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cisco產(chǎn)品配置手冊(存儲版)

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【正文】 由NIC或服務提供商所分配的合法的IP地址),來自網(wǎng)絡 /24的主機將從IP地址池C25O1中選擇一個地址作為自己的合法地址,經(jīng)由Serial O口訪問Internet。Router 1:ip route Router 3:ip route ip route 同時由于路由器Router 3除了與路由器Router 2相連外,不再與其他路山話相連,所以也可以為它賦予一條默認路由以代替以上的兩條靜態(tài)路由,ip route 。使用 CHAP和 PAP認證,每個路由器通過名字來識別,可以防止未經(jīng)止未經(jīng)授權的訪問。 LAPB(Link Access Procedure, Balanced)實現(xiàn),它定義了用于DTE/DCE連接的幀格式。 PVC(永久虛電路),沒有呼叫的過程,類似DDN專線。子接口(Subinterface)是一個物理接口上的多個虛接口,可以用于在同一個物理接口上連接多個網(wǎng)。幀中繼廣域網(wǎng)的設備分為數(shù)據(jù)終端設備(DTE)和數(shù)據(jù)電路終端設備(DCE),CISCO路由器作為DTE設備。2. 有關命令:端口設置:任務命令設置Frame Relay 封裝encapsulatin framerelay [letf]1設置Frame Relay LMI類型frame-relay lmi-type {ansi|cisco|q933a}2設置子接口interface interface-type Interface--number[multipoint|point-to-point]映射協(xié)議地址與DLCIframe-relay map protocol protocol-address dlci[broadcast]3設置FR DLCI編號frame-relay interface-dlcl dlci [broadcast]注:,則使用Internet工程任務組(IETF)規(guī)定的幀中繼封裝方式。在北美和日本, ISDN的主速率接口(PRI)提供 23個 B信道和 1個 D信道,總速率可達 1.544Mbps,其中 D信道速率為64KbPS。routerl#debug dialerRouter2ping 192.2O0.10.100:03:50:%LINK3UPDOWN:interface BRI0:1, changed state to Up00:03:50:BRIO:l:PPP callback Callback server Starting to router2 572OO:03:5O:BRIO:l:disconnecting Call
00:03:5O:%LINK3UPDOWN:Interface BRIO:l, changed state to down00:03:50:BRIO:l:disconnecting call00:O3:5O:BRIO:l:disconnecting CallO0:03:51:%LINK3UPDOWN: Interface BRIO:2, changed state to up00:O3:52:callback to router2 already startedOO:03:52:BRIO:2:disconnecting CallOO:O3:52:%LINK3UPDOWN: Interface BRIO:2, changed state to downOO:03:52:BR10:2:disconnecting call00:03:52:BRIO:2:disconnecting callOO:04:O5:: Callback timer expired00:04:05:BRI0:beginning callback to router2 57200:04:O5:BRIO: Attempting to dial 57200:04:O5:freeing callback to router2 57200:04:05:%LINK3UPDOWN:Interface BRIO:l, changed state to up0O:04:05: BRIO:l: NO Callback negotiated0O:04:05:%LINK3UPDOWN:Interface VirtualAccess1,change stateto up0O:04:05:dialer Protocol up for Vil0O:04:06:%LINEPROTO5UPDOWN:Line protocol on Interface BRIO:l, changed state to up00:04:06:%LINEPROTO5UPDOWN:Line protocol on Interface VirtualAccess 1, changed state to up00:04:11:%ISDN6CONNECT:Interface BRIO:1 is now connected to 572#routerl4.ISDN訪問首都在線263網(wǎng)實例 本地局部網(wǎng)地址為1O.0.O.0/24,屬于保留地址,通過NAT地址翻譯功能,局域網(wǎng)用戶可以通過ISDN上 263網(wǎng)訪問1nternet。全局設置:任務命令設置用戶名和密碼username username Password Password設置用戶的 IP地址池ip local pool {default|poolname lowipaddress [high-address]}指定地址池的工作方式ip addresspool[dhcpproxyclient| local]基本接口設置命令:任務命令設置封裝形式為PPPencapsulation ppp啟動異步口的路由功能Async default routing設置異步口的 PPP工作方式Async mode {dedicated | interactive}設置用戶的IP地址peer default ip address {ip address|dhcp|pool[poolname]}設置IP地址與EthernetO相同Ip unnumbered ethernet0Line 撥號線設置:任務命令設置modem的工作方式Modem {inout|dialin}自動配置modem類型Modem autoconfig discovery設置撥號線的通訊速率Speed speed設置通訊線路的流控方式Flowcontrol{none|software[lock][in|out]|haderware[in|out]}連通后自動執(zhí)行命令Automand mand訪問服務器設置如下: Router:
hostname Router enable secret 5$l$EFqU$tYLJLrynNUKzE4bx6fmH// ! interface EthernetO ip address 10.111.4.2O 255.255. ! interface Async1 ip unnumbered Etherne。T 5ESS switch type for the (ISDN PRI only)Primarydms100NT DMS100 switch type for the (ISDN PRI only)New ZealandBasicnznet3New Zealand Net3 switches 實現(xiàn)DDR(dialondemand routing)實例:設置如下:Routerl: hostname routerl user router2 password cisco ! isdn switch-type basic-net3 ! Interface bri O iP address encapsulation ppp dialer map lp 192.200.10.2 name router2 572 dialer load-threshold 8O ppp multilink dialergroup 1 ppp atlthentication chap ! dialer-list 1 protocol ip permit !Router2: hostname router2 user router1 password clsco ! isdn switch-type basic-net3 ! Interface bri O ip address 192.2O0.10.2 255.255.255.0 encapsulation ppp dialer map ip 192.2O0.10.1 name router1 571 dialer loadthreshold 8O ppp multilink dialergroup 1 ppp authentication chap ! dialer-list 1 protocol ip permit!Ciscl路由器同時支持回撥功能,我們將路由器Router1作為Callback Server,Router2作為Callback Client。D信道的速率為 16Kbps。它是路由器和幀中繼交換機之間信令標準,提供幀中繼管理機制。它是一種數(shù)據(jù)包交換技術,是X.25的簡化版本。路由器設置如下:
Router1:
Interface Serial0 encapsulation x25 ip address 192.2O0. 255.255.255.O x25 address1 10l0l x25 htc 16 x25 nvc 2 x25 map ip 192.2O0.10.2 110102 broadcast x25 map ip 192.200. 10.3 110103 broadcast !Router2: Interface SerialO encapsulation x25 ip address 192.20O. 255.255. x25 address 110102 x25 htc 16 x25 nvc 2 x25 map ip l92.200.10.1 11O10l broadcast x25 map ip 192.200.10.3 11O103 broadcast !Router: Interface SerialO encapsulation x25 ip address 192.2O0. 255.255.255.0 x25 address 110103 x25 htcl6 x25 nvc 2 x25 map ip .10.1 11O1O1 broadcast x25 map lp .10.2 11O102 broadcast! 相關調(diào)試命令 clear x25-ve show Interfaces serial show x25 map show x25 routeshow x25 ve 在以下實例中路由器 router1和router2均通過svc與 router連接,但router1和router2不通過svc直接連接,此三個路由器的串口運行RIP路由協(xié)議,使用了子接口的概念。 , ,當用戶申請到的是SVC(交換虛電路)時,首先將呼叫對方X.121地址,然后接收到呼叫的一端可以接受或拒絕,如果接受請求,于是連接建立實現(xiàn)數(shù)據(jù)傳輸,當沒有數(shù)據(jù)傳輸時掛斷連接,整個呼叫過程就類似我們撥打普通電話一樣。所建的這兩個用戶的password必須相同。 O Slip Secs, 0 Fr Loss Secs, O Line Err Secs, O Degraded Mins, O Errored Secs, O Bursty Err Secs, O Severely Err Secs, 0 Unavail Secs以下例子為 E1連接 3條 64K專線,幀類型為 NO_CRC4,非平衡鏈路,路由器具體設置如下: shanxi#writ Building configuration...
Current configuration:

version no service udpsmallserversno service tcpsmallservers!hostname shanxi!enable secret 5$l$XN08$/enable password shanxi!!ip subnetzero!controller E1 0framing NO_CRC4channelgroup 0 timeslots 1channelgroup
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