【正文】 configline)exit Wisdom(config)line vty 0 4 Wisdom(configline)logging synchronous Wisdom(configline)no exectimeout Wisdom(configline)password cisco Wisdom(configline)login Wisdom(configline)end Wisdomconfigure terminal Wisdom(config)enable secret cisco Wisdom(config)end Wisdomservice passwordencryption //手工加密 ,不再顯示明文密碼 保存配置 wg_ro_c wg_ro_ccopy runningconfig startupconfig Destination filename [startupconfig]? Building configuration… wg_ro_c ? Copies the current configuration to NVRAM 保存命令 Copy runningconfig startupconfig=write ? Sets the local identity or message for the accessed router or interface 配置路由器主機(jī)名等參數(shù) 配置路由器的密碼 兩條常用的命令 Router(config)line console 0 Router(configline)exectimeout 0 0 Router(config)line console 0 Router(configline)logging synchronous ? 阻止會(huì)話退出 ? 使光標(biāo)還原到原來的位置，重新顯示被覆蓋的命里 ? Unique addressing allows munication between end stations. ? Path choice is based on destination address. Location is represented by an address IP地址規(guī)劃 主機(jī)通信對(duì) IP地址的要求 網(wǎng)絡(luò)中 IP地址必須唯一 在一個(gè)交換網(wǎng)絡(luò)中主機(jī)必須有相同的網(wǎng)絡(luò)號(hào)才能通信 在不同的交換網(wǎng)絡(luò)中（用路由器分開的網(wǎng)絡(luò)），主機(jī)不能有相同的網(wǎng)絡(luò)號(hào) IP尋址 IP 地址分類 不帶子網(wǎng)的 IP尋址 帶子網(wǎng)的 IP尋址 (這里的子網(wǎng)掩碼為 24位 ) 子網(wǎng)地址 子網(wǎng)掩碼 二進(jìn)制子網(wǎng)掩碼 －子網(wǎng)掩碼只能有這 9個(gè)數(shù)字 ? Subs not in use— the default 沒有子網(wǎng)的子網(wǎng)掩碼－缺省子網(wǎng)掩碼 ? Network number extended by eight bits 有子網(wǎng)的子網(wǎng)掩碼 有子網(wǎng)的子網(wǎng)掩碼 (續(xù) ) ? Network number extended by ten bits 劃分子網(wǎng)的幾個(gè)捷徑 : ?:2的 x次方 2(x代表掩碼位 ,即 2進(jìn)制為 1的部分 ) ?: 2的 y次方 2(y代表主機(jī)位 ,即 2進(jìn)制為 0的部分 ) ?:有效子網(wǎng)號(hào) =25610進(jìn)制的子網(wǎng)掩碼 ?:廣播地址 =下個(gè)子網(wǎng)號(hào) 1 ?:忽略子網(wǎng)內(nèi)全為 0和全為 1的地址剩下的就是有效主機(jī)地址 .最后有效 1個(gè)主機(jī)地址 =下個(gè)子網(wǎng)號(hào) 2(即廣播地址 1) 子網(wǎng)劃分 Other subs 申請(qǐng)到一段 C類地址 ，將這段地址分配給網(wǎng)絡(luò)中的主機(jī)，要求有 5個(gè)子網(wǎng)，每個(gè)子網(wǎng)最少有 20臺(tái)主機(jī)，地址分配的步驟： 確定網(wǎng)絡(luò)的主機(jī)位 n，利用 32n算出網(wǎng)絡(luò)位，然后算出子網(wǎng)掩碼 根據(jù)子網(wǎng)掩碼，確定每段 IP地址的范圍 配置路由器 IP地址 wg_ro_cconfigure terminal wg_ro_c(config)interface ether 0 wg_ro_c(configif)ip address wg_ro_c(configif)no shutdown wg_ro_c(configif)exit show interfaces Routershow interfaces Ether0 is up, line protocol is up Hardware is Lance, address is (bia ) Inter address is MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation ARPA, loopback not set, keepalive set (10 sec) ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:07, output 00:00:08, output hang never Last clearing of show interface counters never Queueing strategy: fifo Output queue 0/40, 0 drops。) delete Delete a file dir List files on a filesystem disable Turn off privileged mands disconnect Disconnect an existing work connection enable Turn on privileged mands erase Erase a filesystem exit Exit from the EXEC help Description of the interactive help system More ? You can plete a mand string by entering the unique character string, then pressing the Tab key. Router PrivilegedMode Command List 幫助機(jī)制 上下文關(guān)聯(lián)幫助 錯(cuò)誤信息提示 指出所輸入交換機(jī)命令的錯(cuò)誤所在，以便于修改或糾正 . 可以重新調(diào)出以前運(yùn)行過的命令，用來再次運(yùn)行、查看或修改 . 之前命令保存區(qū) 提供命令清單和與特定命令相關(guān)聯(lián)的參數(shù) . 路由上下文幫助 Router clok Translating CLOK % Unknown mand or puter name, or unable to find puter address Router clear clock Router % Inplete mand. Router set Set the time and date Router % Inplete mand. Router hh:mm:ss Current Time Router clock set 19:56:00 % Inplete mand. Router clock set 19:56:00 ? 131 Day of the month MONTH M