ccie command 考试常用命令

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1、CCIE考试涉及常用命令(部分)：Ping (Normal)Ping (Extended,Privilege)TraceShow ip routeShow sessionShow lineClear line xWho X hostname R6line con 0 exec-timeout 0 0No ip domain-lookupNo exec-timeoutIp subnet-zeroLogin password (configured)Vty password (configured)Enable passwordNo logg console (logg console) or l

2、ogg syn(line con 0)No logg buffer (logg buffer)Ip ClasslessXConfig a Router as a frame relay switchFrame-relay switchinginterface serial 1encapsulation frame-relayframe-relay intf dceframe-relay lmi-type ansiframe-relay route 102 interface s2 201 frame-relay route 103 interface s3 301 .Clockrate 640

3、00(options)interface serial 2encapsulation frame-relayframe-relay intf dceframe-relay lmi-type ansiframe-relay route 201 interface s1 102 frame-relay route 203 interface s3 302 Clockrate 64000(options)RIP CommandsRouter ripip rip send v 1/ v 2Neighbor x.x.x.x(when use passive interface)Offset listsp

4、lit-horizon ( in interface)Show ip protocols*auto-summaryEnable Automatic Network Number Summarization*default-informationControl Distribution of Default Information*default-metricSet Metric of Redistributed Routes*distanceDefine an Administrative Distance*distribute-listFilter Networks in Routing U

5、pdates*flash-update-thresholdSpecify Flash Update Threshold in Second*maximum-pathsForward Packets Over Multiple Paths *neighborSpecify a Neighbor Router*networkEnable Routing on an IP Network*offset-listAdd or Subtract Offset From IGRP or RIP Metrics*passive-interfaceSuppress Routing Updates on an

6、Interface*redistributeRedistribute Information from Another Routing Protocol*timersAdjust Routing Timers*traffic-shareAlgorithm for Computing Traffic Share for Alternate Routes*validate-update-sourcePerform Sanity Checks Against Source Address ofRouting Updates*versionSet Routing Protocol Version Rt

7、r(config-if)#ip rip ? *AuthenticationAuthentication Control *receiveAdvertisement Reception *sendAdvertisement TransmissionEIGRP Command*auto-summaryEnable Automatic Network Number Summarization*default-informationControl Distribution of Default Information*default-metricSet Metric of Redistributed

8、Routes*distanceDefine an Administrative Distance*distribute-listFilter Networks in Routing Updates*eigrpEIGRP Specific Commands*maximum-pathsForward Packets Over Multiple Paths metricModify IGRP Routing Metrics and Parameters*neighborSpecify a Neighbor Router*networkEnable Routing on an IP Network*o

9、ffset-listAdd or Subtract Offset from IGRP or RIP Metrics*passive-interfaceSuppress Routing Updates on an Interface*redistributeRedistribute Information From Another Routing Protocol*timersAdjust Routing Timers*traffic-shareAlgorithm for Computing Traffic Share for Alternate Routes*varianceControl L

10、oad Balancing VarianceRtr(config-if)#ip hello-interval eigrp 1 ? Seconds between hello transmissionsRtr(config-if)#ip hold-time eigrp 1 ? Seconds before neighbor is considered downRtr(config-if)#ip split-horizon eigrp ? Autonomous system numberRIP/IGRP/EIGRP Split HorizonSerial Interfaces.Frame Rela

11、y not enabled Split Horizon is enabled.Frame Relay enabled, no sub interface - Split Horizon is disabled.Frame Relay enabled, sub-interfaces - Split Horizon is enabledUseful Command in OSPFShow ip ospf neiSh ip protocolsSh ip ospf interfaceSh ip ospf databaseDebug ospf adjRtr(config)#router ospf 1Rt

12、r(config-router)#?Router Configuration Commands:*areaOSPF Area Parameters*auto-costCalculate OSPF Interface Cost According to Bandwidth*default-informationControl Distribution of Default Information*default-metricSet Metric of Redistributed Routes*distanceDefine an Administrative Distance*distribute

13、-listFilter Networks in Routing Updates*neighborSpecify a Neighbor Router*networkEnable Routing on an IP Network*passive-interfaceSuppress Routing Updates on an Interface*redistributeRedistribute Information from Another Routing Protocol*router-idRouter-id for this OSPF Process*summary-addressConfig

14、ure IP Address Summaries*timersAdjust Routing Timers Rtr(config-router)#area ? OSPF Area ID as a Decimal Value A.B.C.DOSPF Area ID in IP Address FormatRtr(config-router)#area 1 ?*AuthenticationEnable Authentication*default-costSet the Summary Default-cost of a NSSA/stub Area*nssaSpecify a NSSA Area*

15、rangeSummarize Routes Matching Address/mask (Border Routers Only)*stubSpecify a Stub Area*virtual-linkDefine a Virtual Link and its ParametersRtr(config-router)#default-information originate ? AlwaysAlways Advertise Default Route metricOSPF Default Metric metric-typeOSPF Metric Type for Default Rout

16、es route-mapRoute-map Reference Rtr(config-if)#ip ospf ? *authentication-keyAuthentication Password (Key) *costInterface Cost *database-filterFilter OSPF LSA During Synchronization and Flooding *dead-intervalInterval After Which a Neighbor is Declared Dead *demand-circuitOSPF Demand Circuit *hello-i

17、ntervalTime Between HELLO Packets *message-digest-keyMessage Digest Authentication Password (Key) *networkNetwork Type *priorityRouter Priority *retransmit-intervalTime Between Retransmitting Lost Link State Advertisements *transmit-delayLink State Transmit Delay3550 Spanning Tree*forward-time Set t

18、he forward delay for the spanning tree* hello-time Set the hello interval for the spanning tree* max-age Set the max age interval for the spanning tree* priority Set the bridge priority for the spanning tree*root Configure switch as root*backbonefast Enable BackboneFast Feature*etherchannel Spanning

19、 tree etherchannel specific configuration*extend Spanning Tree 802.1t extensions*pathcost Spanning tree pathcost options*portfast Spanning tree portfast options*uplinkfast Enable UplinkFast FeatureATM PVC Configuration Exampleinterface atm2/0 encapsulation aal5snap ip address 192.192.192.1 255.255.2

20、55.0 pvc 0/106 protocols ip 192.192.192.2 broadcastinterface atm2/0 encapsulation aal5snap ip address 192.192.192.2 255.255.255.0 pvc 0/106 protocols ip 192.192.192.1 broadcastEnd-Station Configuration Exampleinterface ATM3/0 no ip address pvc 0/5 qsaal pvc 0/16 ilmi!interface ATM3/0.1 multipoint ip

21、 address 1.1.1.1 255.255.255.0 atm esi-address 777777777777.00atm arp-server nsap selfor atm arp-server nsap 47.009181000000001007386901.555555555555.00ATM Feature Examplehostname RtrA!interface ATM3/0.1 point-to-point ip address 1.1.1.1 255.255.255.0 pvc 0/108 class-vc vclass protocol ip 1.1.1.2 en

22、capsulation aal5snap ! vc-class atm vclass abr 1000 0VOIPdial-type dtmf | pulsetone or pulse dialingcptone countryset regional tone, ring and cadencering frequency 25 | 50(FXS only) ring frequency in hertz; Should match end devicering number number(FXO only) maximum number of rings to be detected be

23、fore answering a call over an FXO voice portconnection plar numberprivate line auto ring down, auto-dials remote numbermusic-threshold decibels (-70 to -30)specify the threshold for on-hold musicdescription stringto include a description of what this voice port is connected tocomfort-noisegenerates

24、background noise(optional, w/ VAD)num-exp extension extension-stringdefine how to expand an extension number into a particular destination patternip precedence 0|1|2|3|4|5|6|7gives voice traffic precedence over other IP trafficDial Peer Configuration Exampledial-peer voice 1 potsdestination-pattern

25、1001port 1/0/0dial-peer voice 2 voipdestination-pattern 1002session target ipv4:10.18.0.1DLSw+ Ethernet Configuration ExampleRouter A#dlsw local-peer peer-id 10.1.1.2dlsw remote-peer 0 tcp 10.2.2.1dlsw bridge-group 1!interface Ethernet 0bridge-group 1!bridge 1 protocol ieeeQoS Quality of ServicePoli

26、cy Based RoutingCommitted Access RateWeighted Fair QueuingClass Based Weithted Fair QueuingPriority QueuingCustom QueuingFrame-relay Traffic ShapingWeighted Random Early DetectionIP FeaturesNetwork Address Translation (NAT)Hot Standby Routing Protocol (HSRP)Domain Name Service (DNS)Dynamic Host Control Protocol (DHCP)Network Time Protocol (NTP)HTTP