管是什么問題，都能拿出來討論。原理：通過給路由器或者三層交換機(jī)配置訪問控制列表，使數(shù)據(jù)包只允許通過80端口，起到過濾的作用。二、 摘要翻譯In the sixth and seventh week of the next semester of our sophomore year, we network engineering students went to JIANCE pany for internship for the first time. The teacher’s lesson who has a certificate “CCIE” is very lively. During the two weeks of internship, we learned a l