7配置ISDN拨号.ppt

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1、配置配置ISDNISDN拨号拨号网络技术应用网网络技术应用网目标目标完成本章的学习后，您可以完成下面的任务完成本章的学习后，您可以完成下面的任务:了解缺省、静态、重分发和被动端口的了解缺省、静态、重分发和被动端口的ISDNISDN配置配置识别拨号映射、协议、识别拨号映射、协议、DDRDDR的概念和的概念和ISDNISDN的连接标准和的连接标准和可选项可选项了解了解ISDN PRIISDN PRI配置命令配置命令了解了解ISDNISDN呼叫过程并分析和监视呼叫过程并分析和监视ISDNISDN的连接情况的连接情况Cisco ISDN 特点特点支持多协议支持多协议可选多个路由器系列可选多个路由器系列

2、SNMP支持的支持的ISDN MIB 组组多个负载通道多个负载通道按需分配带宽按需分配带宽可选的呼叫筛选可选的呼叫筛选可压缩的可压缩的PPP 按需连接的按需连接的DDRISDN BRI通道通道2B通道通道用途用途B电路交换上的语音或数据电路交换上的语音或数据(HDLC,PPP)速率速率64 kbpsDISDNNT1int bri 0通道通道用途用途D速率速率16 kbps信令信令(LAPD)2B+D通道通道BRI 可运行所有可运行所有ISDN服务服务ISDN配置工作配置工作ISDN全局配置全局配置选择交换机类型选择交换机类型配置出发配置出发DDR的兴趣包的兴趣包端口配置端口配置选择端口类型选择

3、端口类型(PRI或或BRI或子端口或子端口)配置端口的配置端口的IP地址等参数地址等参数配置可选参数配置可选参数ISDN配置步骤配置步骤使用下列命令配置全局参数：使用下列命令配置全局参数：Switch typeDialer listStatic routes,default routes,floating static routes使用下列命令配置端口命令：使用下列命令配置端口命令：Encapsulation PPP(CHAP and multilink)IP addressing Dialer groupDialer idle timeoutDialer mapRotary选择选择ISDN交

4、换机类型交换机类型(config)#isdn switch-type switch-type 选择与路由器相连的选择与路由器相连的ISDN交换机类型交换机类型设置缺省设置缺省/静态路由静态路由TCP/IP这里是缺省路径这里是缺省路径设置静态路由设置静态路由ip route 131.108.0.0 255.255.0.0 144.254.35.2 orip route 131.108.0.0 255.255.0.0 bri0TCP/IP?131.108.0.0144.254.35.2BRI0设置缺省路由设置缺省路由144.254.50.0144.254.30.0144.254.45.2144.2

5、54.45.1ip route 144.254.50.0 255.255.255.0 144.254.45.1 ip default-network 144.254.50.0设置路由重分发设置路由重分发将静态路由宣告到其它路由其中将静态路由宣告到其它路由其中192.150.42.0(config)#router igrp 109(config)#network 131.108.0.0(config)#redistribute static131.108.0.0其它端口其它端口其它端口其它端口设置被动端口设置被动端口不在该端口广播路由不在该端口广播路由(config)#router igrp 1

6、00(config)#passive-interface bri0TCP/IP设置设置ISDN按需拨号路由按需拨号路由TokenRingISDN Service ProviderBRI orPRINT1 or DSU/CSU1.2.远程路由器远程路由器NT1 or DSU/CSU1.1.数据包到达数据包到达2.2.将包送到将包送到DDR端口，确认是否为感兴趣端口，确认是否为感兴趣3.3.如果有兴趣启动如果有兴趣启动ISDN DDR线路。线路。4.4.接通远程路由器接通远程路由器3.4.NT1 or DSU/CSUDDR配置步骤配置步骤ISDN BRIRemoteRouter1.1.定义兴趣流量

7、定义兴趣流量2.2.指定兴趣流量到指定兴趣流量到BRI端口端口 3.3.定义目的定义目的 4.4.定义呼叫参数定义呼叫参数BRI设置设置DDR 兴趣流量兴趣流量(config)#dialer-list dialer-group protocol protocol-name permit|deny 定义兴趣包定义兴趣包指定到相关端口指定到相关端口设置端口协议设置端口协议(config)#interface bri interface-number 选择选择BRI端口端口(config-if)#encapsulation ppp|hdlc 选择选择BRIBRI帧格式帧格式(config-if)#p

8、pp authentication pap|chap 选择选择PPP验证方法验证方法设置设置SPID (config-if)#isdn spid1 spid-number ldn 有些服务商，需要设置有些服务商，需要设置B通道的通道的SPID(config-if)#isdn spid2 spid-number ldn 设置第二个设置第二个B通道的通道的SPID设置设置DDR的呼叫目的地的呼叫目的地(config-if)#dialer-group group-number(config-if)#dialer map protocol next-hop-address name name spee

9、d speed dial-string 指定由指定由dialer-list命令指定的拨号组命令指定的拨号组定义如何访问远程目标，并设置定义如何访问远程目标，并设置ISDN的连接速率的连接速率配置简单的配置简单的ISDN拨号拨号192.168.1.1 NT1E0BRI 0E010.113.110.1Cisco-aCisco-bISDN NT110.113.120.1BRI 0192.168.2.1510-555-1234408-526-4000使用使用PPP封装封装设置触发设置触发ISDN呼叫的指向目的的呼叫的指向目的的IP流量流量使用使用5ESS 基本速率交换机载波基本速率交换机载波线路提供商

10、指定参数的配置线路提供商指定参数的配置配置实例：配置实例：Cisco-a!Set up Cisco-a for ISDN and DDR!Set up hostname for Cisco-ahostname Cisco-a!Set up switch typeisdn switch-type basic-5ess!Set up CHAP username and password for remote routerusername Cisco-b password 111D0B04E1C020203!Configure BRI interface for PPP,DDR;assign to

11、dialer-list 1interface bri 0ip address 10.113.110.1 255.255.0.0encapsulation pppdialer idle-timeout 300dialer map ip 10.113.120.1 name Cisco-b 4085264000dialer-group 1 ppp authentication chap!Configure static route to subnet on remote router E0 interfaceip route 192.168.1.0 255.255.255.0 10.113.120.

12、1!Refer to protocols in dialer-list 1 to identify interesting packetsdialer-list 1 protocol ip permit配置实例配置实例 Cisco-b!Set up Cisco-b for ISDN and DDR!Set up hostname for Cisco-bhostname Cisco-b!Set up switch typeisdn switch-type basic-5ess!Set up CHAP username and password for remote routerusername

13、Cisco-a password 1506190D0D24222A2F!Configure BRI interface for PPP,DDR;assign to dialer-list 1interface bri 0ip address 10.113.120.1 255.255.0.0encapsulation pppdialer idle-timeout 300dialer map ip 10.113.110.1 name Cisco-a 5105551234dialer-group 1 ppp authentication chap!Configure static route to

14、subnet on remote router E0 interfaceip route 192.168.2.0 255.255.255.0 10.113.110.1!Refer to protocols in dialer-list 1 to identify interesting packetsdialer-list 1 protocol ip permit监视监视BRI的的PPP状态状态#show interface bri0 1BRI0:B-Channel 1 is up,line protocol is up Hardware is BRI MTU 1500 bytes,BW 64

15、 Kbit,DLY 20000 usec,rely 255/255,load 1/255 Encapsulation PPP,loopback not set,keepalive not set lcp state=OPEN ncp ccp state=OPEN ncp ipcp state=OPEN ncp osicp state=NOT NEGOTIATED ncp ipxcp state=NOT NEGOTIATED ncp xnscp state=NOT NEGOTIATED ncp vinescp state=NOT NEGOTIATED ncp deccp state=NOT NE

16、GOTIATED ncp bridgecp state=NOT NEGOTIATED ncp atalkcp state=NOT NEGOTIATED ncp lex state=NOT NEGOTIATED Last input 1w4d,output 1w4d,output hang never Last clearing of show interface counters never Output queue 0/40,0 drops;input queue 0/75,0 drops 5 minute input rate 0 bits/sec,0 packets/sec 5 minu

17、te output rate 0 bits/sec,0 packets/sec 165 packets input,9434 bytes,0 no buffer Received 0 broadcasts,0 runts,0 giants 0 input errors,0 CRC,0 frame,0 overrun,0 ignored,0 abort 165 packets output,9418 bytes,0 underruns 0 output errors,0 collisions,10 interface resets,0 restarts 48 carrier transition

18、s可选的端口配置可选的端口配置ISDN 使用访问列表触发呼叫使用访问列表触发呼叫 使用呼叫筛选使用呼叫筛选 配置调整速率配置调整速率 建立子地址建立子地址 使用多链路使用多链路PPP访问控制列表访问控制列表10.113.130.1NT1ISDN Service ProviderBRI 0 NT1NT1 10.113.110.110.113.120.1192.168.1.1Cisco-aCisco-bCisco-c192.168.3.1使用北电使用北电 DMS-100 交换机交换机Cisco-a 允许除允许除 IGRP路由更新以外的路由更新以外的IP流触发流触发 到到Cisco-b 的的ISDN

19、呼叫从而访问子网呼叫从而访问子网192.168.1.0。只允许只允许IP流量触发呼叫。流量触发呼叫。配置线路提供商给定的参数配置线路提供商给定的参数40852640004085271234配置配置BRI DDR的访问控制列表的访问控制列表 (config)#access-list access-list number permit|deny protocol|protocol-keyword source source-wildcard|any destination destination-wildcard|any protocol specific options使用标准或扩展的访问控制列

20、表确定触发使用标准或扩展的访问控制列表确定触发DDR呼叫的兴趣包呼叫的兴趣包 绑定绑定access-list和和dialer-group(config)#dialer-list dialer-group list access-list#配置配置BRI DDR的访问控制列表的访问控制列表(续续)(config-if)#dialer-group group-number(config-if)#dialer map protocol next-hop-address name name speed speed dial-string 指定拨号访问组到端口指定拨号访问组到端口定义如何访问目标定义如何

21、访问目标ISDN设备，并配置连接速率设备，并配置连接速率(56(56或或64K)64K)访问控制列表配置例访问控制列表配置例Cisco-a!Set up Cisco-a for ISDN and DDR using access lists!Set up hostname for Cisco-ahostname Cisco-a!Set up switch typeisdn switch-type basic-dms100!Set up CHAP username and password for remote router(local user DB)username Cisco-b pass

22、word 121A0C04E1C122203!Configure BRI interface for PPP,DDR;assign to dialer-list 1interface bri 0ip address 10.113.110.1 255.255.0.0ip passive-interfaceencapsulation pppdialer idle-timeout 300dialer map ip 10.113.120.1 name cisco-b 4085264000dialer map ip 10.113.130.1 name cisco-c 4085271234dialer-g

23、roup 2 ppp authentication chap访问列表的配置访问列表的配置 Cisco-a(续续)!Configure static routes to subnets on remote routers ethernet interfacesip route 192.168.1.0 255.255.0.0 10.113.120.1ip route 192.168.2.0 255.255.0.0 10.113.130.1!Define extended access lists to determine interesting traffic access list 101 de

24、ny igrp any any access-list 101 permit ip any any!Assign access lists to dialer-list dialer-list 2 list 101B-Channel 聚合聚合SpeedLimit128kbpsB2B1with MPP适用于适用于Cisco IOS的所有的所有ISDN平台平台由由Cisco专有的按需使用带宽专有的按需使用带宽(BOD)或多链路或多链路(Multilink)PPP完成完成64 kbps64 kbpsCisco 专有的专有的BODRouterTrafficBufferISDNB2B1(config)#

25、int bri0(config-if)#dialer loadthreshold load 使用使用Multilink PPP做做BODData InB1BAB2Sequencing andfragmentationData OutSequencing andreassemblyBAB1A1B2A2ISDNA1A2(config)#int bri0(config-if)#dialer loadthreshold load inbound/outbound/either(config-if)#ppp multilink呼叫鉴别筛选呼叫鉴别筛选Call setup message with loc

26、al ISDN numbersISDN1234Router ARouter BRouterISDN numberA1234Compare with allowed numbersAccept Call额外的呼叫管理额外的呼叫管理呼叫只有当对方同意才能建立连接呼叫只有当对方同意才能建立连接可以使用可以使用PPP封装的封装的CHAP验证验证配置呼叫号码配置呼叫号码(Caller ID)筛选筛选(config-if)#isdn caller number使用呼叫号码筛选使用呼叫号码筛选(config-if)#isdn answer1 called-party-number(config-if)#is

27、dn answer2 called-party-number 设置端口回应号码设置端口回应号码或或区号前缀的解决区号前缀的解决使用使用CHAP或或PAPCHAP或PAP验证连接的用户555123455543215554321not yetconnectedLeftRouterRightRouterPSTN/ISDN1st call(from 5554321)2nd call(to 4085554321)区号前缀的解决区号前缀的解决使用使用dialer-map name命令命令使用使用dialer-map命令中的命令中的name选项配置拨入的号码替选项配置拨入的号码替代代CHAP或或PAP。使用

28、使用debug isdn q931 命令找到其它号码命令找到其它号码right(config)#int bri0right(config-if)#dialer-map ip 2.0.0.1 name 5554321 4085554321555123455543211st call(from 5554321)5554321not yetconnected2nd call(to 4085554321)LeftRouterRightRouterPSTN/ISDNdebug isdn q931 命令输出命令输出router#debug isdn q931234191.372 TX-SETUP pd=8

29、 callref=0 x04Bearer Capability i=0 x8890Channel ID i=0 x83Called Party Number i=0 x80,4155551212234191.624 RX-CALL_PROC pd=8 callref=0 x84 Channel ID i=0 x89234191.692 RX CONNECT_ACK pd=8 callref=0 x04.Success rate is 0 percent(0/5)选择合适的选择合适的ISDN速率速率56 kbpsbri0bri0bri1ISDN56 kbps64 kbps64 kbps向外呼叫端

30、的配置向外呼叫端的配置可以使用低速线路可以使用低速线路在每个目的的基础上指定速率在每个目的的基础上指定速率配置适应的速率配置适应的速率(config-if)#dialer map protocol next-hop-address speed speed name name 协调到该目的端的速率协调到该目的端的速率 ISDN S Bus 和子地址和子地址(Subaddress)Multipoint S Bus2B2BISDN phoneDISDNNT1FaxDNT1S Bus4085551212连到连到NT1上上S总线挂接多个设备总线挂接多个设备为每个设备配置子地址为每个设备配置子地址 例如：

31、例如：4085551212:2:2:1ISDN NumberSubaddress:3:2配置子地址配置子地址在在ISDN的多点连接中配置子地址的多点连接中配置子地址(config-if)#dialer map protocol next-hop-address name hostname dial-string:isdn-subaddress高级配置例高级配置例isdn switch-type basic-net3interface bri 0ip address 172.16.11.1 255.255.255.0!accept only these calls in delivered by

32、 switch isdn caller 4153261415isdn caller 4153261417dialer map ip 172.16.11.2 speed 56 4153261415dialer map ip 172.16.11.3 4153261417:2dialer-group 1TokenRingISDNBRI 056 kbps64 kbps172.16.11.1172.16.11.2172.16.11.3BRI 0BRI 0NT1001002(4153261415)(4153261417)(4085261416)NT1NT1高级配置高级配置(续续)TokenRingISDN

33、BRI 056 kbps64 kbps172.16.11.1172.16.11.2172.16.11.3BRI 0BRI 0 isdn switch-type basic-net3 interface bri0 ip address 172.16.11.3 255.255.255.0!accept only these incoming calls isdn caller 4153261415 isdn caller 4085261416 dialer map ip 172.16.11.1 4085261416 isdn answer1 4153261417:2 dialer-group 10

34、01002(4153261415)(4153261417)(4085261416)NT1NT1NT1监视监视ISDN BRI端口端口router#show interface bri0BRI0 is up,line protocol is up(spoofing)Hardware is BRIInternet address is 172.16.126.1,subnet mask is 255.255.255.0MTU 1500 bytes,BW 56179;Kbit.DLY 20000 usec,rely 255/255,load 1/255Encapsulation PPP,loopbac

35、k not setLast input never,output 0:00:09,output hang neverLast clearing of“show interface”counters neverOutput queue 0/40,0 drops,;input queue 0/75,0 dropsFive minute input rate 0 bits/sec,0 packets/secFive minute output rate 0 bits/sec,0 packets/sec1948 packets input,11442 bytes,0 no bufferReceived

36、 392 broadcasts,0 runts,0 giants0 input errors,0 CRC,0 frame,0 overruns,0 ignored,0 abort1961 packets output,12249 bytes,0 overruns0 output errors,0 collisions,33 interface resets,0 restarts24 carrier transitions监视监视ISDN BRI端口端口(续续)router#show interface bri0 1 2BRI0:B-Channel 1 is down,line protocol

37、 is down Hardware is BRI MTU 1500 bytes,BW 64 Kbit,DLY 20000 usec,rely 255/255,load 1/255 Encapsulation PPP,loopback not set,keepalive set(10 sec)lcp state=CLOSED ncp ipcp state=CLOSED ncp osicp state=NOT NEGOTIATED ncp ipxcp state=NOT NEGOTIATED ncp xnscp state=NOT NEGOTIATED ncp vinescp state=NOT

38、NEGOTIATED ncp deccp state=NOT NEGOTIATED ncp bridgecp state=NOT NEGOTIATED ncp atalkcp state=NOT NEGOTIATED ncp lex state=NOT NEGOTIATED Last input 4d10,output 4d10,output hang never Last clearing of show interface counters never Output queue 0/40,0 drops;input queue 0/75,0 drops 5 minute input rat

39、e 0 bits/sec,0 packets/sec 5 minute output rate 0 bits/sec,0 packets/sec 26 packets input,866 bytes,0 no buffer Received 0 broadcasts,0 runts,0 giants 0 input errors,0 CRC,0 frame,0 overrun,0 ignored,0 abort 34 packets output,1017 bytes,0 underruns 0 output errors,0 collisions,12 interface resets,0

40、restarts 8 carrier transitions-More-router#show controller bri 0 BRI unit 0 D Chan Info:Layer 1 is ACTIVATED idb 0 x32089C,ds 0 x3267D8,reset_mask 0 x2 buffer size 1524 RX ring with 2 entries at 0 x2101600:Rxhead 0 00 pak=0 x4122E8 ds=0 x412444 status=D000 pak_size=0 01 pak=0 x410C20 ds=0 x410D7C st

41、atus=F000 pak_size=0 TX ring with 1 entries at 0 x2101640:tx_count=0,tx_head=0,tx_tail=0 00 pak=0 x000000 ds=0 x000000 status=7C00 pak_size=0 0 missed datagrams,0 overruns,0 bad frame addresses 0 bad datagram encapsulations,0 memory errors 0 transmitter underruns-More-监视监视ISDN BRI端口端口(续续)监视监视ISDN BR

42、I端口端口(续续)router#show isdn statusThe current ISDN Switchtype=basic-net3ISDN BRI0 interfaceLayer 1 Status:DEACTIVATEDLayer 2 Status:Layer 2 NOT ActivatedLayer 3 Status:No Active Layer 3 Call(s)Activated dsi 0 CCBs are 0,Allocated=0 监视监视ISDN BRI端口端口(续续)router#debug bri23:57:24:BRI:write_sid:scp=0,wrote

43、=1423:57:24:BRI:write_sid:scp=0,wrote=1623:57:24:BRI:write_sid:scp=0,wrote=1B23:57:24:BRI:write_sid:scp=0,wrote=1B23:57:24:BRI:write_sid:scp=0,wrote=2023:57:24:BRI:write_sid:scp=0,wrote=3SID interrupt.status reg=C23:57:24:BRI:Received activation indication.23:57:26:BRI:write_sid:scp=0,wrote=E23:57:2

44、6:BRI:write_sid:scp=0,wrote=E监视监视ISDN BRI端口端口(续续)router#debug isdn eventISDN Event:Call to 415555121202received HOST_PROCEEDING Channel ID i=0 x0101-Channel ID i=0 x89received HOST_CONNECT Channel ID i=0 x0101ISDN Event:Connected to 415555121202 on B1 at 64 Kb/s监视监视ISDN BRI端口端口(续续)router#debug isdn

45、q921router#debug isdn q931显示数据链路层的显示数据链路层的D通道在访问路由器和通道在访问路由器和ISDN交交换机之间的信息。换机之间的信息。显示显示ISDN呼叫在路由器和呼叫在路由器和ISDN交换机之间建立和交换机之间建立和拆除的第三层信息。拆除的第三层信息。多多BRI端口端口 把所有组成员端口指定一个把所有组成员端口指定一个电话号码电话号码555-1212interface bri 0dialer rotary-group 1interface bri 1dialer rotary-group 1interface bri 2dialer rotary-group

46、1interface bri 3dialer rotary-group 1interface dialer 1ISDN PRI 是是23B+D(或或30B+D)64-kbpsD-channel用来建立用来建立B-channel呼叫呼叫ISDNT1/E1Cisco 7000所有所有 PRI 通道为通道为 64 kbps(DS-0)T1 PRIB ChannelsE1 PRI端口端口2330北美和日本北美和日本使用地区使用地区欧洲和世界其它地方欧洲和世界其它地方23/30 BD配置配置 PRI选择选择PRI 交换机类型交换机类型指定指定T1/E1控制器控制器,帧类型帧类型,和和 设备的线路码设备的

47、线路码 设置设置T1/E1 PRI组的时间槽和指定使用的速率组的时间槽和指定使用的速率指定路由器上需要配置指定路由器上需要配置DDR的端口的端口 ISDNCSU/DSUISDN PRI 配置配置或或配置配置T1/E1 控制器的控制器的ISDN PRI部分部分(config)#controller t1|e1 slot 0|1(config)#interface serial unit:23|15(config)#isdn switch-type primary rate switch type配置配置 ISDN PRI 交换机类型交换机类型T1/E1 Controller 的的PRI可选项可选

48、项(config-controller)#framing esf|crc4 (config-controller)#linecode b8zs|hdb3设置设置ISDN PRI服务的帧类型服务的帧类型设置设置ISDN PRI服务的线路编码类型服务的线路编码类型其它其它ISDN PRI 配置可选项配置可选项ISDN PRI 通道化通道化 T1/E1 的速率设置的速率设置or 指定指定 Cisco 7000 系列的系列的 用来配置用来配置DDR的的MIP(Multichannel Interface Processor）指定指定 Cisco 4000 系列的系列的 用来配置用来配置DDR的的NPM

49、(Network Processor Module）(config)#interface serial slot/port:23|15 (config)#interface serial unit:23|15 (config-controller)#pri-group timeslots range 配置路由器配置路由器 T1 的时钟源以及的时钟源以及5200的主或次的时分复用时钟的主或次的时分复用时钟 (config-controller)#clock source line primary|secondary|internalPRI 配置实例配置实例Cisco 7000T1ISDN5ESS

50、isdn switch-type primary-5ess!controller t1 2/0primary-group timeslots 1-23 framing esflinecode b8zsclock source line primary!interface serial 2/0:23!set ip address,dialer,provider config statementsip address 172.16.11.2 255.255.255.0 DSU/CSU小结小结一个信令通道和多个数据通道一个信令通道和多个数据通道ISDN 有两种可选模式：有两种可选模式：BRI和和PR