这本书终于可以告一段落了。在这段空闲的时候时，对交换和路由又有了新的认识。
以前有点模糊的STP,PPP,CHAP,HDLC,TRUNK之类的，越来越清晰了。
有时间可以静静学习的感觉，
真好。
下一阶段，SQL~~~~~~~~~~哟哈~~~~~~~~~~
两个NET文件（6-1，6-2）：
#Lab 6-1autostart = Falseghostios = True[localhost] [[1760]] ram = 32 image = C:\Program Files (x86)\Dynamips\images\C1700-Ipbase-Mz.123-10a.image WIC0/0 = WIC-2T idlepc = 0x800a41d0 [[2691]] ram = 128 image = C:\Program Files (x86)\Dynamips\images\c2691-jk9s-mz.123-17.image idlepc = 0x603da73c slot1 = NM-16ESW [[Router CS]] model = 2691 console = 3001 f0/0 = R1 f0/0 f1/1 = DS1 f1/1 f1/2 = DS2 f1/2 [[Router DS1]] model = 2691 console = 3002 f1/12 = DS2 f1/12 f1/13 = AS1 f1/13 f1/14 = AS2 f1/13 [[Router DS2]] model = 2691 console = 3003 f1/13 = AS1 f1/14 f1/14 = AS2 f1/14 [[Router AS1]] model = 2691 console = 3004 f1/12 = AS2 f1/12 f1/1 = NIO_gen_eth:\Device\NPF_{F5FD1986-FC1E-41CE-AF58-F8B4D1333DFC} [[Router AS2]] model = 2691 console = 3005 f1/1 = R2 f0/0 [[Router R1]] model = 1760 console = 3006 [[Router R2]] model = 1760 console = 3007 #Lab 6-2autostart = Falseghostios = True[localhost] [[1760]] ram = 32 image = C:\Program Files (x86)\Dynamips\images\C1700-Ipbase-Mz.123-10a.image WIC0/0 = WIC-2T idlepc = 0x800a41d0 [[2691]] ram = 128 image = C:\Program Files (x86)\Dynamips\images\c2691-jk9s-mz.123-17.image idlepc = 0x603da73c slot1 = NM-4T [[Router R1]] model = 2691 console = 3001 f0/0 = R6 f0/0 f0/1 = R3 f0/0 s1/0 = R2 s0/1 s1/1 = R3 s1/0 [[Router R2]] model = 1760 console = 3002 f0/0 = NIO_gen_eth:\Device\NPF_{F5FD1986-FC1E-41CE-AF58-F8B4D1333DFC} [[Router R3]] model = 2691 console = 3003 s1/1 = R4 s0/0 s1/2 = R5 s0/0 [[Router R4]] model = 1760 console = 3004 s0/1 = R5 s0/1 [[Router R5]] model = 1760 console = 3005 f0/0 = R7 f0/0 [[Router R6]] model = 1760 console = 3006 [[Router R7]] model = 1760 console = 3007 